《动词不定式的用法(共26张)课件.pptx》由会员分享，可在线阅读，更多相关《动词不定式的用法(共26张)课件.pptx（26页珍藏版）》请在三一办公上搜索。
1、2018中考英语考点复习,1,2018中考英语考点复习1,考点梳理,to do的用法动词不定式的构成： to动词原形(有些动词不定式需要不带to)。它没有人称和数的变化；在句中不能作谓语，但能保持动词的特点。,2,考点梳理 to do的用法2,1作主语常用it作形式主语，将真正的主语(动词不定式)置于句末。常用句型结构为“Itsadj./n.(for/of sb)to do sth.”如：,To ask the teacher for help is necessary. It is necessary to ask the teacher for help.向老师求教是必要的。,3,1作主语
2、常用it作形式主语，将真正的主语(动词不定式)置,2作宾语(1)后接不定式作宾语的动词有： want, try, decide, hope, need, wish, agree, expect, refuse, learn，remember, forget, would like/love等。如：,I hope to get there before dark. 我希望天黑以前到那儿。,4,2作宾语(1)后接不定式作宾语的动词有： want, t,(2)在think, find, make等动词后通常用it作形式宾语，而把不定式移至形容词之后，构成“主语动词it(形式宾语)宾补(形容词/名词)
3、不定式”结构。如：,I found it difficult to solve the problem. 我发现解决这个问题很难。,5,(2)在think, find, make等动词后通常用it,3作定语(须后置),I dont have a partner to practice English with.我没有一个一起练习英语的同伴。I have something to tell you .我有一些事情要告诉你。,6,3作定语(须后置)I dont have a part,4作表语,Their duty is to look after the animals. 他们的责任是照顾动物。
4、,7,4作表语Their duty is to look af,5、作状语不定式作状语，常见的有目的状语、原因状语、结果状语等。,To improve your English, you must keep practicing every day.为了提高你的英语，你必须每天练习。,8,5、作状语不定式作状语，常见的有目的状语、原因状语、结果状,Later he left home to work in different cities. 后来他离开家到不同的城市工作。,9,Later he left home to work in,6作宾语补足语(1)后面能接带to的不定式作宾补的动词有：
5、 tell, ask, allow, want,wish, teach, warn, invite, like, encourage等。如：The teacher always encourages us to learn English well.老师经常鼓励我们好好学习英语。,10,6作宾语补足语(1)后面能接带to的不定式作宾补的动词有,(2)在使役动词let, make, have和感官动词see，hear, watch, notice, feel, find等后要用不带to的动词不定式作宾补。但是，当上述动词变为被动语态后，其后的不定式必须补上to。如：We often hear h
6、er sing. 我们经常听见她唱歌。被动语态： She is often heard to sing.她常被听见唱歌。,11,(2)在使役动词let, make, have和感官动词se,知识延伸“疑问词不定式”结构动词不定式可以和疑问词what, which, when, where, how等连用，构成不定式短语，在句中作主语、宾语、表语、宾语补足语等。如：,12,知识延伸“疑问词不定式”结构动词不定式可以和疑问词wh,He doesnt know what to wear . 他不知道要穿什么。(作宾语)Where to go has not been decided.要去哪里还未决定
7、。(作主语),13,He doesnt know what to wear .,提醒 动词不定式的否定结构是： not to do sth。,14,提醒 动词不定式的否定结构是： not to do st,知识小结,15,知识小结（to ） do用法主语 、宾语、15,考点过关用所给词的适当形式填空,1Its very nice of you _ (help)me.2We decided _ (visit) the Great Wall.,to help,to visit,主语,宾语,16,考点过关用所给词的适当形式填空to helpto vis,4. The problem is （find
8、） a solution.5. That will be the only thing （do） now.6. We jumped with joy （hear） the news.,to find,to do,to hear,表语,定语,状语,17,4. The problem is （f,7.They encouraged her （try） again.8.I heard her （sing） today She sang wonderfully9.Do you know how （play） football?,to try,sing,to play,疑问词,宾补,宾补,18,7.Th
9、ey encouraged her,真题回顾完成句子,57. 每天读书是个好习惯。 Its a good habit to every day.（陕西省 2012中考）,read books,19,真题回顾完成句子57. 每天读书是个好习惯。read b,真题回顾短文填空,As time went by, people all over the world began to 69. about Bethany and her story.（陕西省 2012中考）,know,20,真题回顾短文填空As time went by, peop,真题回顾完形填空,You dont need to te
10、ll me 39 to do.39. A.how B.what C.why D.whether（陕西省 2015中考）,21,真题回顾完形填空You dont need to tel,真题回顾完成句子,59. 请访问我们的网站，来购买特别的礼物。Please visit our website to .（陕西省 2015中考）,buy special gifts,22,真题回顾完成句子59. 请访问我们的网站，来购买特别的礼物,真题回顾完成句子,56. 我想邀请他参加我们的俱乐部。I want to join our club.（陕西省 2016中考）,to invite him,23,真题回顾完成句子56. 我想邀请他参加我们的俱乐部。to,真题回顾短文填空,One day just before the summer vacation, he came to 68 some art books.（陕西省 2016中考）,borrow,24,真题回顾短文填空One day just before t,Homework在课本中找出含有to do以及do的句子各五个，并注明其在句中所起的作用。,25,Homework25,Goodbye,26,Goodbye26,
