Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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Answer Keys
Grammar in Focus: Student Book ①
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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Student Book ① Unit 1 ~ 20
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.6
Discover T
T
p.6 Notice & Practice 1
A The dog jumps.
A girl smiles.
The boy plays with a dog.
p.7 Notice & Practice 2
A 1. The train (Subject)
2. eat ice cream (Predicate)
3. The monkey (Subject)
4. The birds (Subject)
5. sleeps in the bed (Predicate)
6. like toys (Predicate)
B Subject Predicate
1. The girl plays music
2. Two dogs bark
3. Dad watches TV
4. A baby sleeps
5. The man goes home
6. John speaks English
7. They are in the bus
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.8 Expanded Practice
Subjects Predicates
1. the boys play soccer
2. a girl Kicks a ball
3. the kid Drinks milk
4. the cat Sleeps on the sofa
A
5. Sam and Kate Like music
B 1. plays the piano
2. is in the pool
3. runs on the grass
4. reads a book
5. love the baby
C 1. The dog barks.
2. The cat jumps.
3. The girl plays the piano.
4. The boy plays the guitar.
p.9 Revise, Write & Say
Revise My name is Jessica. I have a pet bird. It flies around a lot. Mom likes arts. She paints
pictures. Dad loves reading. He reads children’s book for me in the evening.
Write My name is Jack. I have a sister. My sister Lisa likes chess. My dad likes sports. He
teaches me football. My mom loves baking. (Answers may vary.)
Say My brother Sam loves sports. He plays basketball very well. (Answers may vary.)
p.9 Make Your Own Grammar Map
A sentence
subject
who
the subject
predicate (action part)
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.10
Discover T
T
p.10 Notice & Practice 1
A 1. The house
2. Dad
3. The wind
4. I
5. An old lady
6. A boy and a girl
p.11 Notice & Practice 2
A Subject Verb
1. Mom makes
2. The smart boy likes
3. You are
4. Tom and Jenny study
p.11 Notice & Practice 3
A 1. plants
2. blue jeans
3. books
4. the guitar
5. model airplanes
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.12 Expanded Practice
A 1. I Subject
2. likes verb
3. plants object
4. have verb
5. The cute girl subject
6. breakfast object
B 1. The boys play soccer.
2. The runner drinks cold water.
3. The girl has many apples.
4. We fly kites.
5. The tall man climbs a mountain.
p.13 Revise, Write & Say
Revise B: Do you know why? She plays basketball. She eats vegetables. And she walks to
school.
Write A: Paul has bad teeth.
B: Do you know why? He likes junk food. He eats a lot of chocolate.
A: I see.
B: Look at Kelly. Kelly is smart.
A: Do you know why? She reads many books. She knows a lot of things. That is why.
B: Wow. She is great.
(Answers may vary.)
Say I like reading. I read books about history and science. (Answers may vary.)
p.13 Make Your Own Grammar Map
Subject
Noun
A verb
object
verb / object
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p.14
Discover T
T
p.14 Notice & Practice 1
1. dog animal 4. teacher person
2. restaurant place 5. flower thing
A
3. party event 6. monkey animal
p.15 Notice & Practice 2
A 1. a
2. an
3. a
4. a
5. a
6. an
p.15 Notice & Practice 3
A 1. X
2. The
3. The
4. X
5. the
6. the
7. the
8. X
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.16 Expanded Practice
A 1. an / a
2. an / The
3. X / a
4. X / The
B 1. I need a pen.
2. Jim speaks Japanese.
3. Look at the pretty girl.
4. A man is cooking dinner.
5. There is a bird in the tree.
6. A girl is painting the Sun.
C 1. the movie
2. a library
3. The Earth
4. English
p.17 Revise, Write & Say
A park → The park
the tree, → a tree
a artist → an artist
A bench → The bench
An artist → The artist
Revise
the basketball → basketball
Write There is a bed, a desk, and umbrella, and a science book in Mike’s bedroom. The bed
is small and the desk is brown. The umbrella is wet. The science book is thick.
(Answers may vary.)
Say There is a bed, a desk, a chair, and a piano in my bedroom. (Answers may vary.)
p.17 Make Your Own Grammar Map
name
one
an
The
a: a / a
an: an / an
the: the / The
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.18
Discover T
T
p.18 Notice & Practice 1
A 1. cats
2. glasses
3. girls
4. babies
p.19 Notice & Practice 1
-s -es -ies
bikes foxes stories
pens dishes candies
maps benches ladies
books potatoes cherries
B
friends boxes countries
p.19 Notice & Practice 2
A
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p.20 Expanded Practice
A 1. benches
2. children
3. men
4. ladies
5. glasses
6. feet
B 1. dogs
2. peaches
3. children
4. mice
5. babies
6. buses
C 1. brothers / sisters
2. lions / deer
3. people / kites
4. books / classes
D 1. Tony has many potatoes.
2. Three men are rowing the boat.
3. A rabbit has four feet.
4. My English teacher knows fun stories.
p.21 Revise, Write & Say
pen → pens
bookes → books
strawberrys → strawberries
Revise
sandwichies → sandwiches
Write Tony has four books. He also has seven strawberries and two sandwiches in his
backpack. Jessica has two books. And, she has two compasses and three sandwiches in
her backpack. (Answers may vary.)
Say I have three books, two notebooks, and many pencils in my backpack. (Answers may
vary.)
p.21 Make Your Own Grammar Map
one / two
-es
-s: pens / girls
-es: glasses / dishes
-ies: candies / countries
men / feet / children / people
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pp.22~23
A 1. c
2. d
3. c
4. b
5. a
6. c
7. a
8. b
B 1. mice
2. benches
3. parties
4. teeth
C
1. c an
2. c X (no article)
3. c feet
D
4. c sheep
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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pp.22~23
E 1. My uncle reads books.
2. The boys climbs mountains
3. The man is our new teacher.
4. There are three sandwiches on the table.
F There is an (-> a) zoo in my town. Children and babys(-> babies) love the zoo. There
is a(->an) elephant, a giraffe, a tiger, five monkeys, and ten sheeps(-> sheep) in the
zoo. I like a monkeys (the monkeys). They are funny and cute.
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p.24
Discover T
p.24 Notice & Practice 1
A
p.25 Notice & Practice 2
A 1. a cute baby
2. an old dog
3. three brothers
4. a good friend
5. a small hat
6. a big b all
7. a yellow chair
8. a fast car
9. blue eyes
10. a kind girl
p.25 Notice & Practice 3
A 1. my cute sister
2. our new school
3. her two friends
4. your pretty dress
5. her favorite game
6. his old computer
7. their good neighbors
8. its brown eyes
9. my kind uncle
10. their big car
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p.26 Expanded Practice
A (Answers may vary.)
1. my red bag
2. your sweet apples
3. their big house
4. his two birds
5. their kind sisters
B 1. your favorite food / My favorite food
2. kind teacher / our good teacher
3. a new jacket / your old jacket
4. a red cap / a yellow cap
5. a funny movie / my English homework
C 1. The yellow house
2. My favorite books
3. your cute dolls
4. his small dogs
5. her pink dress
p.26 Revise, Write & Say
eyes blue → blue eyes
student an excellent → an excellent student
little a brother → a little brother
Revise
favorite them hobby → their favorite hobby
Write Tony is handsome and he has black hair. He is kind and he like his big brother. Lisa is
cute and she has blonde hair. She is active and she likes her two cats. (Answers may
vary.)
Say My best friend is Tina. She is pretty and she has curly short hair. She is polite and nice
to me. (Answers may vary.)
p.26 Make Your Own Grammar Map
noun
before
my / their
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.28
Discover T
T
p.28 Notice & Practice 1
A
1. She is beautiful.
2. It is black.
3. You help each other.
4. They are on the boat.
B 1. She
2. It
3. We
4. You
p.29 Notice & Practice 2
A 1. I know him.
2. Angela picked them.
3. Jenny loves it.
4. He looked for us.
p.29 Notice & Practice 3
A 1. mine
2. his
3. theirs
4. yours
5. hers
6. ours
B 1. mine
2. yours
3. hers
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.30 Expanded Practice
A 1. her
2. They
3. him
4. hers
5. you
6. them
7. ours
8. She
B 1. him / He
2. me / you
3. her / she
4. yours / theirs
5. me / mine / We / his
Pronouns Refer to
They friends
theirs boys
It turtle
him Mike
C
We Carrie and I
p.31 Revise, Write & Say
he → his
they → them
Him → He
Revise
Her → She
her → hers
their → them
Write Tom’s family has many things. Tom’s mom and dada have a car. It is theirs. Eddie has
a computer and many books. They are his. Tom has a piano. It is his. Jenny has a red
ball. It is hers. (Answers may vary.)
Say A violin, a computer, and some books are mine. (Answers may vary.)
p.31 Make Your Own Grammar Map
subjective: they
objective; you
Possessive: mine / ours
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p.32
Discover Their form changes according to the subject. (Answers may vary.)
p.32 Notice & Practice 1
A 1. It is / It’s
2. You are / You’re
3. She is / She’s
4. I am / I’m
5. They are / They’re
6. He is / He’s
p.33 Notice & Practice 2
Negative Short Forms
1. I am not an actor. I’m not an actor.
2. You are not busy. You aren’t busy.
3. He is not kind. He isn’t kind.
4. Mary is not a smart lawyer. Mary isn’t a smart lawyer.
A
5. The students are not in the lab. The students aren’t in the lab.
p.33 Notice & Practice 3
1. Are you sick? I am
2. Is he a pilot? he is
3. Am I late? I’m not
4. Is the movie famous? it isn’t
5. Is Tina in the office? she isn’t
A
6. Is New York a big city? it is
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.34 Expanded Practice
A 1. is
2. am not
3. Is
4. aren’t
5. Are
6. are
7. Am
8. is
B 1. is
2. Are / aren’t
3. is
4. Am / are
5. are
6. Is / isn’t
C 1. Are / am not
2. are / are not
3. Is / isn’t /are
4. is / Is / isn’t / is
5. is / Am / are / is
p.35 Revise, Write & Say
are → is
am → is
isn’t → am not
Revise
are → am
aren’t → isn’t
are → is
is → are
Write Brian’s mom and dad are pharmacists. They are active. They aren’t shy. Brian’s
grandma is a gardener. She is generous and she isn’t lazy. Brian is a student. He is
always happy, but he isn’t diligent. (Answers may vary.)
Say My father is a teacher. He is smart and humorous. (Answers may vary.)
p.35 Make Your Own Grammar Map
is
are
it is not = it isn’t
Are
I’m not / am
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p.36
Discover Their form changes according to the subject. (Answers may vary.)
p.36 Notice & Practice 1
A
p.37 Notice & Practice 2
A 1. eats
2. reads
3. goes
4. has
5. flies
6. plays
7. washes
8. studies
9. has
10. does
p.37 Notice & Practice 3
A 1. don’t
2. doesn’t
3. don’t
4. doesn’t
5. don’t
6. doesn’t
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.38 Expanded Practice
A 1. watches
2. studies
3. drinks
4. doesn’t buy
5. don’t play
6. doesn’t open
B 1. takes / take
2. has / have
3. goes / helps
4. study / studies / doesn’t go
5. don’t eat / drink / eats
C 1. like math
2. doesn’t like dogs
3. kisses me every day
4. doesn’t rain in the winter
5. always tries hard
6. doesn’t eat candies at night
p.39 Revise, Write & Say
study → studies
read → read
don’t → doesn’t
Revise
have → has
plaies → plays
don’t goes → doesn’t go
Write Ellen swims on Mondays. She rides her bike on Tuesdays. She watches movies on
Wednesdays and she plays games on Fridays. Then, she does her homework on
Sundays. (Answers may vary.)
Say Every week, I study and play according to my weekly schedule. I study English on
Mondays and Wednesdays. And, I play computer games with my father on Sundays.
(Answers may vary.)
p.39 Make Your Own Grammar Map
-s: reads / eats
-es: goes / washes
-ies: cries / flies
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pp.40~41
A 1. c
2. d
3. c
4. d
5. b
6. c
7. c
8. d
B 1. writes
2. goes
3. cries
4. has
C
1. Are they astronauts?
2. Is Cathy late for school?
3. The children don’t like fruit juice.
It doesn’t rain a lot in this town.
1. b her
2. a My
3. a Is
D
4. c watch
5. b ours
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pp.40~41
E 1. John drives a big car.
2. I am very proud of you.
3. Lucia is in a dark room.
4. Ms. Kim does not have a daughter.
5. Jack washes his hands.
F Megan love (-> loves) Halloween. Every year, she buyies (-> buys) some costumes.
Sometimes she weares (-> wears) a witch or a ghost. But this year, she are (->is)
Dracula! Is (->Are) Megan and hers (->her) friends ready for the party? Yes, they are!
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p.42
Discover T
p.42 Notice & Practice 1
A
p.43 Notice & Practice 1
1. Do they have concert tickets? they do
2. Does he like cupcakes? he does
3. Do you speak English well? I do
4. Does it look good? it doesn’t
5. Does Bob have two sisters? he doesn’t
B
6. Do I play soccer on Mondays? I don’t
p.43 Notice & Practice 2
A
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p.44 Expanded Practice
A 1. Do / like
2. do
3. Does / cook / does
4. Do / they / don’t
5. Does she know / does
6. What does it mean / means
7. What does
8. What do you
B
1. Does she like chocolate?
2. Does Tim have a sister?
3. Do they study science?
4. What do the children want?
5. What does he do?
p.45 Revise, Write & Say
speaks → speak
Do what → What do
have they → they have
Revise
lives → live
Write Topic: American Culture
- Do Americans speak English?
- Do they have a king or queen?
- Do they celebrate Independence Day?
- What do they do on Thanksgiving Day?
- What do they do on Christmas Day? (Answers may vary.)
Say Korean people celebrate Lunar New Year’s Day. The entire family gathers together and
has a big meal. (Answers may vary.)
p.45 Make Your Own Grammar Map
does
Do / do / don’t
Does / want / does / doesn’t
subject
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p.46
Discover T
p.46 Notice & Practice 1
A 1. am drinking / Around Now
2. is eating / Right Now
3. are practicing / Around Now
4. are going / In the Near Future
p.47 Notice & Practice 2
A 1. am eating
2. is coming
3. are sitting
4. are playing
5. is cutting
6. are smiling
7. are doing
8. is making
9. is walking
10. are enjoying
p.47 Notice & Practice 3
A 1. I am not singing.
2. He is not cleaning.
3. We are not studying.
4. You are not running.
5. They are not having fun.
6. It is not snowing.
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p.48 Expanded Practice
A 1. are having
2. is making
3. am going
4. is swimming
5. is flying
6. are reading
B 1. are learning math
2. is drawing stars
3. is writing numbers on the poster
4. is looking at Mia’s answer
5. is making noise
p.49 Revise, Write & Say
have → having
fish → fishing
rideing → riding
Revise
makes → is making
Write Andy is talking pictures of Christmas trees and her daughter. Mary is shopping with her
mom. Nancy is swimming in the pool. (Answers may vary.)
Say My teacher is teaching English grammar. (Answers may vary.)
p.49 Make Your Own Grammar Map
right now
is / playing
sit – sitting
hide – hiding
make – making
eat – eating
cry - crying
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p.50
Discover T
T
p.51 Notice & Practice 1
A 1. Is he cleaning the room? / he is
2. Are they working hard? / they are
3. Are you coming home? / I’m not
4. Is it snowing now? / it isn’t
5. Is she writing an email? / she is
p.51 Notice & Practice 2
1. What is your mom making?
2. What are you reading? I am reading
3. What is she painting now? is painting
A
4. What are they singing now? are singing
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p.52 Expanded Practice
A 1. Is / isn’t
2. What is / is painting
3. Are / aren’t
4. What are / am looking
5. Am / are doing
6. What is / is eating
B Is Jenny eating cookies?
what is she eating?
She is eating tacos.
Is he eating a blue T-shirt?
Yes, he is.
John and Nick are sliding on the floor.
p.53 Revise, Write & Say
do → doing
is → are
plan → planning
Revise
coming you → you coming
come → coming
is → isn’t
going → is going
Write Alex: Hi, Mom. This is Alex. What are you doing, Mom?
Mom: I’m reading a magazine.
Alex: What is Jack doing?
Mom: He is eating some snack.
Alex: What is Grandma doing?
Mom: She is watching TV now. (Answers may vary.)
Say My mom is working now. (Answers may vary.)
p.53 Make Your Own Grammar Map
be
before
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p.54
Discover T
T
p.54 Notice & Practice 1
A
p.55 Notice & Practice 2
A 1. happily
2. quickly
3. well
4. early
5. easily
6. sleepily
7. beautifully
8. seriously
9. late
p.55 Notice & Practice 3
A
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p.56 Expanded Practice
A 1. well
2. really / calmly
3. amazingly / happily
4. quickly / hard
B 1. loudly
2. heavily
3. easily
4. seriously
5. sleepily
C 1. happily
2. quickly
3. hard
4. well
5. really
6. sleepily
p.57 Revise, Write & Say
real → really
serious → seriously
hardly → hard
Revise
easily → easily
proud very → very proud
Write Amy is really shy. She speaks English slowly, but she does her job quickly. She thinks
about her future seriously. William is very active. He speaks English quite fast, and he
does his job easily. He thinks about his future too much. (Answers may vary.)
Say My best friend Andy always smiles and it make me feel good. (Answers may vary.)
p.57 Make Your Own Grammar Map
verb
adverb
an adjective
strong – strongly / bad – badly
easy – easily / happy – happily
same
early – early / late - late
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pp.58~59
A 1. a
2. b
3. b
4. d
5. a
6. d
7. d
8. b
B 1. is making
2. am sitting
3. are / eating
4. Is / raining
C
1. Does she cook well?
2. Do they know your mother?
3. The dog doesn’t enjoy the snacks.
4. You aren’t smiling at me.
1. a does
2. a are
3. c swimming
D
4. c sleepily
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pp.58~59
E 1. Do you have a brother or a sister?
2. I am reading many books these days.
3. What is the dog biting?
4. They are studying English hard.
F Billy is learn (->learning) Chinese these days. He watches Chinese movies so often.
He studies very hardly (->hard). He are (->is) taking a Japanese class, too. He learns
everything so fastly (-> fast) and he is real (-> really) smart.
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p.60
Discover T
T
p.61 Notice & Practice 1
A 1. under
2. in
3. on
4. behind
5. next to
B 1. next to
2. across from
3. in front of
4. between
p.61 Notice & Practice 2
A 1. are
2. is
3. is
4. are
5. are
6. is
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p.62 Expanded Practice
A 1. is / across from
2. are / in
3. is / behind
4. is / in front of
B 1. There are many colored pencils in the pencil case.
2. Okay. There is a bench under the trees.
3. Great. There are many ancient treasures in Egypt.
4. There are books about sea animals between Section 5 and 6.
p.63 Revise, Write & Say
between → across from
across from → next to
Revise
There is → There are
Write There is a park next to the subway station. There are many trees in the park. There is a
library and a hospital across from the park. The hospital is next to the library. There is
a big red sign on the building. You can’t miss it. (Answers may vary.)
Say There are some restaurants, a subway station, and a hospital near my house.
(Answers may vary.)
p.63 Make Your Own Grammar Map
in / on / under / behind / between / next to / across from / in front of
singular noun
plural noun
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p.64
Discover T
T
p.64 Notice & Practice 1
A 1. at
2. in
3. at
4. at
5. on
6. in
p.65 Notice & Practice 2
A
B 1. When do you use this blanket?
2. What time does your class star?
3. When does the store open?
4. What time do you get up?
5. When does the Sun rise?
6. What time do you eat lunch?
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p.66 Expanded Practice
A 1. When / on
2. What / at
3. When / in
4. What / at
B
1. do → does on → at
2. visits → visit in → at
3. do → does on → in
C
4. goes → go in → on
p.67 Revise, Write & Say
on → in
at → on
on → at
in → On
Revise
in → at
Write The Picasso exhibition takes place in 2013. The opening ceremony is on Wednesday,
January 23. It starts at ten. The exhibition begins on January 24. (Answers may vary.)
Say My birthday is on August 15. (Answers may vary.)
p.67 Make Your Own Grammar Map
time at
do at
When on
What in
at
at
in in
in in
on
on
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p.68
Discover T
T
p.68 Notice & Practice 1
A 1. was
2. were
3. was
4. were
5. was
6. were
7. were
8. was
p.69 Notice & Practice 2
A 1. I was not in Paris. / I wasn’t in Paris.
2. You were no dangerous. / You weren’t dangerous.
3. She was not at the park. / She wasn’t at the park.
4. The book was interesting. / The book wasn’t interesting.
5. They were not busy last week. / They weren’t busy last week.
p.69 Notice & Practice 3
A 1. Was it sunny yesterday? Yes, it was.
2. Was I nervous in front of the crowd? No, you weren’t.
3. Were they alarmed last night? Yes, they were.
4. Was the concert great? No, it wasn’t.
5. Were you afraid of dogs? Yes, I was. (Yes, we were.)
6. Were we surprised at the news? No, you weren’t.
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p.70 Expanded Practice
A 1. was at the movies
2. were at the amusement park
3. was at the beach
4. were at the baseball stadium
5. was at the library
B 1. Were / wasn’t / was / was
2. Was / was / were
3. Were / weren’t / were
4. Was / wasn’t / was
C 1. was / wasn’t
2. Was / was
3. Was / wasn’t
p.71 Revise, Write & Say
am → was
was → were
weren’t → wasn’t
are → was
Revise
is → was
Write Yesterday, Vanessa was at the library. Her friends Kelly and Ben were at the library, too.
Vanessa and Kelly were very excited about books. However, Ben wasn’t interested in
books. He was sleepy. (Answers may vary.)
Say Last weekend, I was at the movie theater. I watched a movie and it was fun. (Answers
may vary.)
p.71 Make Your Own Grammar Map
- past
- were
was
were
- weren’t
- subject
Were you
wan’t
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.72
Discover T
p.72 Notice & Practice 1
A 1. I watched TV.
2. We studied English.
3. The frog cried.
4. He liked novels.
5. Ann played tennis.
6. You walked fast.
p.73 Notice & Practice 2
A 1. came
2. made
3. went
4. run
5. bought
6. read
7. met
8. had
9. did
10. ate
11. said
12. wrote
13. saw
14. put
p.73 Notice & Practice 3
A 1. I didn’t watch TV last Sunday.
2. You didn’t visit my house last year.
3. She didn’t put the card on the table.
4. They didn’t make the kites yesterday.
5. We didn’t go out for dinner last night.
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.74 Expanded Practice
A 1. didn’t / sleep
2. ran
3. bought / didn’t like
4. wrote / didn’t send
B 1. ate / didn’t eat
2. studied / did
3. bough / didn’t know
4. cried / read
C 1. I took a picture of cats last weekend.
2. He didn’t read your e-mail.
3. Kate found her necklace in the drawer.
4. Jenny did not tie her hair back yesterday.
p.75 Revise, Write & Say
goed → went
play → played
don’t → didn’t
write → wrote
sleeped → slept
Revise
has → had
Write Yesterday, Joe played soccer but kate and Jessica didn’t play soccer. Joe did his
homework, too. Kate read books, but she didn’t do her homework, yesterday. Jessica
read books and went to the park. (Answers may vary.)
Say Yesterday, I played with my brother and I didn’t do English homework. (Answers may
vary.)
p.75 Make Your Own Grammar Map
- -ed
- ed: loved / talked
-ied: studied / tried
- had / ran / wrote / ate
- did not
didn’t / didn’t
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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pp.76~77
A 1. d
2. b
3. d
4. a
5. d
6. a
7. b
8. a
B 1. was
2. were
3. slept
4. met
C
1. Was it cold yesterday?
2. You weren’t afraid of cats.
3. I didn’t read the book last month.
4. Kelly didn’t write an e-mail this morning.
1. b are
2. a When
3. b was
D
4. a bought
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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pp.76~77
E 1. There is an old man under the tree.
2. People go on a vacation in summer.
3. Dave found his socks in the drawer.
4. They were late for the meeting yesterday.
F This morning, I checked my e-mail. I find(-> found) an e-mail from Julia. She send(-
>sent) me an e-mail last night on(->at) ten o’clock. She were(->was) my best friend in
kindergarten. She is in my town now! I writed(->wrote) her an e-mail right away. I
can’t wait for her reply!
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p.78
Discover T
T
p.79 Notice & Practice 1
A 1. be / Future predictions
2. not be / Promises
3. will buy / Making decisions
4. will / Future predictions
B 1. Mom will study cooking
2. They will be proud of you
3. I will go to college
p.79 Notice & Practice 2
A 1. Will they become famous? Yes, they will.
2. Will you meet me at the mall? Yes, I will.
3. Will he call her later? No, he won’t.
4. Will Mandy and Betty come? No, they won’t.
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p.80 Expanded Practice
A 1. will be proud
2. will become a best-seller
3. will love this movie
4. will not take ice in my soda
5. Will we wait for / leave right away
6. will give you some medicine
B 1. We will go there tomorrow.
2. I will get an umbrella.
I will get a raincoat.
3. You will come with me.
4. Rachel will be here soon.
She will be here in a minute.
p.81 Revise, Write & Say
am → be
working → work
be will → will be
are → be
Revise
not will → will not
Write Cameron will be a scientist. She will study hard and discover new things. She will be
like Albert Einstein. William will be an artist. He will draw beautiful paintings. He will be
like Vincent van Gogh. (Answers may vary.)
Say I will be a fashion designer. I will make beautiful dresses and shoes. (Answers may
vary.)
p.81 Make Your Own Grammar Map
future
future prediction
after
Will you
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.82
Discover T
T
p.83 Notice & Practice 1
A
1. Is James at home now?
2. Were they good students?
3. Am I late for dinner?
4. Was the math exam difficult?
B
C 1. am / Are / am not
2. Were / were / were
3. Was / it wasn’t / were
4. Are / was / am
were was are isn’t
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p.84 Expanded Practice
A 1. Are you hungry
I am full.
2. Was Ken the winner of the ping-pong game
He was so great.
3. Is it sunny outside
It was cloudy
4. Were Ellen and Mike angry with me
They were just tired
B 1. Is / at the tennis court / he isn’t
2. Were / at work / they were
3. Are /tired / they are
4. Was / at home / she wasn’t
5. Is in the library / he is
6. Was / nervous /she wasn’t
7. Are / at the aquarium / they aren’t
8. Is / at the grocery store / she is
C (Answers may vary.)
p.85 Revise, Write & Say
Were → Was
were → was
Was → Were
was → wasn’t
were → was (is)
Were → Are
are → am
Revise
was → am
Write Matt: Were you a good student two years ago?
Amy: No, I weren’t. I was lazy and quiet.
But now I am different.
Matt: What is your secret?
Amy: I read a lot of good books.
Matt: Are you a good student now?
Amy: Yes, I am. I am interested in learning.
(Answers may vary.)
Say (Answers may vary.)
p.85 Make Your Own Grammar Map
are aren’t Were am wasn’t Is
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.86
Discover T
p.87 Notice & Practice 1
A 1. write
2. watch
3. go
4. take
5. try
6. buy
B 1. Does / read
2. Do / use
3. Does / visit
4. Do play
5. Did / write
6. Did / send
7. Do / go
8. Did / buy
C 1. Did he finish / did
2. Does it rain / does
3. Do you clean / do
4. Did she try / didn’t
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.88 Expanded Practice
A 1. Do you have a fever?
2. Did Hank finish his research paper?
3. Does Alex listen to music
4. Did Ben and Mary fix the computer yesterday?
B 1. Does / drive a car / she does
2. Did / go to your birthday party / they didn’t
3. Do / like climbing / they do
4. Did / do his best on the exam / he didn’t
5. Does / study art / he doesn’t
6. Did / interview a famous actor / she didn’t
7. Do / speak Chinese / they don’t
8. Did / call Gwen / he did
C (Answers may vary.)
p.89 Revise, Write & Say
Revise Joe: Did you see my father’s old picture?
Katie: No, I didn’t. Do you have it now?
Joe: Yes, I do.
Katie: Wow. Does he have many brothers and sisters?
Joe: Yes, he does. He has three brothers and two sisters.
Katie: Did people have many children in the 1970s?
Joe: Yes, they did.
Write Mom: Brad, did you see my old picture?
Brad: No, I didn’t. Do you have them now?
Mom: Yes, I do.
Brad: Wow. Did you played arcade games?
Mom: Yes, I did. Everybody did in the 1970s. We didn’t have computer games.
(Answers may vary.)
Say Mom and Dad played outside when they were young. (Answers may vary.)
p.89 Make Your Own Grammar Map
do don’t
Does doesn’t didn’t
Build & Grow - Answer Keys - Grammar in Focus: Student Book 1
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p.90
Discover T
p.90 Notice & Practice 1
A
B 1. Where are you now?
2. What was his gift?
3. Where were his books?
4. What is your name?
p.91 Notice & Practice 2
A 1. What does he like for dessert?
2. Where did you eat lunch?
3. Where do you want to go?
4. What do pandas eat?
5. What did they make at the beach?
6. Where did she go?
Where What
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p.92 Expanded Practice
A 1. Where
2. did
3. are
4. does Ben want
B 1. Where do they go to school now?
2. What is the Amazon?
3. Where did you put my mobile phone?
4. What was that?
5. What does your sister do in her free time?
C (Answers may vary.)
p.93 Revise, Write & Say
was → is
are → is
does → do
Revise
goes → go
is → are
were → is
Write Joan: Hi. I’m Joan. What is your name?
Tim: My name Tim.
Joan: Where do you go to school?
Tim: I go to Fine Elementary School.
(Answers may vary.)
Say (Answers may vary.)
p.93 Make Your Own Grammar Map
information
subject
Where are my socks?
What did you wan for your birthday?
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pp.94~95
A 1. a
2. b
3. a
4. b
5. c
6. d
7. b
B 1. will be
2. will win
3. will do
4. will have
C
1. Will it rain tomorrow?
2. You won’t be the next school president.
3. Is Paul in the kitchen now?
4. Did Billy buy cookies for her today?
1. b be
2. b call
3. a Did
D
4. a What
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52
pp.94~95
E 1. We will go to the mall tomorrow.
2. Was Katie excited about her birthday party?
3. Does he watch TV every night?
4. What did you do last Wednesday?
F Where(->What) is your favorite subject? I love art. I will am(->be) a great artist
someday. Does(->Do) you know Picasso? I want to be like him. So I will did(->do) my
best. My family and friends will are(->be) proud of me!