1. Stem-Changing Verbs
The verbs on page 3 of your paquete are special. You still conjugate them for their endings: -ar,-ir,-ir BUT NOW you also have to change the spelling of the STEM in some of the forms!

2. STEM CHANGE
NO STEM CHANGE!

3. CERRAR = to close
CERRAMOS
CIERRAS X
CIERRA
CIERRAN
Yo CIERRO

4. We close the door. I close my book.

5. Empezar

6. He starts to study. __________________________________
They start to sleep. __________________________________
My friends and I start to do HW. _______________________________
You start the HW. ________________________________

7. Verbs like JUGAR: How does JUGAR stem-change? The U becomes UE
except in the
Nosotros form!
2. If I tell you that PENSAR changes from
E to IE
in every form but nosotros, do you think you
can figure out the chart for Pensar?
Try the yo form first:
Pensar = yo __________
PIENSO

8. Try these: I close the book. _________________________________
You close the notebook. _________________________________
We close the door (la puerta). _________________________________
I think. _________________________________
Do you think? _________________________________
We don’t think. _________________________________

9. EMPEZAR: To start, begin
Yo Empiezo
Nosotros Empezamos
Tú Empiezas x
Él, Ella, Ud Empieza
Ellos, Ellas, Ustedes
Empiezan

10. PENSAR= to think The E becomes an IE in every form but NOSOTROS.=
PIENSO
PENSAMOS
PIENSAS X
PIENSA
PIENSAN
Use with QUE for “that” = I think THAT…Yo pienso QUE….

11. I think that math is boring
We think that history is interesting. ________________________________________________________________

12. Jugar: to play (a sport, game)
Yo JUEGO
Nosotros JUGAMOS
Tú JUEGAS X
Él, Ella, Usted
JUEGA
Ellos, Ellas, Ustedes
JUEGAN

13. ENTENDER= to understand
ENTIENDO
ENTENDEMOS
ENTIENDES X
ENTIENDE
ENTIENDEN

14. 1. I understand the problem
2.Do you understand science? ______________________________________________________________
3.We understand Spanish. ______________________________________________________________

15. QUERER: to want/to love
QUIERO
QUEREMOS
QUIERES X
QUIERE
QUIEREN

16. 4. I want to live in a big house. __________________________________5
4.I want to live in a big house. __________________________________5.Do you want to eat lunch now?
__________________________________6.We don’t want to study. __________________________________

17. ?

18. ?

19. ?

20. ?

21. PENSAR= to think

22. PERDER= to lose
PIERDO
PERDEMOS
PIERDES X
PIERDE
PIERDEN

23. CONSEGUIR
CONSIGO
CONSEGUIMOS
CONSIGUES X
CONSIGUE
CONSIGUEN

24. PREFERIR=To prefer
When it looks like a verb has several parts that could stem change, just remember, you ONLY stem change the part RIGHT BEFORE THE ENDING. In this case, the E right before the IR ending will change.
PREFIERO
PREFERIMOS
PREFIERES X
PREFIERE
PREFIEREN

25. We prefer to eat in the park.
_________________________________________________________________
Do you prefer to run or to ride a bike? _________________________________________________________________ 
I don’t prefer the bananas. _________________________________________________________________

26. Pedir (e to i) x
PIDO
PEDIMOS
PIDES x
PIDE
PIDEN

27. REPETIR (e to i) x
REPITO
REPETIMOS
REPITES x
REPITE
REPITEN

28. SERVIR (e to i) x
SIRVO
SERVIMOS
SIRVES x
SIRVE
SIRVEN

29. The following verbs are regular, except for the YO form!
Hacer  hago Poner : pongo Salir  salgo Suponer  supongo Traer  traigo

30. Hacer (to make or do) x
HAGO
HACEMOS
HACES x
HACE
HACEN

31. PONER (TO PUT) x
PONGO
PONEMOS
PONES x
PONE
PONEN

32. TRAER (TO BRING) x
TRAIGO
TRAEMOS
TRAES x
TRAE
TRAEN

33. SALIR (TO LEAVE, GO OUT) x
SALGO
SALIMOS
SALES
SALE
SALEN

34. SUPONER (TO SUPPOSE) x
SUPONGO
SUPONEMOS
SUPONES x
SUPONE
SUPONEN

35. Warm-Up
Stem-changing verbs change the vowel that comes before the –AR, -ER, or –IR ending.
Merendar
Preferir
Try these!
I prefer _______________________
You’re having a snack? __________________________________

36. Try these!
1. I play football on Sundays. ________________________________ 2. We snack sometimes. 3. My dad and uncle prefer running (to run). 4. Do you want to close your book?