1. Preterite tense morphing verbs VOCES 1

2. Morphing verbs  In the preterite tense, there are a group of irregular verbs that are referred to as morphing verbs.  Morphing verbs are verbs that completely change their stem. There are 3 groups of morphing verbs:  u- stems  i- stems  j- stems  Because morphing verbs are irregular, none of the conjugated forms have written accents.  All morphing verbs, no matter what kind of stem they have, use the same endings.

3. Irregular u-stem verbs  andar  estar  poder  poner  saber  tener aand u v- eest u v- pp u d- pp u s- ss u p- tt u v-

4. Irregular i-stem verbs  *hacer  querer  venir  h i c-  qu i s-  v i n- The third person singular form of HACER is HIZO. The «c» changes to «z» to preserve the original sound of the verb.

5. Irregular j-stem verbs  conducir  decir  traer  condu j -  di j -  tra j -

6. Apuntes importantes  * Most verbs that end in –cir have j-stems in the preterite. Other examples include traducer (to translate) and producer (to produce).  The third person plural ending of j-stem verbs drop the i. (dijeron, trajeron)

7. Endings for irregular stems ONLY! ee iiste oo iimos iisteis iieron

8. Ejemplos EEstuve enferma ayer.

9.  Trajeron pizza a la fiesta.