Stem-changing verbs

What is the stem of a verb?

• The ending of the verb (-ar, -er, -ir)

• The part that is left after taking off the -ar, -er, or -ir ending

• The vowels in a verb

• The consonants in a verb

Which two subjects NEVER stem change?

• él/ella/ud.

• nosotros

• vosotros

• tú

What are the main three stem-changing verbs that you have learned?

• u-ue, e-ou, e-ie

• o-ue, e-i, e-ie

• a-e-i-o-u

• ue-o, imos, áis

to think

• perder

• pensar

• cerrar

• preferir

to want

• querer

• pensar

• empezar

• preferir

to lose

• perder

• entender

• cerrar

• preferir

cerrar

• to open
• to leave
• to close

preferir

• to prefer
• to present
• to pref

Entender

• o:ue
• e:ie
• e:i
• u:ue

Dormir

• o:ue
• e:ie
• e:i
• u:ue