Question

true or false
Stem-changing verbs change in all forms except the nosotros and vosotros

Answer 1

True. In Spanish, stem-changing verbs typically undergo a vowel change in all forms except for the "nosotros" and "vosotros" forms. For example, in the verb "pensar" (to think), the stem changes from "e" to "ie" in the forms "yo pienso," "tú piensas," and "él/ella/usted piensa," but remains "pensamos" and "pensáis" in the nosotros and vosotros forms, respectively.