初中英语语法-非谓语动词.ppt
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1、非谓语动词,初中英语语法,The old men enjoy_(listen)to the singing of the birds in the park.2.My sister is interested in _ in her free time.A.watch TV B.reading books C.listening music D.plays basketball3.Let me _(help)you _(water)the flowers.4.I saw him _ into the small store.A.went B.going C.to go D.has gone5.
2、He is good at_.A.singing B.sing C.sings D.to sing,热身练习,listening,B,B,help,water,A,非谓语动词,1.谓语动词与非谓语动词:,在句子中担任谓语的动词,叫做谓语动词;在句子中担任主语、宾语、表语、定语和状语等的动词,叫做非谓语动词。,We should serve the people heart and soul.I am reading a novel.,She found English hard to learn.Seeing is believing.,Please stop speaking.,(谓语),(
3、谓语),(状语),(主语和表语),(宾语),2.非谓语动词的特点,1)不能单独做谓语,但可和助动词或情态动词组成谓语。,2)具有动词的特征,可以有自己的宾语或状语。,The Party called on us to serve the people.,The students ran out of the classroom,laughing happily.,She doesnt have any English books.,非谓语动词分为三种形式:,不定式:to+动词原形 动名词:动词原形+ing分词(现在分词和过去分词),动词+doing 介词+doing,doing,动名词,只能接
4、-ing作宾语的动词口诀:,喜欢花费忙着想象忍不住想要结束练习 错过建议保持介意值得考虑,喜欢花费忙着想象忍不住想要结束练习,enjoy doing sth.喜欢做某事 spend.doing sth.花费做某事 be busy doing sth.忙于做 imagine sb.doing sth.想象做某事 cant help doing sth.忍不住做某事 feel like doing sth.想要做某事 finish doing sth.完成做某事 practice doing sth.练习做某事,miss doing sth.错过做某事 suggest doing sth.建议做某
5、事 keep(on)doing sth.保持(继续)做某事 mind doing sth.介意做某事 be worth doing sth.值得做某事 consider doing sth.考虑做某事,错过建议保持介意值得考虑,be good at doing sth 擅长做某事 be interested in doing sth.对做某事感兴趣 be used for doing sth.被用来做某事 thank sb.for doing sth.谢谢某人做某事 be tired of doing sth.厌烦做某事 be afraid of doing sth.害怕做某事,介词+doin
6、g,put off doing 推迟做某事stop sb.from doing sth.阻止某人做某事give up doing sth.放弃做某事without doing sth.没有做某事think about doing sth.考虑做某事What How about doing 做某事怎么样?,此to 非彼to,look forward to doing sth.(盼望)pay attention to doing sth.(注意)be used to doing sth.(习惯于)prefer doing sth to doing sth.(更喜欢)devote to doing
7、sth(致力于)make a contribution to doing(做贡献),小试牛刀,1.Now more and more people are busy_about the Internet.A.learn B.to learn C.learning D.learned 2.-Its too hot.Would you mind _the door?-_.Please do it.A.to open;OK B.opening;Certainly not C.opening;Of course D.to open;Good idea 3.No matter how hard it i
8、s,well keep_until we make it.A.failed B.failing C.tried D.trying,C,B,D,4.-Are you enjoying_in Ningbo?-Yes,we are.Very much.A.to live B.living C.lives D.lived 5We couldnt help _(laugh)after we heard the funny story A.to laugh B.laughing C.laughs D.laughed,B,B,肯定式:to do否定式:not to do省略to的:do,动词不定式,动词不定
9、式,基本形式:to+动词原形(在某些情况下可以不带 to),特点:A.没有人称和数的变化,C.有时态和语态的变化(被动语态的形式为 to be+动词过去分词),B.可以有自己的宾语和状语,动词不定式用法,A、作主语,如:,To learn a foreign language is not easy.=Its not easy to learn a foreign language.,注意1:不定式短语作主语如果太长,常用it作形式主语,将不定式后置。,注意2:不定式的逻辑主语:,不定式不能单独做谓语,因此没有语法上的主语,但可以有意义上的逻辑主语。,I promised Tom to pla
10、y with him.I asked him to play with me.,(to play的逻辑主语是I)(to play的逻辑主语是him),注意3:,同一句型中不同介词的不同含义,It is+adj+for sb to do sthIt is+adj+of sb to do sth,(for 引出动作发出者),(of 引出adj修饰的对象),It is easy for me to finish this work before ten.It is a great honor for us to be present at your birthday party.,It is ver
11、y kind of you to give me some help.Its impolite of you to speak to the teacher like that.,注意:常用在of句型中的adj有:,kind,good,nice,wise,unwise,clever,foolish,careless,stupid,naughty(淘气的),polite,impolite,silly,brave,honest,noble,right,rude等,You are very kind to give me some help.,you are impolite to speak to
12、 the teacher like that.,B、作表语,如,The important thing is to finish the work on time.,作宾语,C、,动词+to do,动词+疑问词+to do,动词+it(形式宾语)+宾补+to do,常见动词有 agree,decide,fail,hope,wish,want,plan 等,I dont know what to do.,I find it important to learn English.,只能接不定式作宾语的动词口诀:,决定想做计划需要同意,能做用来做的事 迫不及待下决心做过去常常未能做的事,决定想做计划
13、需要同意,能做用来做的事,decide to do sth.决定做某事 wantwould like to do sth.想做某事 plan to do sth.计划做某 need to do sth.需要做某事 agree to do sth.同意做某事 afford to do 能做某事 use to do 用来做,迫不及待下决心做过去常常未能做的事,cant wait to do 迫不及待地要做某事 make up ones mind to do 下决心做某事 used to do 过去常常做某事 fail to do 未能做某事,D、动词不定式作宾语补足语,作宾补,动词+宾语+to d
14、o,动词+宾语+do,Li Mei asked me to show her the new dictionary.,注:有以上结构的常用动词有 tell.wish,ask,want,like,beg,invite,warn,allow,encourage,advise 等。,(不带 to 的不定式),注:常用的动词是:感官动词see,hear,feel,watch,notice;使役动词 have,make,let.,接不定式作宾语补足语的动词口诀:,请求与命令 想要邀请期待鼓励与建议 答应告诫允许提醒和帮助,请求与命令,ask sb.to do sth.请求某人做某事 tell sb.to
15、 do sth.命令某人做某事,想要邀请期待鼓励与建议,want sb.to do sth.想要某人做某事 invite sb.to do sth.邀请某人做某事 expect sb.to do sth.期待某人做某事 encourage sb.to do sth.鼓励某人做某事 advise sb.to do sth.建议某人做某事,答应告诫允许提醒和帮助,promise sb.to do 答应某人做某事 warn sb.not to do sth.告诫某人做某事 allow sb.to do sth.允许某人做某事 remind sb.to do sth.提醒某人做某事 help sb.(
16、to)do sth.帮助某人做某事,F、作定语:(必须后置),I came here to see youWe were very excited to hear the newsHe hurried to the school to find nobody there.To look at him,you would like him,(目的),(原因),(结果),(条件),I have some books for you to read.,注意:作定语的不定式如果是不及物动词,或者不定式所修饰的名词或代词是不定式动作的地点工具等,不定式后面须有相应的介词。,He is looking f
17、or a room to live in,There is nothing to worry about,Please give me a knife to cut with,G、不定式与疑问词who,which,when,where,how,what等连用,在句中起名词作用,可充当主语表语、宾语等。,He didnt know what to say.My question is when to startHow to solve the problem is very important,(宾语)(表语)(主语),注意:在与why连用时,只用于why或why not开头的简短疑问句中,后面
18、紧跟的动词不定式不带to。,Why not have a rest?,动词不定式几点注意事项:,1、在感官动词和使役动词后作宾补时,不定式可省略to,但以上词变为被动语态时,要加上to,I always saw her play violin.,He was made to work 12hours a day.,动词不定式省略to的情况:,使役动词和感官动词后:一感二听三让四看:feel/hear,listen to/let,make,have,/look at,see,watch,noticehad better(not)do sth.最好(不)做why not/why dont you
19、do sth 为什么不做?help sb.(to)do sth 帮助某人做 Would rather(not)do sth.宁愿(不)做 would you please(not)do sth.请你(不)要做情态动词+do 助动词+do,感官动词 see,watch,look at,notice,hear,listen to,feel,+do表示动作的完整性,+doing 表示动作的进行性。注意:被动语态中不能省去to。,区分下列词组:,see sb.doing/do sth.hear sb.doing/do sth.watch sb.doing/do sth.notice sb.doing/
20、do sth.,特殊词精讲:,stop doing/to do,stop to do停下来去做另一件事,stop doing停止正在做的某事。他们停下来吸烟。They stop to smoke.我必须戒烟了 I must stop smoking.,forget to do忘记要去做某事,forget doing忘记做过某事。办公室的灯还在亮着,他忘记关了。(没有做关灯的动作)The light in the office is still on.He forgot to turn it off.他忘记他已经关了灯了。(已做过关灯的动作)He forgot turning the light
21、 off.,forget doing/to do,remember doing/to do,remember to do 记得去做某事remember doing 记得做过某事记着放学后去趟邮局。Remember to go to the post office after school.你不记得以前见过那个人吗?Dont you remember seeing the man before?,go on doing/to do,go on to do做了一件事后,接着做另一件事,go on doing继续做原来做的事。After he had finished his maths,he we
22、nt on to do his physics.做完数学后,他接着去做物理。Go on doing other exercises after you have finished this one.做完这个练习后,接着做其他的练习,try doing/to do sth.,try to do sth.努力,尽力做某事Although maths is difficult,I will try to study it.try doing sth.试着做某事The machine couldnt work.Lets try repairing it.,2、动词不定式的否定形式为:not+to do
23、,Mr.Smith asked the boy _(not play)this kind of game.,not to play,Please have him _(not do)so much housework.,not do,3、不定式修饰的名词或代词和不定式逻辑上构成主谓关系时,不定式往往用主动形式。,Have you got a key to unlock the door?(A key unlocks the door),4、不定式和它前面被修饰的名词或代词构成逻辑上的动宾关系,又和该句主语构成逻辑上的主谓关系时,不定式常用主动形式。,I have got a letter to
24、 write,(I write a letter),He needs a room to live in,(He lives in a room),5、不定式作表语形容词的状语,和句中的主语构成逻辑上的动宾关系时,不定式多用主动形式,这是因为人们往往认为形容词后省去了for one或for people,He is hard to talk to,The book is difficult to understand,The question is easy to answer,现在分词与过去分词,两者之间的区别主要体现在时态和语态上:1.在时态上:现在分词表示正在进行,而过去分词表示已经完成
25、。2.在语态上:现在分词表示主动;而过去分词表示被动。总之,现在分词表主动、进行;过去分词表被动、完成。在句法功能上它们都可以作定语、表语、状语和宾补,它们的具体区别如下:,分词,1、作定语时,1.现在分词单独作定语,通常放在所修饰词前。例如:The sleeping boy is Tom.2.现在分词短语作定语放在所修饰词的后面,意思同定语从句差不多。例如:Tell the children playing outside not to make too much noise.=Tell the children who are playing outside not to make too
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