九乡新闻网食品安全标准:将来完成时
来源：百度文库 编辑：九乡新闻网 时间：2024/04/27 15:44:02
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。并在将来完成。
b. 动作完成：表示将来某一时或另一个将来的动作之前，已经完成的动作或已获得的经验。
They will have been married for 20 years by then.
You will have reached
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"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.表示某种状态一直持续到说话人所提及的时间
we will have been married a year on june 25th
到
构成：主语+ shall/will have been doing
将来完成进行时表示动作从某一时间开始一直延续到将来某一时间。是否继续下去，要视上下文而定。这个时态常和表示将来某一时间的状语连用。
I shall have been working here in this factory for twenty years by the end of the year. 到今年年底，我将在这个工厂工作20年了
If we don't hurry up the store will have been closing before we get there. 咱们如不快一点儿，等我们到了那儿，店门就会关了。
The play is coming off in August. By then the play will have been running for three months. 这个剧将于8月停演。到那时为止，这个剧将连演三个月了。
〔注〕在下列句子中，will是情态助动词，有“大概”或“我想”的含义。
①You’ll have been wondering all this time how my invention works.
我想你这些时候一直想知道我的发明是怎样工作的吧。
②They will have been having a holiday yesterday. 他们昨天大概是在度假来着。
将来完成进行时和将来完成时的区别：
将来完成进行时强调动作过程在另一动词之前的长度。而将来完成是更强调在另一件事前一个动作的完成。
By the time John retires， Janes will have been practicing for 10 years.