Spanish I -ER and –IR Verb Conjugations

• Choose a verb that ends with -ER or -IR

• Drop the -ER or -IR ending

• Add a new ending to match the subject

3 steps to conjugate a verb

-ER/-IR Verb Chart

• To say I am doing an action, add the letter –o.

Yo (I) -o

-ER/-IR Verb Chart

• I eat› Step 1: comer› Step 2: com-› Step 3: como

• I share› Step 1: compartir› Step 2: compart-› Step 3: comparto

• To say we are doing an action, add the letters

–emos for an –er verb, or

–imos for an –ir verb.

Yo (I) -o

Nosotros (we)-emos -imos

-ER/-IR Verb Chart

• we eat› Step 1: comer› Step 2: com-› Step 3: comemos

• we share› Step 1: compartir› Step 2: compart-› Step 3: compartimos

• To say you (familiar) (tú) are doing an action, add the letters –es

Yo (I) -o

Nosotros (we)-emos -imos

You (familiar)

-es

-ER / -IR Verb Chart

• You (familiar) eat› Step 1: comer› Step 2: com-› Step 3: comes

• You (familiar) share› Step 1: compartir› Step 2: compart-› Step 3: compartes

• To say one person (he, she, you formal) is doing an action, add the letter –e

Yo (I) -o

Nosotros (we)-emos -imos

You (familiar)

-esÉl, Ella, Ud. (He, She, You formal)

-e

-ER/-IR Verb Chart

• Pablo eats› Step 1: comer› Step 2: com-› Step 3: Pablo come

• You (formal) share› Step 1: compartir› Step 2: compart-› Step 3: Ud. comparte

• To say more than one person (they, you all) is doing an action, add the letters –en

Yo (I) -o

Nosotros (we)-emos -imos

You (familiar)

-esÉl, Ella, Ud. (He, She, You formal)

-e

Ellos, Ellas, Uds(they, you all)

-en

-ER / -IR Verb Chart

They (M) eat› Step 1: comer› Step 2: com-› Step 3: ellos comen

You (all) share› Step 1: compartir› Step 2: compart-› Step 3: Uds. comparten

• To say the “vosotros” form (you informal plural) is doing an action, add the letters –éis for an –er verb, or ís for an –ir verb.

Yo (I) -o

Nosotros (we)-emos -

imosYou (familiar)

-es

Vosotros-éis

-ísÉl, Ella, Ud. (He, She, You formal)

-e

Ellos, Ellas, Uds(they, you all)

-en

-ER/-IR Verb Chart