《将来完成时》由会员分享，可在线阅读，更多相关《将来完成时（14页珍藏版）》请在金锄头文库上搜索。
1、将来完成时,将来完成时用来表示在将来某一时间以前已经完成或一直持续的动作经常与before+将来时间或by+将来时间连用，也可与before或by the time引导的现在时的从句连用。,将来完成时的构成,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
2、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？,将来完成时的用法,1表示在将来某一时间之前已完成的动作，并往往对将来某一时间产生影响。 We shall have learned 12 units by the end of this term. 到这个学期末，我们将学完12个单元。 By the time you get home I will have cleaned the house from top to bottom. 你到家之前我将把房子彻底打扫一遍。,2表示推测，相当于
3、“must have done“结构。,You will have heard of this, I guess. 我想你已经听说过这件事了。 I am sure he will have got the information. 我相信他一定得到了这个信息,3 将来完成时通常与：“by+将来时间”和by the time that结构连用,。例如： By the year 2050, scientists probably will have discovered a cure for cancer. 到2050年，科学家们可能已经找到了治愈癌症的方法。 By the time you ar
4、rive in London, we will have been staying in Europe for two weeks. 等你到达伦敦的时候，我们已经在欧洲呆了两星期了。,4. 在时间从句和条件从句中，现在完成时可以代替将来完成时，表示将来某时业已完成的动作。,例如： Youll get to like the subject after you have studied it for some time. 在学习这个学科一段时间之后，你就会喜欢它的。 Ill go and see the exhibition as soon as I have finished my work.
5、 我一做完作业就去看展览。,5. 将来完成时还可以表示“可能性”，或“设想”,。例如： Its five oclock， they will have arrived home by now. 已经五点钟了，他们现在应该已经到家了,将来完成时的构成形式如下：,肯定式 疑问式 否定式 疑问否定式 I shall Shall i I shall not Shall i not have worked have worked? have worked have worked He (she it) will have Will he (she it) He (she it) will Will he
6、 (she it) worked have worked ? not have worked not have worked? We shall Shall we We shall Shall wehave worked have worked ? not have worked not have worked? You will Will you You will Will you have worked have worked ? not have worked not have worked? They will Will they They will Will theyhave wor
7、ked have worked ? not have worked not have worked?,现在完成时、过去完成时与将来完成的区别,现在完成时以现在时间为参照点，表示在“现在”以前完成的动作或持续到“现在”的状态，过去完成时则以过去时间为参照点，表示在“过去”某一时间以前发生的动作或持续到“过去”某一时间的状态，将来完成时则以将来时间为参照点，表示在“将来”某一时间为止已经完成的动作或持续到“将来”某一时间的状态： He has finished writing his novel. 他已写完了他的小说。 He had finished writing his novel by th
8、e end of last year. 去年年底他就写完他的小说。 He will have finished writing his novel by the end of next year. 到明年年底他就会写完他的小说了。,与一般现在时代替一般将来时一样，在表示时间或者条件的状语从句，通常要用现在完成时来表示将来完成时，而不能直接使用将来完成时：,I will go with you when I have finished my work. 等我完成工作之后我就同你去。 若不强调动作的完成(且不致于引起歧义)，有时也可用一般现在时： I will go with you when I
9、 finish my work. 我完成工作后就同你去。,将来完成时专项练习,1. By the end of this year ,I _enough money for a holidayA will save B will be saving C will have saved Dhave saved 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.When i have done that,I (_) all I was supposed to do.(do) 我做完了这件事，就做完了我全部
10、应该做的事情。Will have done,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 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
11、 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 . “Are you going to lilei”s birthday party? “Yes.By then I _my homework” ( ),A had finished B will have finished C would have finished D finished B 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 A 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 A,
