动词形式变化掌握的好坏最能反映你的语法基本功。它涉及到的语法内容主要包括时态语态、情态动词、基本句型及陈述句与疑问句等。所以，加强动词形式变化的练习可以很好的巩固我们所学的语法内容!

　　1. Li Ping often _____ (read) English in the morning.

　　2. _____ he _____ (clean) the windows once a week?

　　3. The workers _____ (have) sports on the playground now.

　　4. How long ___ you __ (stay) there the day before yesterday?

　　5. Who _____ (listen) to the music?

　　6. When I ____ (be) a middle school student, I often ___(sing).

　　7. His parents ____(go) to the Great Wall tomorrow morning.

　　8. ____ they _____ (study) Japanese next term?

　　9. What time _____ you _____ (do) your homework everyday.

　　10. Look! The students ____ (clean) the classroom.

　　11. —What ____ your after ____ (do) yesterday?

　　—He ____ (write) two letters.

　　12. There _____ (be) a football match on TV this evening.

　　13. My father _____ (leave) for Japan tomorrow morning.

　　14. Tom _____ (not listen) to the radio every morning.

　　15. ____ (be) there any hospitals here twenty years ago?

　　16. I _____(come) to see you again before long.

　　17. _____ there ____ (be) an English evening next Saturday?

　　18. ____ your uncle _____ (have) a meeting last Friday?

　　19. What _____ the young pioneers ____ (do) on the hill now?

　　20. They __________ (not go) fishing on Sunday.

　　21. How many classes _____ you _____(have) every day?

　　22. It's seven in the evening, Tom's family _____ (watch) TV.

　　23. He ___ (join) the army in 1985. He __ (be) still in the army now.

　　24. I _____ (visit) my friend next Sunday.

　　25. If it snows tomorrow, we _____ (play) with snow.

　　26. I _____ (make) a lot of mistakes in my test yesterday.

　　27.— _____ it __________ (snow) outside now? —No, it __________.

　　28. Where ______ they ____ (live)? They ____ (live) in Shanghai.

　　29. If it _____ (rain) this morning, we won't go shopping.

　　30. Listen! Who _____(sing)in the next room?

　　31. The teacher _____(not teach)us a Chinese song，he _____(teach)us an English song two days ago.

　　32. If I am free this evening，I _(help)you with your maths.

　　33.— ________you ________(be)there tomorrow? —No，I ________.

　　34. Where _________(be)your parents last year? They ________(be)in Xi'an.

　　35. —Why _______ they _______(go)to the library after school yesterday? —Because they _________(want)to borrow some books.

　　36. What _______ you _______(do)these days?

　　37. Don't make a noise. Grandma _________(sleep).

　　38. Sometimes he ____(help)his mother with the housework.

　　39. Please write to us as soon as you _________(get)there.

　　40. We ________(show)the foreign friends around Beijing when they get here.

　　41. We'll wait till you _______(make)up your mind.

　　42. They ______ just _______(talk)about you.

　　43. —Where _____he ______(be)? —He _________(be)to the bank.

　　44. —______ you______(visit)the Science Museum? —Yes，I________.

　　45. —______she ______(tell)you the good news? —No，she _______.

　　46. How long _______ your mother _______(teach)English in this school? ---For ten years.

　　47. We _______ already _______(draw)five pictures.

　　48. My grandson ______________(be)ill for a week.

　　49. —________ the train _________(arrive)?—No，not yet.

　　50. Our physics teacher ____(not come)to work today，because he is ill.