动词不定式英文讲解(动词不定式的用法总结英语)
导语：中考英语：你懂“动词不定式”吗
动词不定式作主语
常用句式：“It + is + adj. +(for/of sb. )+to do sth”“对某人来说做某事怎么样”。
形容词表示人的性质（clever、kind、good、nice等），用of；形容词表示事的性质时，用for。
例如：It’s very kind of you to help me a lot．
It’s dangerous for us to play with the wild animal.
【补充】It’s ＋better/ best to do sth.“相比较而言，做某事更好或最好”。
例如：It is better to give than to receive.
It’s best to plant trees in the spring.
动词不定式作宾语
①V+to do sth.
这类词是表示希望（want，would like，like，wish，hope，expect）、计划（plan）、打算（decide）、结果（forget，manage）。注意以下几点：
[玫瑰]forget to do sth“忘记做某事(事情还未做)”
[玫瑰]managed to do sth 设法做成了某事
例如：She managed to live through the surgery.
②“主语＋find/think＋it ＋adj＋ to do sth”，it作形式宾语。
例如：He found it interesting to draw pictures.
③常见的一些不带to的动词不定式
[玫瑰]why not do...，why don’t you do...
[玫瑰]had better(not) do...
[玫瑰]would rather do sth“宁愿做某事”
例如：I’d rather say nothing.
would rather do sth than……“宁愿……也不……”
例如：I would rather work on a farm than in a factory.
prefer to do sth. rather than do sth.“宁愿……，而不愿……”
[玫瑰]could/would/will you please(not) do...
例如：Will you please tell me how to get to the airport?
动词不定式作宾语补足语
①V+sb+to do sth。典型词汇：
[玫瑰]Tom’s mother told him to stop eating too much meat.
[玫瑰]Lucy asked him to turn down the radio．
[玫瑰]warn sb. not to do sth“警告某人不要干某事”
[玫瑰]advise sb to do sth “建议某人做某事”
[玫瑰]He pretended not to see me when he walked by.
[玫瑰]My mother encouraged me to learn Japanese．
②部分动词用不定式作宾补要省略to，这些动词有：一感(feel)、二听(hear，listen to)、三让(let，make，have)、四看(look at，see，watch，notice)。但变被动语态时，必须加上to。
例如：The best way to learn English is to let you live in an English-speaking environment.
The boy is often seen to play basketball after school.
动词不定式作定语
①放在名词之后。
例如：Have you got anything to say?
②如果是不及物动词，要在不定式后加上介词。
例如：There is nothing to worry about．
动词不定时做状语
①表目的。
例如：Spring Bud Project is an organization that raises money to help poor young girls return to school. （春蕾计划是一个为帮助贫困女孩重返学校募集钱的组织。）
②表原因。
例如：I’m sorry to trouble you．
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