1. By the end of this year ,I ____enough money for a holiday.

A will save  B will be saving  C will have saved  D have saved

2. I have been studying here for four years,by next summer  ___-.

A shall graduate  B shall be graduated  C shall be graduating  D shall have graduated

3. I hope her health _______greatly by the time we come back next year.

A improves  B improved   C will be improved  D will have improve  

4. “Are yougoing to Richard”s birthday party?‘ “Yes.By then I ______my homework..”    

A had finished   B will have finished  C would have finished   D finished

5. I suppose by the time I come back in ten years’ time all these old house______down.

A will have been pulled   B  will be pulling  C will have pulled  D will be pulled

6. I hope that they  ____the road by the time we come back.

A will have repaired  B would have repaired  C have repaired   D had repaired

7.By the time you arrive in London,  we  _______ in Europe for two weeks.

A   shall stay            B   will have stayed     C   have stayed           D   have been staying

8.  By the year 2010,scientists probably________  a cure for cancer.

A . will be discovering       B. are discovering  C.  will have discovered      D. have discovered  

9. Before long,  he _______all about the matter.

A. will have forgotten      B.  forget     C.  have forgotten        D.  forgot

10. I am sure he  _______ the difficulties before you arrive there.

A  will have settled        B settled    C  had settled             D settle

11. By the summer, Elizabeth______ here for ten years .    

A. will work                      B. works    C. will have worked          D. has worked

12. I. hope you______ the instructions ready before I come tomorrow  

A. to get                    B. shall get     C. will get                D. will have gotten .

13. No sooner_______ than the accident happened.  

A. he had gone             B. had he gone    C. his going                     D. he went

14. Hardly______ when the bus suddenly pulled away.

A. they had got to the bus stop     B. had they got to the bus stop     C. did they get to the bus stop     D. they got to the bus stop  

15. Mother doesn't know much time I have spent in watching TV; if she ever found out ,I'm sure_______.

A. she'd never forgive me  B.she never forgive me C. she'll never forgive me D. she does never forgive me  

16. As soon as he______ his error, Rockfeller made the necessary corrections to his data collected.

A. discovered                    B. has discovered    C. discovers                     D. had discovered

17. I _______meeting you ever since we parted.

A. was looking forward to        B. have been looking forward to     C. had been looking forward to   D. looked forward to 18．Where have you been? What _____ ?

A. did you do                   B. have you been doing  C. have made                    D. were you doing

19. She has been studying here for five years and by the end of next summer she _____.

A. will graduate                B. will be graduating  C. will be graduated            D. will have graduated

20. When you come tonight at eight o’clock, I _____ eight lessons.

A. would review                 B. shall review     C. shall have reviewed          D. shall be reviewing

答案：

1.选C,by the end of this year, 是明确表示将来的时间状语,主句表示在这个将来时间以前完

成的动作,故应用将来完成时.

2.选D.by next summer是明确表示将来的时间状语, 主句表示在这个将来时间以前完成的动作,故应用将来完成时.

3.选D,by the time 引出的是时间状语分句,分句中用的come用一般现在时,表示将来概念,相当于一个表示将来的时间状语,主句谓语动词表示在将来某一时刻以前必定完成的行为,应该用将来完成时.不能选A,句子中带有表示将来时间的状语分句,故应该用与将来时相关的时态.也不能选C ,improve 在该句中作”好转”,”变得更好”解,为不及物动词,所以用被动语态时错误的. 4.B   5.A   6.A   7.B  

8.C： By the year 2010 是明确表示将来的时间状语,主句表示在这个时间以前完成的动作,故用将来完成时. 9.A  

10.A ：before you arrive there. 是明确表示将来的时间状语,主句表示在这个时间以前完成的动作,故用将来完成时.

11.C   将来完成时态。 By 指：到什么时间为止。  

12 ． D   将来完成时态。 tomorrow 表示将来， get the instructions （指令，指示）这个动作在我回来之前已经完成。  

13 ． B   “no sooner„„than„„”( 刚 „„ 就 „„) ，在 no sooner 这部分应当用过去完成时， than 后面用一般过去时。 A ， B 都是过去完成时态，怎么选择？ No sooner 的特殊用法，在其后面跟倒装语序，所以选 B 。  

14 ．B  hardly„„when„„( 一 „„ 就 „„) ， hardly 后应当用过去完成时， when 后面用一般过去时。 hardly 的特殊用法，在其后面跟倒装语序，所以选 B 。  

15 ． A   过去将来时态。 Forgive 原谅， She’d 相当于： she would. 妈妈不知道我看电视花费了多长时间，如果她知道的话，我相信她将永远不会原谅我。  

16． D   过去完成时态。 发现错误这个动作发生在纠正数据那个动作之前，而改正数据的动作用的是过去时态，所以，发生在过去的过去的动作就用过去完成时态。 error 错误。 correction 改正，是名词。 data 数据。  

17． B   现在完成时态。表示渴望见你这个动作从过去一直延续到现在以至于将来。 look forward to 渴望，想要 „„ 。 ever since   自从 „„   。  18 ． B   现在完成进行时态。通过上下句来识别时态。  

19 ． D   将来完成时态。 by the end of next summer   为信号词。  20 ． C     将来完成时态。 Review   温习，复习。

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