动词不定式
动词+ 不定式afford, aim, appear, agree, arrange, ask, be, decide, bother, care, choose, come, dare, demand, desire, determine, expect, elect, endeavor, hope, fail, happen, help, hesitate, learn, long, mean, manage, offer, ought, plan, prepare, pretend, promise, refuse, seem, tend, wait, wish, undertake
The driver failed to see the other car in time. 司机没能及时看见另一辆车。
I happen to know the answer to your question. 我碰巧知道你那道问题的答案。
2) 动词+不定式；动词+宾语+不定式
ask, beg, choose, expect, hate, help intend like, love, need prefer, prepare, promise, want, wish
I like to keep everything tidy. 我喜欢每件东西都保持整洁。
I like you to keep everything tidy. 我喜欢你使每件东西都保持整洁。
I want to speak to Tom. 我想和汤姆谈话。
I want you to speak to Tom. 我想让你和汤姆谈话。
3) 动词+疑问词+ to
decide, know, consider forget, learn, remember, show, understand, see, wonder, hear, find out, explain, tell
Please show us how to do that. 请演示给我们如何去做。
There are so many kinds of tape-recorders on sale that I can't make up my mind which to buy.有这么多的录音机，我都拿不定主意买哪一种。
注意
疑问词带不定式在句中作成分时，谓语动词用单数。如：The question is how to put it into practice. 问题是怎样把它付诸实施。
2. 不定式作补语
1) 动词+宾语+不定式(to do)
advise, allow, appoint, believe, cause, challenge, command, compel, consider, declare, drive, enable, encourage, find, forbid, force, guess, hire, imagine, impel, induce, inform, instruct, invite, judge, know, like, order, permit, persuade, remind, report, request, require, select, send, state, suppose, tell, think, train, trust, understand, urge, warn
a. Father will not allow us to play on the street. 父亲不让我们在街上玩耍。
b. We believe him to be guilty. 我们相信他是有罪的。
Find 的特殊用法
Find 后可用分词做宾补，或先加形式宾语，再加形容词，最后加带to 的动词不定式。find后也可带一个从句。此类动词还有get，have。
I found him lying on the ground.
I found it important to learn.
I found that to learn English is important.
[*]2009-07-02动词不定式 4
[*]2009-07-02动词不定式 3
[*]2009-07-02动词不定式 2
[*]2009-07-02动词不定式 典型例题
[*]2009-07-02动词不定式 8
[*]2009-07-02动词不定式 7
[*]2009-07-02动词不定式 6
[*]2009-07-02动词不定式 5
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