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1.将来完成时的定义
将来完成时是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或by the end of短语引导的现在时的从句连用。
时间轴:
2.语法点讲解
1.一般构成:
shall/have+动词的过去分词
2.将来完成时的时间状语:
by (the time / the end of ) + 表示将来时间的短语和句子
e.g.
by this year/by next week
by the end of this year
by the time he gets here
before (the end of ) + 表示将来时间的词语或句子
before next year
before he gets here
when, after等加上表示将来动作的句子
When I am free,
After I have a lot of money,
3.将来完成时的用法
1)表示将来某一时间之前完成的动作:
例:到明年的时候我就会学4000单词了。
I will have learned 4000 words by next year.
2)表示到将来某个时间为止势必会完成或预计要完成的动作:
我们到那里时她会已上班去了。
When we get there, she’ll have gone to work.
3)表示某种状况将一直持续到说话人所提及的某一将来时间:
到下星期此刻,我就已经为该公司干了24年了
By this time next week, I will have been working for this company for 24 years.
3.优选试题
一、选择题
1. By the time Jane gets home his aunt ______ for London to attend a meeting.
A. will leave B. leaves C. will have left D. mind
2. On her next birthday, Ann ______ married for twenty years.
A. is B. has been C. will be D. will have been
3. —I hear that Jason is planning to buy a car.
—I know. By next month, he _______ enough for a used one.
A. will have saved B. will be saving C. has saved D. saves
二、翻译句子
1.到今年底,她将是三个孩子的妈妈。
2. 星期五之前一定有结果。
3.当你读到这封信的时候, 我将已经离开这座城市了.
私信回复2-37-3即可获得习题答案。
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