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。
例如：
I will have finished all the work by the time you are back this evening.
I am sure he will have left Paris by this time tomorrow.
I hope we will have got all the information before you come tomorrow.
练习题：
1. Pick me up at eight o’clock, 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 this month, we surely ___________ a satisfactory solution to the problem.
A) have found
B) will be finding
C) will have found
D) are finding
3. By the end of the year all but two people _______________.
A) have left
B) will leave
C) will be leaving
D) will have left
4. It’s reported that by the end of this month the output of cement in the factory _____ by about 10%.
A) will have risen
B) has risen
C) will be rising
D) has been rising
5. The conference _____________ a full week by the time it ends.
A) must have lasted
B) will have lasted
C) would last
D) has lasted
6. My train arrives in New York at eight o’clock. The plane I would like to take from there _____________ by then.
A) would leave
B) will have left
C) has left
D) had left
7. ———May I speak to your manager Mr. Williams at five o’clock tonight?
———I’m 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 arrives in Beijing, we ____ here for two days.
A) have been staying
B) have stayed
C) shall stay
D) will have stayed
9. 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
Keys:
1. A) 2. C) 3. D) 4. A) 5. B) 6. B) 7. A) 8. D) 9. B)
