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 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. comenzamos comienzan comienzo comienzas comienza
Conjugate empezar, to begin. empiezo empiezas empieza empezamos empiezan
Conjugate querer, to want. quiero quieres quiere queremos quieren
Conjugate entender, to understand. entendemos entienden entiendo entiendes entiende
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