Verbs with irregular 'yo' forms

In Spanish, several verbs have irregular yo forms in the present tense.

You have already seen three verbs with the -go ending in the yo form:

decir → digo, tener → tengo, and venir → vengo.

Verbs with irregular yo forms

hacer (to do; to make)

poner (to put; to place)

salir (to leave; to go out)

suponer (to suppose)

traer (to bring)

Yo (I) → hago

Yo (I) → pongo

Yo (I) → salgo

Yo (I) → supongo

Yo (I) → traigo

Tú (You) haces

Tú (You) pones

Tú (You) sales

Tú (You) supones

Tú (You) traes

Usted/Él/Ella (He/She) hace

Usted/Él/Ella (He/She) pone

Usted/Él/Ella (He/She) sale

Usted/Él/Ella (He/She) supone

Usted/Él/Ella (He/She) trae

Nosotros/as (We) hacemos

Nosotros/as (We) ponemos

Nosotros/as (We) salimos

Nosotros/as (We) suponemos

Nosotros/as (We) traemos

Vosotros/as hacéis

Vosotros/as ponéis

Vosotros/as salís

Vosotros/as suponéis

Vosotros/as traéis

Ustedes/Ellos/Ellas (They) hacen

Ustedes/Ellos/Ellas (They) ponen

Ustedes/Ellos/Ellas (They) salen

Ustedes/Ellos/Ellas (They) suponen

Ustedes/Ellos/Ellas (They) traen

The Verbs Ver and Oír

The verb ver (to see) has an irregular yo form. The other forms of ver are regular.

Singular Forms

Yo (I)

veo

Tú (You)

ves

Usted/Él/Ella (He/She)

ve

Plural Forms

Nosotros/as (We)

vemos

Vosotros/as

veis

Ustedes/Ellos/Ellas (They)

ven

The verb oír (to hear) has an irregular yo form and the spelling change i:y in the tú, usted/él/ella, and ustedes/ellos/ellas forms. The nostros/as and vosotros/as forms have an accent mark.

Singular Forms

Yo (I)

oigo

Tú (You)

oyes

Usted/Él/Ella (He/She)

oye

Plural Forms

Nosotros/as (We)

oímos

Vosotros/as

oís

Ustedes/Ellos/Ellas (They)

oyen