Stem-changing verbs (I) 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 ____________ 7. you (sing.) begin ____________ 3. they recommend ____________ 8. you (pl.) guess ____________ 4. he begins ____________ 9. I think ____________ 5. we recommend ____________ 10. he switches on ____________ o > ue Volver (to return) Contar (to count) Rogar (to ask) Aprobar (to approve) Renovar (to renew) Probar (to try) 11. he counts ____________ 16. she tries ____________ 12. they ask ____________ 17. you (pl.) ask ____________ 13. I approve ____________ 18. I count ____________ 19. we return ____________ 14. you (sing) return ____________ 15. we renew ____________ 20. you (sing) renew ____________ e > ie Mentir (to tell lies) Invertir (to invest) Preferir (to prefer) Sentir (to feel) 21. he tells lies ____________ 24. you (sing) feel ____________ 22. you (pl.) invest ____________ 25. I feel ____________ 23. we prefer ____________ 26. they tell lies ____________ ©MFL Sunderland 2007 CS http://www.sunderlandschools.org/mfl-sunderland Stem-changing verbs (II) Horizontal 1 vestir / they (e > i) 1 3 recomendar / you (sing.) (e > ie) 2 5 preferir / they (e > ie) 3 10 soltar / I (o > ue) 4 12 pedir / they (e > i) 13 absolver / you (pl.) (o > ue) 5 6 14 mover / you (pl.) (o > ue) 7 8 9 15 medir / I (e > i) 10 16 encontrar / we (o > ue) 20 llover / it (o > ue) 11 12 22 pensar / I (e > ie) 24 temblar / she (e > ie) 25 almorzar / they (o > ue) 13 14 16 Vertical 1 volver / we (o > ue) 15 17 18 19 2 elegir / you (sing.) (e > i) 4 cerrar / I (e > ie) 20 21 22 6 fregar / you (pl.) (e > ie) 7 manifestar / they (e > ie) 8 tropezar / we (e > ie) 23 24 9 empezar / we (e > ie) 11 invertir / I (e > ie) 25 13 aprobar / I (o > ue) 17 comenzar / you (sing.) (e > ie) 18 contar / you (sing.) (o > ue) 19 volar / you (sing.) (o > ue) 21 mentir / you (sing.) (e > ie) 23 soñar / they (o > ue) ©MFL Sunderland 2007 CS http://www.sunderlandschools.org/mfl-sunderland Stem-changing verbs (I) • This worksheet is designed to help students practise stem-changing verbs. They use the infinitives given to fill in the appropriate verb forms. Answers: 1. piensa 2. extendemos 3. recomiendan 4. empieza 5. recomendamos 11. 12. 13. 14. 15. cuenta ruegan apruebo vuelves renovamos 21. miente 22. invertís 23. preferimos 6. 7. 8. 9. 10. 16. 17. 18. 19. 20. enciendo empiezas acertáis pienso enciende prueba rogáis cuento volvemos renuevas 24. sientes 25. siento 26. mienten Stem-changing verbs (II) • The crossword will give students further practice of working out the forms of stem-changing verbs. V I S T O L R V E P M F O R S U E L G A I A B S O P R M O U E N C O O B M O I P I E N N Z A S E N E R T L V N S U E Ñ A N E L C O M I E N I G E F I E R E R S R M T O A R N O I I P N F E V E I S Z I E A E I S M R T O T R A M O S O N L L M I O T I E M B N T L M U E R Z S D A S N E M P I D E N Z A M O S C V U U U E V E N L T A L A S S A N ©MFL Sunderland 2007 CS http://www.sunderlandschools.org/mfl-sunderland