Notes

Outline

Present tense stem-changers

Stem-changing verbs are so named because of a vowel that changes in the stem in certain forms.

This change occurs when that vowel is stressed.  That happens in all but the nosotros and vosotros forms.

Stem-changing verbs take regular -ar, -er, or -ir endings.

pensar, to think, exemplifies e>ie stem-changers.                pienso                piensas                piensa pensamos (not stressed)  piensan

Conjugate some e>ie verbs.  Start with comenzar, to begin.    comienzo                comienzas                comienza comenzamos comienzan

Conjugate empezar, to begin.              empiezo              empiezas              empieza empezamos empiezan

Conjugate querer, to want.                quiero                quieres                quiere queremos quieren

Conjugate entender, to understand.                entiendo    entiendes    entiende entendemos entienden

tener,  to have, and  venir,  to come have irregular yo forms.

tener                tengo                tienes                tiene tenemos tienen

venir, to come, is conjugated like tener.                 vengo                 vienes                 viene venimos vienen

volar, to fly, is typical of the verbs that change o>ue.                 vuelo                 vuelas                 vuela volamos vuelan

Conjugate volver, to return.                 vuelvo                 vuelves                 vuelve volvemos vuelven

Conjugate dormir, to sleep.               duermo               duermes               duerme dormimos duermen

jugar, to play, changes u>ue. Conjugate it.                juego                juegas                juega jugamos juegan

Some -ir verbs, like pedir, to ask for, change e> i.                pido                pides                pide pedimos piden

Conjugate servir, to serve.                sirvo                sirves                sirve servimos sirven

Conjugate repetir, to repeat.                repito                repites                repite repetimos repiten

Conjugate seguir, to continue or to follow.                sigo                sigues                sigue seguimos siguen

decir, to say, has an irregular i, has an irregular yo form. digo dices dice decimos dicen

Happy conjugating!

FIN