将来完成时的构成是由"shall/will + have +过去分词"构成的。  Before long he will have forgotten all about the matter.  不久他就会全然忘记这件事的。  He is somebody now. He will not have remembered his old classmates. 他现在是一个有身份的人了,他可能不会记得老同学了。  Will you have known Kevin for 10 years next month?  到下个月你认识凯文该有10年了吧?  1. By the summer, Elizabeth______ here for ten years .    A. will work                      B. works    C. will have worked          D. has worked2. I. hope you______ the instructions ready before I come tomorrow  A. to get                         B. shall get     C. will get                       D. will have gotten .3. No sooner_______ than the accident happened.   A. he had gone                  B. had he gone    C. his going                     D. he went4. 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 stop5. 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 meC. she'll never forgive me      D. she does never forgive me6. As soon as he______ his error, Rockfeller made the necessary corrections to his data collected.A. discovered                    B. has discovered    C. discovers                     D. had discovered7. 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 to8. Where have you been? What _____ ?    A. did you do                   B. have you been doing  C. have made                    D. were you doing9. 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 graduated10. 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 语法练习答案1 . C   将来完成时态。 By 指:到什么时间为止。2 . 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。3 . 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 。4 .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 。5 . 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。6. 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。7. 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 ……   。8 . B   现在完成进行时态。通过上下句来识别时态。9 . D   将来完成时态。 by the end of next summer   为信号词。10 . C     将来完成时态。 Review   温习,复习。