在谓语中有多少种带不定式的类型,他们分别表示什么含义?怎样更好的理解。谢谢老师的回答。
We could have led by two goals。
we will have to use players in rotation.
We have to watch out to avoid players becoming over-exhausted.
已上句子中谓语中的不定式分别表达怎样的概念。
不定式参与谓语的构成通常有两种情况:
1 用于情态动词之后,这是不定式不带to. 不定式的动作在谓语时间还没有发生。如果动态动词事件意义的不定式的动作在谓语同时发生,就要改为不定式的进行体,先于谓语动词要用不定式的完成体。静态动词总是和谓语同时的,用一般体。
如:He may come tomorrow。事件(后于谓语时间)
He may go to work by bus every day. 习惯(与谓语时间同时)
He may like you. 状态 (与谓语时间同时)
He may be sleeping now. 事件,不定式用进行体(与谓语时间同时)
He may have left yesterday. 事件,不定式用完成体(先于谓语时间)
2 位于助动词do之后,不带to。用于疑问句、倒装句、否定句。
She loves him.
She does not love him.
Does she love him?
3.不定式参与复合谓语的构成,多为固定句型。
have to do
be able to do
be bound to do
seems to do
这是不再分析不定式的作用,将它们视为一体。
have to不是情态动词,所以起前还可以加其它情态动词:
may have to do
will have to do
We could have led by two goals。我们本可能领先二个球的。(与事实不符)
we will have to use players in rotation. 我们将不得不让队员轮流上场。(将来的必要性)
We have to watch out to avoid players becoming over-exhausted.我们必须注意,要避免球员过度疲劳。当前的必要性。
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在谓语中有多少种带不定式的类型,他们分别表示什么含义?怎样更好的理解。谢谢老师的回答。
could have done sth本来能做成的某事(结果却没做成)
We could have led by two goals。
参考译文:我们本来可以/能领先2个进球得分。
we will have to use players in rotation.
参考译文:我们将不得不/必须依次使用运动员。
We have to watch out to avoid players becoming over-exhausted.
参考译文:我们必须注意/小心/提防避免运动员过度疲劳。
已上句子中谓语中的不定式分别表达怎样的概念。
could have done sth
本来可以/能作某事(实际上没有做)
Why did you type the letter when I could have done it for you easily by computer?
我本可用计算机很方便地为你打这封信,你何必费心用打字机 呢 ?
He thought she could have done better, by far.
他认为她本可以演得更好, 而且是好得多.
I could have traveled, I could have done all kinds of things.
我本来可以去旅行, 我本来可以做所有事情.
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