Stem-changing verbs deviate from the normal pattern of regular verbs. In stem-changing verbs, the stressed vowel of the stem changes when the verb is conjugated. Copyright © 2008 Vista Higher Learning. All rights reserved. 4.2-1 In many verbs, such as empezar (to begin), the stem vowel changes from e to ie. Note that the nosotros/as and vosotros/as forms don’t have a stem change. Copyright © 2008 Vista Higher Learning. All rights reserved. 4.2-2 In many other verbs, such as volver (to return), the stem vowel changes from o to ue. The nosotros/as and vosotros/as forms have no stem change. Copyright © 2008 Vista Higher Learning. All rights reserved. 4.2-3 To help you identify stem-changing verbs, they will appear as follows throughout the text: Copyright © 2008 Vista Higher Learning. All rights reserved. 4.2-4 Copyright © 2008 Vista Higher Learning. All rights reserved. 4.2-5 Jugar (to play a sport or game), is the only Spanish verb that has a u:ue stem change. Jugar is followed by a + [definite article] when the name of a sport or game is mentioned. Copyright © 2008 Vista Higher Learning. All rights reserved. 4.2-6 Comenzar and empezar require the preposition a when they are followed by an infinitive. Copyright © 2008 Vista Higher Learning. All rights reserved. 4.2-7 Pensar + [infinitive] means to plan or to intend to do something. Pensar en means to think about someone or something. Copyright © 2008 Vista Higher Learning. All rights reserved. 4.2-8 Provide the present tense forms of these verbs. The first item in each column has been done for you. cerrar (e:ie) 1. 2. 3. 4. 5. 6. 7. 8. cierran Ustedes ________. Tú ____. Nosotras ____. Mi hermano ____. Yo ____. Usted ____. Los chicos ____. Ella ____. Copyright © 2008 Vista Higher Learning. All rights reserved. dormir (o:ue) 1. 2. 3. 4. 5. 6. 7. 8. duerme Mi abuela no _________. Yo no ____. Tú no ____. Mis hijos no ____. Usted no ____. Nosotros no ____. Él no ____. Ustedes no ____. 4.2-9 Soles Diablos 1. P. 131 Ej. 1 - Write correct form of verb. 2. P. 131 Ej. 2 – Just write one sentence telling which activity you prefer. Ex. Prefiero estudiar. 3. P. 131 Ej. 3 Write one sentence telling what the subjects in the pictures are doing. P. 132 – Ej. 4 Write the chart and write sentences in each indicating the frequency that you do the activities listed in the word bank. Copyright © 2008 Vista Higher Learning. All rights reserved. P. 132 Ej. 5 Write a dialogue with your partner arguing over what you want to watch on TV according to the listings provided. At least 6 lines each person. 4.2-10