1、中考复习动词不定式(非谓语动词)（一）构成：肯定 to do 否定 not to do（二）不定式的用法不定式在句子中可以充当主语、宾语、表语、定语、状语和宾语补足语。1. 作_ (动词名词化 ) To learn English well is not easy.上面这句话可以转化为： Its not easy to learn English well.为了说明不定式表示的动作是谁做的，可以在不定式前加一个由 for 引导的短语。例如：Its very difficult for Henry to lift that heavy box. Its a mistake for Emily t
2、o stay here.而当句子中的表语是表示人的_的形容词，如：good，nice，clever ，silly，kind，naughty，careless 等时，不定式前可加一个由介词_引导的短语，用以说明动作的执行者。例如：Its clever of him to put the dictionary there.固定句型：做某事花费某人多长时间_2. 作_ (动词名词化) The little boy wanted to get to school before 8 oclock. 想要做某事 希望做某事失败做某事 学着做某事期盼做某事 决定做某事宁愿做某事 需要做某事同意做某事 迫不及
3、待做某事忘记做某事（没做） 记得做某事（将要做）停下来接着做另一件事 开始做某事有助于做某事3. 作_(对宾语的补充说明，说明宾语 做了什么) I asked Paul to carry the box. She told me not to give the book to Betty. 想要某人做（不做）某事 需要某人做（不做）某事请求某人做（不做）某事 告诉某人做（不做）某事命令某人做（不做）某事 期盼某人做（不做）某事建议某人做（不做）某事但是：let sb._ make sb._ have sb._She let me borrow an English dictionary. I
4、made James bring something to drink.如果转化为被动语态时，_，即：感官动词的宾语补足语有两种形式：_。例如：I saw him enter the classroom. I saw him entering the classroom.不定式表示_，而用现在分词则表示_。又如：I heard Peter playing the piano in his room when I went past.I often hear Peter play the piano in his room.Let me see you draw a picture. I fou
5、nd Lin Mei running on the playground at 4：30see sb. do sth. see sb. doing sth.watch sb. do sth. watch sb. doing sth.feel sb. do sth. feelsb. doing sth.notice sb. do sth. notice sb. doing sth.hear sb. do sth .hear sb. doing sth. find sb. doing sth.感官动词后作宾语补足语的不带 to 不定式在转化为被动语态时_，如：I saw him enter the
6、 classroom. _I often hear Peter play the piano in his room. _I saw him jump into the river. _4. 作状语 不定式作状语一般表示目的、原因或结果。（1）表示目的 They got up early to catch the first bus.（2）表示原因 Were sorry to hear that. Tony was very angry to find his car gone. （3）表示结果 He arrived at the station to find the train had l
7、eft.不定式表示结果时，还常用于 be+ too+ adj+.to do/be +adj.+enough todo 的结构中。如：The oranges are too high to reach. 5. 作_ ,放在 be 动词之后 My aim is to make friends with her. 6. 作_，放在被修饰名词之后 Would you like something to drink?有一些名词（如 time，way，excuse 等）后常用不定式作定语。如：Its time to get up. 是起床的时候了。如果作定语的不定式是不及物动词，要在其后加适当的介词，确保
8、动词和被修饰词的动宾关系。如：This is an interesting picture to look at. He told me he had found a room to live in.。常用词组：一些喝的东西 一些吃的东西 如此多的问题要问许多要做的作业 有时间做某事 没时间做某事 有机会做某事（三）带疑问词的不定式不定式可以和疑问词 who，what，which，when，how，where（why 除外）等连用，构成不定式短语，在句子中作主语、宾语和表语等。例如：When to go there hasnt been decided yet.（作主语）Its known w
9、here to stay for the night.（作主语，it 为形式主语）He didnt know what to say when he saw Ann.（作宾语）The problem is how to inform her of the news.（作表语）必须掌握：疑问词+to do 形式作宾语，替代宾语从句，条件是_-We have not decided when we will start=_Can you tell me how I can search the Internet?=_I know what I should do with it=_Mother h
10、as told us where we shall go on a trip=_（四）一些值得注意的不定式结构（1）在情态动词后用动词_,但是 ought 后用_。（2）在 had bette( not)do sth. cannot do nothing but do why not do sth have no choice but to do help sb. do(to do) have to do be ready to do be afraid to do sth. would rather do than do思考 1：另一种非谓语形式是 doing，功能和不定式一样，仔细观察下例句子，写出其功能。1.Doing exercise is good for health. 2.My favourite is running.4.We enjoyed playing in the park yesterday. The woman wearing a coat is my grandfather.6.Children entered the park happily,talking and laughing.7.He was seen leaving his office at 9 last night.
