1、知识点一：非谓语动词定义：非谓语动词是指在句中起_、_或_作用的动词形式，而不是作谓语的动词形式。非谓语动词形式分为 _、_ 和 _（to do、doing、done）【要点梳理】【要点梳理】名词形容词副词动词不定式现在分词过去分词 知识点二：动词不定式不定式构成：to+_（否定形式：）在句中起名词，形容词和副词的作用，可担任除谓语外的其它任何成分1.动词不定式作_To help you is my pleasure=Its my pleasure to help you.很乐意帮助你。Its nice to hear your voice.不定式作主语时，通常是在主语位置放个it作为形式主语
2、，而把真正的主语的不定式结构后置。2.动词不定式作_Suddenly it began to rain.（作began的宾语）突然天开始下雨。1）常见“动词+动词不定式”的动词有：want、plan、pretend、等后+_ not to do to raindecide、expect、refuse、forget动词原形主语宾语to do2）和疑问词who,what,when,where,how,which等连用作tell,ask,know,show等动词的宾语。如：I dont know what to do.我不知道做什么。She showed us how to do it.她向我展示怎
3、样去做那东西。3）用it作形式宾语,将真正的宾语_。如：We find it possible to eat 10 apples at one time.我发现一次吃10个苹果是有可能的。3.动词不定式作宾语补足语My father asked Mary to buy some salt back.（Mary在句中作宾语，to buy 补充说明Mary 要做的事）我爸爸叫玛丽去买些盐回来。Mr.Li told us not to play computer games in the Net bar.（us在句中作宾语，not to play 补充说明us 不要做的事）李老师告诉我们不要在网吧玩
4、电脑游戏。常见“动词+sb+动词不定式”的动词有：ask、encourage、_等后+sb+to dowish、advise、tell、allow、want、hope置后【例题】()1.Please dont forget _ the room while I am away in Beijing.A.clean B.to clean C.cleaned D.cleaning()2.Ben decided_for a trip with his classmates.A.to go B.going C.go D.goesBA【举一反三】()3.Hi,Tom!Can you tell me wh
5、en_for London?Yes,tomorrow morning.A.leaving B.leaves C.to leave D.are you leaving()4.I cant decide_.You mean the purple sweater or the blue one?A.how to go there B.who to go with C.where to visit D.which to choose()5.Could you ask him_me this afternoon?A.calling B.call C.to call D.calledCDC知识点三：动词不
6、定式常考句型1.It_sb.some time_sth.Eg:It took me two hours to write the letter.2.It isadj.（_sb.）_sth.Eg:It is difficult for him to finish the work on time.3.主语find/thinkit_ sth.Eg:We find it important/interesting to learn English.takes/took to do for/ofto do to do adj【例题】()1.It took him a long time the pic
7、ture.A.to finish to draw B.to finish drawing C.finishing drawing D.finishing to draw()2.In order to win the first place in the contest,he practiced the English song,but found it difficult the lyrics.A.to sing;to remember B.to sing;remembering C.singing;to remember D.singing;remembering【举一反三】()3.I th
8、ink it important the study skills.A.to know B.know C.knowing D.not to know()4.It took me half an hour my homework yesterday.A.to do B.do C.did D.doingBCAA（）1.Toms mother asked him some washing after dinner.A.to do B.does C.do D.did（）2.We can use QQ to chat with each other on the Internet.Really?Will
9、 you please show me it?A.how to use B.what to use C.how can I use D.what can I use（）3.Try to sing more English songs,and you will find it interesting a foreign language.A.learning B.learns C.learn D.to learn（）4.It took me two weeks reading the novels written by Guo Jingming.A.Finish B.to finish C.fi
10、nishes D.finishing（）5.I didnt hear you come in just now.Thats good.We tried any noise,for you were sleeping.A.not make B.not to make C.to make D.making（）6.In order for the meeting,my sister forced herself to get up early this morning.A.not to be late B.not being late C.to be late D.being late【综合练习】【
11、综合练习】AADBBA（）7.We advise parents their children at home alone in order to keep them away from danger.A.not leave B.not to leave C.leave D.to leave（）8.Live or not,a famous American actor,was always expecting_an Oscar and finally he made it.A.to win B.will win C.not to win D.not winning（）9.For more th
12、an once,our head teacher asks us the habit of keeping a diary.A.develop B.develops C.developing D.to develop（）10.After long years of war,many people in Syria are homeless.I think it important_ a peaceful worldA.build B.not build C.to build D.not to build（）11.Young people are encouraged to work hard their own dreams.A.achieve B.achieves C.to achieve D.achievedBADCC
