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S t em changing verbs

S t em changing verbs. Stem changing infinitives. Stem changing infinitives are named for what they do– change in the stem. There are 4 categories. U  UE there is only one verb JUGAR O UE Poder, almorzar, costar, dormir E IE Entender, pensar, querer E I Servir, Pedir, Repetir,.

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S t em changing verbs

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  1. Stem changing verbs

  2. Stem changing infinitives Stem changing infinitives are named for what they do– change in the stem.

  3. There are 4 categories • U  UE there is only one verb JUGAR • O UE Poder, almorzar, costar, dormir • E IE Entender, pensar, querer • E I Servir, Pedir, Repetir,

  4. 1. U UE Jugar = to play sports Now just add the regular –ar endings.

  5. Jugar = to play sports

  6. 2. O UE The second category is one of the largest. It is oue. Encontrar = to find is a stem changer. Other examples include: acostarse (to lie down), almorzar (to eat lunch), contar (to count), costar (to cost), devolver (to return something), dormir (to sleep), poder (can/to be able to), volver (to return to a place)

  7. Encontrar = to find First separate the stem from the infinitive ending. Encontr- is the stem. Make the stem change oue New stem encuentr- Put into box– remember it will look like a boot… they are called boot verbs as well.

  8. Encontrar = to find

  9. 3. E IE The third category is again large. It is eie. preferir = to prefer is a stem changer. It is the same steps as jugar.

  10. Other e ie verbs Cerrar (to close), Comenzar (to begin), Despertar (to wake up), Divertir (to entertain/ amuse), Empezar (to begin), Entender (to understand), Pensar (to think), Perder (to lose), Querer (to want), Recomendar (to recommend)

  11. Pensar = to think First separate the stem from the infinitive ending. pens- is the stem. Make the stem change eie New stem prefier- Put into box– remember it will look like a boot… they are called boot verbs as well.

  12. pensar = to think

  13. 4. E I The last category is a smaller one. It is ei. servir = to serve is a stem changer.

  14. servir = to serve First separate the stem from the infinitive ending. serv- is the stem. Make the stem change ei New stem sirv- Put into box– remember it will look like a boot… they are called boot verbs as well.

  15. servir = to serve

  16. ei There are some rules that can help you distinguish between e i and e ie. In order to be e i, the infinitive must end in –ir..

  17. What vowell do we change?1st, 2nd or third? • Take the example • Pedir Yopido • Preferir Yoprefiero • Recomendar Yorecomiendo

  18. The rules is… … the closest vowel to the ending!!!

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