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1、将来完成时,一 概念： 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,（二）构成：will + have + 过去分词表示将来某一时间完成某事。（三）用法举例：Ill have retired by the year 2019.,a. 状态完成：表示某事继续到将来某一时为止一直有的状态。b. 动作完成：表示将来某一时或另一个将来的动作之前，已经完成的动作或一获得的经验。They will have been married for 20 years
2、by then.You will have reached Shanghai by this time tomorrow.,将来完成时,By the time you complete the course, you will have earned a certificate. 当你结束课程时，你将会获得证书。By the end of next year, we will have set up a hospital. 到今年年底为止，我们将会建好一间医院。You will have reached Shanghai by this time tomorrow. 到明天的这个时候你将会到了
3、上海。,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。,将来完成时的用法,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。,When I have finished that, I shall have done all I am supposed to do. 等我做完这件事时，我就做完
4、我该做的所有的事了。 Please dont get off the bus until it has stopped. 请等车停稳后下车。,注： 在时间状语从句中，不用将来完成时，要用现在完成时来代替。,例题,By the end of this month, we surely _ a satisfactory solution to the problem. A) have found B) will be found C) will have found D) are finding,本题时间状语为by+将来时间，考察将来完成时用法,应选择C.,The conference _a fu
5、ll week by the time it ends. must have lasted B) will have lasted C) would last D) has lasted,将来完成时用来可以表示在将来某一时间以前一直持续的动作，本句话的意思是：这次会议将持续整一周才结束，因此谓语动词用将来完成时，答案为B.,练习题,1. Pick me up at eight oclock, I _ my bath by then.A) will have had B) will be having C) can have had D) may have 2. By the end of th
6、is month, we surely _ a satisfactory solution to the problem. A) have found B) will be finding C) will have found D) are finding,A,C,3. By the end of the year all but two people _. A) have left B) will leave C) will be leaving D) will have left4. Its reported that by the end of this month the output
7、 of cement in the factory _ by about 10%.A) will have risen B) has risen C) will be rising D) has been rising,A,D,5. The conference _ a full week by the time it ends.must have lasted B) will have lasted C) would last D) has lasted6. My train arrives in New York at eight oclock. The plane I would lik
8、e to take from there _ by then.A) would leave B) will have left C) has left D) had left,B,B,7. May I speak to your manager Mr. Williams at five oclock tonight? Im sorry. Mr. Williams _ to a conference long before then.” A) will have gone B) had gone C) would have gone D) has gone 8. By the time he a
9、rrives in Beijing, we _ here for two days. A) have been staying B) have stayed C) shall stay D) will have stayed9. By the time you get to New York, I _ for London. A) am leaving B) shall have left C) have already left D) would be leaving,B,A,D,10.By the time Jane gets home, her aunt _ for London to
10、attend a meeting. A. will have B. leaves C. will have left D. left,C,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,C,12. I have been studying here for four years, by next summer _-.A shall graduate B shall be graduatedC shall be g
11、raduating D shall have graduated,D,13. 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 14. “Are you going to Richard”s birthday party?“Yes. By then I _my homework.” A had finished B will have finishedC would have finished D f
12、inished,D,B,15. 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 pulled16. 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,A,
