Stem-changing verbs (1) Escribe las formas de los verbos apropiadas.
e > ie
Empezar
(to begin)
Acertar
(to guess)
Pensar
(to think)
Recomendar
(to recommend)
Encender
(to switch on)
Extender
(to extend)
1. she thinks
6. I switch on
2. We extend
3. they recommend
4. he begins
5. we recommend
7. you (sing.) begin
8. you (pl.) guess
9. I think
10. he switches on