人教版九年级全册《英语》中考复习语法专项突破：不定式 ppt课件.pptx

1、ReviewReview动词动词不定式不定式导图归纳分类详解用法口诀单选检测345一一.不定式不定式作主作主语语To be a doctor is hard.做医生很难。To learn English well is not easy.学好英语不容易。动词不定式（短语）作主语时，为了避免句子的头重脚轻，可以用用“itit”作形式主语作形式主语，而把真正的主语动词不定式（短语）放在句子的后部。例如上面的句子可以表示为：It is hard to be a doctor.It is not easy to learn English well.再如：Its important to plant

2、trees in spring.6一一.不定式不定式作主作主语语如果如果动词不定式的动作是谁做的，可以动词不定式的动作是谁做的，可以在动词不定式前面加一个由在动词不定式前面加一个由介词介词forfor引导的短语引导的短语，称为不定式，称为不定式的的逻辑主语逻辑主语。例：例：Its good for us to read English aloud in the morning.Its good for us to read English aloud in the morning.对我们来说每天早晨大声读英语是很有益的。对我们来说每天早晨大声读英语是很有益的。It is important f

3、or students to use English every day.It is important for students to use English every day.对学生来说每天使用英语是很重要的。对学生来说每天使用英语是很重要的。7一一.不定式不定式作作表表语语动词不定式（短语）作表语常用于系词动词不定式（短语）作表语常用于系词bebe的后面。例：的后面。例：His work is to drive a car.His work is to drive a car.他的工作是开车。他的工作是开车。My job is to feed animals.My job is to

4、feed animals.我的工作是饲养动物。我的工作是饲养动物。8三三.不定式不定式作作宾宾语语动词不定式（短语）可以放在一些动词后面用作宾语。例：I want to tell you a story.我想给你讲个故事。They begin to work at eight every morning.他们每天早晨8点开始工作。Dont forget to lock the door.别忘了锁门。9三三.不定式不定式作作宾宾语语 Would you like to go and have a picnic with us tomorrow?明天和我们一起去野餐好吗？*如果and连接两个动词不

5、定式，第二个动词不定式一般省“to”例：He wants to go and have a swim with us.他想和我们一起去游泳。10三三.不定式不定式作作宾宾语语可用it作形式宾语。I find it interesting to learn English with you.我觉得和你一起学英语很有趣。He found it hard to catch up with others.他觉得赶上别人很困难。11四四.不定式不定式作作宾宾语语补足语补足语 动词不定式作宾语补足语，表示宾语所做的动作，可以用动词不定式作宾语补足语的动词有：tell,ask,want,like,invit

6、e,encourage,help等。The teacher asked us to read English for half an hour in the morning.老师让我们早晨读半小时英语。The teacher often tells Jim not to spend too much time playing computer games.老师常告诉Jim不要花太多时间玩电脑游戏。12四四.不定式不定式作作宾宾语语补足语补足语在let,make,see,watch,hear,feel,notice,have等感官听觉动词或使役动词后面作宾语补足语的动词不定式一般要省略动词不定式

7、符号“to”。I saw the students play basketball on the playground yesterday.昨天我看见学生们在操场打篮球。如果将主动语态变为被动语态时，作宾语补足语的动词不定式变为主语补足语，动词不定式则不省“to”，即原来省的再加上，例：The boy made the baby cry.The baby was made to cry by the boy.那个孩子被男孩弄哭了。13以下是带以下是带toto的动词不定式常见搭配的动词不定式常见搭配1.希望做某事hope to do sth.2.决定做某事decide to do sth.3.同

8、意做某事agree to do sth.4.需要某人做某事need to do sth.5.使用某物做某事use sth to do sth 6.迫不及待做某事cant wait to do7.准备做某事get/be ready to do 8.尽力/努力做某事.try to do sth10.计划做某事plan to do sth.11.教某人做某事teach sb.to do sth12.轮流做某事take ones turns to do sth.13.拒绝做某事refuse to do sth.14.告诉某人做某事tell sb.to do sth.15.请某人做某事ask/invit

9、e sb.to do sth.16.希望某人做某事wish sb.to do sth 17.想要某人做某事want/would like sb.to do sth.18.同意某人做某事agree sb.to do sth.19.不得不have to do20.喜欢/想要某人做某事 like sb.to do sth.21.帮助某人做某事help sb.to do sth/help sb.do22.鼓励某人做encourage sb to do 14五五.不定式不定式作作定语定语动词不定式作定语常用来修饰名词或不定代词，放于所修饰的词后，为后置定语。例：Who was the first one

10、 to arrive?谁第一个到的？The best way to learn English is to use it.学英语最好的方法是使用它。When is the best time to plant vegetables?什么时候是种植蔬菜的最好时间？Do you have something to drink?你这有喝的吗？15五五.不定式不定式作作定语定语动词不定式（短语）作定语修饰名词时，与其所修饰的词具有一种动宾关系，如果不定式中的动词为不及物动词时，其后应加上一个含义上所需要的介词。例：I have no chair to sit on.我没有椅子坐。He has no h

11、ouse to live in.他没有房子住。16六六.不定式不定式作作状语状语动词不定式作目的状语常用在go,come,hurry等不及物动词后，表目的。He went to see his sister yesterday.他昨天去看妹妹了。They got up early to catch the early bus.他们早起去赶早班车。有时可以把不定式（短语）提前，放于句首，表示强调目的。例：To early English quickly and well,he went to England.为了更快更好地学英语，他去了英国。17六六.不定式不定式作作状语状语动词不定式还可以做原

12、因状语、结果状语。原因状语：放在sorry，glad，surprised，disappointed，excited等词后面。如：I am glad to see you here I am sorry to trouble you 作结果状语如：Some of the apples are hard to reach The room is large enough to hold 1000 people18七七.不定式与疑问词连用不定式与疑问词连用 不定式和疑问词连用，可以作句子的主语、宾语、表语等。例：The problem is where to get a computer.（表语）N

13、o one knows how to do it.没有人知道如何做这件事。（宾）I really dont know which one to choose.（宾）我真的不知道选哪一个。When and where to have the party is not known.（主语）何时何地举行联欢还不知道。19七七.不定式与疑问词连用不定式与疑问词连用 不定式和疑问词连用作宾语时有时可以改为宾语从句。例：I dont know what to do next.我不知下一步该做什么？I dont know what I should do next.20 不定式用法口诀总结不定式用法口诀总结

14、21顺口溜：本领最多不定式，主表定补宾和状；样样成分都能干，只有谓语它不敢；大家千万要小心，有时它把句型改；作主语时用it，自己在后把身藏；七个感官三使役，宾补要把to甩开；疑问词后接上它，宾语从句可充当；逻辑主语不定式，不定式前加forsb.；to前not是否定，各种用法区别开。不定式用法口诀总结不定式用法口诀总结22不定式作宾语补足语时省to的动词【速记口诀】一感，二听，三让，四看，半帮助【诠释】一感：feel；二听：hear，listento；三让：make，let，have；四看：see，notice，watch，ob-serve；半帮助：help。不定式用法口诀总结不定式用法口诀总结

15、23接不定式作宾语的动词【速记口诀】三个希望两答应，两个要求莫拒绝；设法学会做决定，不要假装在选择。【诠释】三个希望两答应：hope，wish，want，agree，promise两个要求莫拒绝：demand，ask，refuse设法学会做决定做决定：manage，learn，decide不要假装在选择：pretend，choose241.He told her _ go out at night.A.notB.dontC.doesntD.not to2.None of us know _ it.A.how doB.what doC.how to doD.what to do3._ to a

16、good college,you must study hard.A.To goB.GoingC.GoD.To going4.The boy was made _ his homework the whole night.A.to doB.doC.doingD.for doing5.He came there _ his friends.A.seeB.seeingC.to seeD.has seen 动词不定式动词不定式练习练习 256.Her parents _ her to be a doctor.A.hopeB.wishC.adviseD.agree7.We hope the teach

17、er will _ us do our work.A.teachB.showC.help D.tell8.Be careful _ on the ice.A.to not fallB.not to fallC.not fallingD.falling not9.Can you tell _ to the post office?A.how to getB.to get howC.to how getD.get how to10.Have you decided _ for your holiday?A.where goB.where to goC.where goingD.where goin

18、g to动词不定式动词不定式练习练习 2611.He didnt let her children _ by the river.A.playB.playingC.playedD.to play12.We agreed _ here but so far she hasnt come yet.A.to meetB.meetingC.meetD.to meeting13.Paul doesnt have to be made _.He always works hard.A.learnB.to learnC.learnedD.learning14.I have too much work _ to your party.A.to do to comeB.doing comingC.to do comingD.to do coming动词不定式动词不定式练习练习