高中动词不定式的用法总结.doc

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动词不定式的用法总结
动词不定式由：“to +动词原形”构成，其否定形式是“not toroblem is very important.
So they don’t know how to make me well.
）在使役动词feel, hear, listen to, make, let, have, see, look at, watch, notice, observe后不定式作宾补时省略to。2）在would rather…than, rather than等结构的than之后用不带to的不定式。 I would rather go than stay.
He insisted on going back to his work rather than stay in hospital.
3）在以why引导的疑问句中不带to。Why not do it right now?
4）不定式动词在介词but, except, besides后面时，如果这些介词之前有行为动词do的各种形式，那么，这些介词后的不定式不带to,否则要带to。 She could do nothing but cry.
I have no choice but to accept the fact.
5）不定式作表语时，在下列情况下可省略to：　　①当含do的定语从句或含do的不定式修饰all, all that thing, the only(first, last) thing,且它们是该主句（该句）的主语时，作表语的不定式的to可省去。All we do is (to) work.
All that thing I want to do now is (to) drink some water.
The only thing to do is (to) run away.
The first thing to do is (to) have breakfast.
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　　②当主语时含do的主语从句时，作表语的不定式的to 可省。What I want to do is (to) take a holiday.
What you do now is (to) bring me a cup of tea.
三．动词不定式的时态和语态
　　动词不定式有一般式to do、进行式to be doing和完成式having done，当动词不定式的逻辑主语是它所表示的动作的承受者时，动词不定式要用被动语态。如：
　　　　It is an honour for me to be invited to the party. 我很荣幸被邀请参加聚会。
动词不定式专项练****题
Tell him _______ the window.
　　A. to shut not 　B. not to shut 　C. to no