17 Orthographic Changes in Stem-Changing Verbs

Verbs ending in -gar with stem-vowel e or o change g to gu before e and also change the stem vowel from e to ie and o to ue in all forms of the present indicative and present subjunctive, except the nosotros and vosotros forms (see pages 69 and 80).

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All other forms are regular.

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Note one verb that ends in -gar and has the stem vowel u change to ue, in addition to the orthographic change of g to gu:

Jugar    to play

Present Indicative: juego, juegas, juega, jugamos, jugáis, juegan    I play, etc.

Preterit: jugué, jugaste, etc.    I played, etc.

Present Subjunctive: juegue, juegues, juegue, juguemos, juguéis, jueguen    that I play, will play, etc.

All other forms are regular. Jugar is the only verb of this type.

Verbs ending in -zar with the stem vowel e or o change z to c before e and stem vowels e to ie and o to ue in all forms of the present indicative and present subjunctive except the nosotros and vosotros forms (see pages 62 and 73).

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All other forms are regular.

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Verbs ending in -egir change g to j before o or a and stem-vowel e to i in accordance with rules for stemchanging verbs of Class III (see pages 77 and 85).

Colegir    to collect

Present Indicative: colijo, coliges, colige, colegimos, colegís, coligen    I collect, etc.

Preterit: colegí, colegiste, coligió, colegimos, colegisteis, coligieron    I collected, etc.

Present Participle: coligiendo    collecting

Present Subjunctive: colija, colijas, colija, colijamos, colijáis, colijan    that I collect/will collect, etc.

Imperfect Subjunctive: coligiera (coligiese), coligieras, coligiera, coligieramos, coligierais, coligieran    that I collected/would collect, etc.; if I collected, etc.

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Verbs ending in -eguir change gu to g before o or a and e to i in accordance with rules for stem-changing verbs of Class III.

Seguir    to follow

Present Indicative: sigo, sigues, sigue, seguimos, seguís, siguen    I follow, etc.

Preterit: seguí, seguiste, siguió, seguimos, seguisteis, siguieron    I followed, etc.

Present Participle: siguiendo    following

Present Subjunctive: siga, sigas, siga, sigamos, sigáis, sigan    that I follow/will follow, etc.

Imperfect Subjunctive: siguiera (siguiese), etc.    that I followed/would follow, etc.; if I followed, etc.

Stem has i throughout imperfect subjunctive.

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Verbs ending in -eír change e to i in accordance with rules of stem-changing verbs of Class III. In addition, when the stem is stressed, the i has a written accent. When the stem is not changed and is followed by a stressed i in the ending, the i requires a written accent, as does the infinitive.

Reír    to laugh

Present Indicative: río, ríes, ríe, reímos, reís, ríen    I laugh, etc.

Preterit: reí, reíste, rió, reímos, reísteis, rieron    I laughed, etc.

Present Participle: riendo    laughing

Past Participle: reído

Present Subjunctive: ría, rías, ría, riamos, riáis, rían    that I laugh/will laugh, etc.

Imperfect Subjunctive: riera (riese) etc.    that I laughed/would laugh, etc.; if I laughed, etc.

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Verbs ending in -uir insert y before all endings after an accented stem and change unaccented i to y before e or a in endings (see page 88).

Huir    to flee

Present Indicative: huyo, huyes, huye, huímos, huís, huyen    I flee, etc.

Preterit: huí, huiste, huyó, huimos, huisteis, huyeron    I fled, etc.

Present Participle: huyendo    fleeing

Present Subjunctive: huya, huyas, huya, huyamos, huyáis, huyan    that I run away/will run away, etc.

Imperfect Subjunctive: huyera (huyese), etc.    that I ran away/would run away, etc.; if I ran away, etc.

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Para practicar

Write the verbs in the tense and person indicated:

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Aplicación

Change from singular to plural in the same tense:

1. ruegue Ud. _________________________

2. tropiezo _________________________

3. él almuerce _________________________

4. cegué _________________________

5. escojo _________________________

6. empecé _________________________

7. juega _________________________

8. me esforcé _________________________

9. cuelgues _________________________

10. empiezo _________________________

11. huye _________________________

12. Ud. sonrió _________________________

13. él destruyó _________________________

14. yo concluyese _________________________

15. has huido _________________________

16. él corrija _________________________

17. Ud. consiguió _________________________

18. sigo _________________________

19. yo escogiera _________________________

20. consigas _________________________

21. él estaba siguiendo _________________________

22. yo elija _________________________

23. corrijo _________________________

24. persigue _________________________

25. incluyas _________________________

26. yo concluía _________________________

27. Ud. había reído _________________________

28. instruyo _________________________

29. Ud. ha restituido _________________________

30. está sonriendo _________________________

Mastery Test

Orthographic changes and orthographic-stem changes:

A. Write in English:

1. que yo apague _________________________

2. ejerzo _________________________

3. envías _________________________

4. tropiezo _________________________

5. ¡extinga Ud.! _________________________

6. ofrezco _________________________

7. entregué _________________________

8. que ellos distingan _________________________

9. que desconozcas _________________________

10. jugué _________________________

11. que finjamos _________________________

12. guío _________________________

13. que Ud. almuerce _________________________

14. corrijo _________________________

15. él poseyó _________________________

16. que repliques _________________________

17. que ellos cojan _________________________

18. que Ud. insinúe _________________________

19. amenaces _________________________

20. exijo _________________________

21. que yo creyese _________________________

22. marqué _________________________

23. que consigas _________________________

24. sonrío _________________________

25. que Ud. ruegue _________________________

26. que ellos convenzan _________________________

27. que Ud. concluyese _________________________

28. que Uds. apacigüen _________________________

29. que delincáis _________________________

30. destruyó _________________________

B. Write in Spanish:

1. I paid _________________________

2. that I chose _________________________

3. did she read? _________________________

4. I did not find out _________________________

5. they followed _________________________

6. I hope he continues _________________________

7. it’s possible that he won’t place _________________________

8. it’s possible that you (s., fam.) won’t extinguish _________________________

9. I hope that they send _________________________

10. it’s possible that we will arrive _________________________

11. did you (s., for.) obtain? _________________________

12. it’s possible that you (s., fam.) don’t know _________________________

13. it’s possible that you will cross _________________________

14. I follow _________________________

15. I don’t guide _________________________

16. I begged _________________________

17. I break the law _________________________

18. it’s possible that you (s., fam.) will read _________________________

19. I hope that you (pl., fam.) will begin _________________________

20. it’s possible that he will direct _________________________

21. they destroyed _________________________

22. I did not explain _________________________

23. I pretend _________________________

24. you (s., fam.) do not laugh _________________________

25. I hope that you will reply _________________________

26. it’s possible that they won’t convince _________________________

27. we were believing _________________________

28. I threw _________________________

29. it’s possible that you (s., fam.) will choose _________________________

30. if we concluded _________________________

Repaso general 1

A. Change each verb from singular to plural in the same tense:

1. parto _________________________

2. comprendiste _________________________

3. él vivía _________________________

4. asistiré _________________________

5. tomarías _________________________

6. estoy escribiendo _________________________

7. estaba vistiéndose _________________________

8. he hablado _________________________

9. Ud. había vendido _________________________

10. habrás asistido _________________________

11. él habría bebido _________________________

12. conteste Ud. _________________________

13. aprendieras _________________________

14. él haya entrado _________________________

15. yo hubiera tomado _________________________

16. acuerdo _________________________

17. se acueste _________________________

18. yo consienta _________________________

19. no se divierte _________________________

20. Ud. pidió _________________________

21. leyó _________________________

22. río _________________________

23. negué _________________________

24. Ud. incluya _________________________

25. juegues _________________________

26. reconozco _________________________

27. Ud. persiguió _________________________

28. almuerces _________________________

29. averigüe _________________________

30. distingo _________________________

B. Write in Spanish:

1. they fear _________________________

2. you (s., fam.) used to drink _________________________

3. I hope you (pl., fam.) show _________________________

4. I began _________________________

5. did you (s., fam.) speak? _________________________

6. they served _________________________

7. we were believing _________________________

8. if you (pl., fam.) believed _________________________

9. he would not write _________________________

10. he notices _________________________

11. it’s possible that they won’t convince _________________________

12. it’s possible that he won’t begin _________________________

13. you (s., fam.) were speaking _________________________

14. it is snowing _________________________

15. I hope you (pl., for.) will explain _________________________

16. it’s possible that you (pl., for.) will direct _________________________

17. I will have taught _________________________

18. if they asked for _________________________

19. you (s., fam.) do not laugh _________________________

20. I do not guide _________________________

21. let us fear _________________________

22. I choose _________________________

23. do you (s., fam.) continue? _________________________

24. I did not explain _________________________

25. he was selling _________________________

26. I begged _________________________

27. they destroyed _________________________

28. it’s possible that you (s., fam.) will choose _________________________

29. they used to carry _________________________

30. he sends _________________________

Repaso general 2

A. Make each simple tense into a compound one in the same person:

1. temía _________________________

2. parto _________________________

3. vivían _________________________

4. necesitaré _________________________

5. partiríamos _________________________

6. comas _________________________

7. vendiésemos _________________________

8. Ud. rió _________________________

9. restituyes _________________________

10. envían _________________________

11. descontinúo _________________________

12. obedezco _________________________

13. creyó _________________________

14. desaparezcan _________________________

15. yo poseyera _________________________

16. tropieza _________________________

17. distinga Ud. _________________________

18. juegan _________________________

19. expliquen _________________________

20. consigo _________________________

21. hirió _________________________

22. eliges _________________________

23. él delinca _________________________

24. sonríen _________________________

25. destruyeron _________________________

26. hablaréis _________________________

27. aprendí _________________________

28. durmió _________________________

29. corrigiéramos _________________________

30. huyera

B. Write in Spanish:

1. they would have left _________________________

2. I hope they read _________________________

3. if we concluded _________________________

4. she is not studying _________________________

5. they understand _________________________

6. I paid _________________________

7. I hope that you (s., fam.) cross _________________________

8. you (s., for.) would carry _________________________

9. it’s possible that we will close _________________________

10. it was possible that I would choose _________________________

11. did you (s., fam.) obtain? _________________________

12. it was impossible for us to attend (that we not attend) _________________________

13. if you (pl., for.) prevented _________________________

14. did she read? _________________________

15. let us arrive _________________________

16. do you (s., for.) open? _________________________

17. they prevented _________________________

18. I did not find out _________________________

19. you (pl., fam.) do not cross _________________________

20. you (s., fam.) will enter _________________________

21. I dress myself _________________________

22. they followed _________________________

23. I close _________________________

24. would you (pl., for.) read? _________________________

25. it’s possible that they will die _________________________

26. continue! (pl., for.) _________________________

27. I follow _________________________

28. you (pl., for.) will have lived _________________________

29. it’s possible that you (pl., fam.) will lose _________________________

30. it’s possible that he won’t look for _________________________