高中英语选修unitGrammar不定式.pptx
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1、会计学1高中英语选修高中英语选修(xunxi)unitGrammar不定不定式式第一页,共41页。第1页/共41页第二页,共41页。三三. 用法用法(yn f)/ 功能功能To see is to believe.Its important to learn English well .(1). 主语主语(zhy)句型句型(j xn)转换转换To look after my pets properly takes a lot of time.It takes a lot of time to look after my pets properly .My job to help the pat
2、ient.Your task to clean the classroom.isis(2). 表语表语第2页/共41页第三页,共41页。I want to go home.I found it necessary to talk to him again.(3) 宾语宾语(bny)think/consider/find it + adj.+ to do 常用(chn yn)动词不定式作宾语的动词有:hope, refuse, learn, set outchoose, decide, agree, manage, pretend, plan. 第3页/共41页第四页,共41页。The teac
3、her told me to clean the blackboard.I expect you to give me some help.(4). 宾补宾补warn/ tell/ allow/ help/ ask/ force等+ sb. to do sth.第4页/共41页第五页,共41页。e.g. I made him do his work.He was made to do his work (by me).注意(zh y)1 help 后面(hu mian)的“to”可省去e.g. They often help the grandma (to) carry water.2 see
4、, hear, watch, feel, notice等感官动词 和let, make, have等使役(shy)动词后面, 不定式作宾语时要省“to” (注:被动语态不省to)第5页/共41页第六页,共41页。1. They saw the boy fall suddenly from the tree. The boy was seen to fall suddenly from the tree.Exercise:将下列(xili)句子改成被动语态2. Mother made John wash the car for a week. John was made to wash the
5、car for a week.第6页/共41页第七页,共41页。3 不定式用在介词不定式用在介词but, except, besides后时后时,如果这些介词前有行为动词如果这些介词前有行为动词do的的各种形式各种形式(do/did/does),那么那么(n me)介词后的不定式介词后的不定式不带不带to,相反则带相反则带to.(1). She could do nothing but cry.(2). I have no choice but to go.(3).What do you like to do besides sleep.第7页/共41页第八页,共41页。I have some
6、thing to say.He has a lot of homework to do .注意:如果不定式中的动词注意:如果不定式中的动词(dngc)是不及物动词是不及物动词(dngc),则不定式中要有介词则不定式中要有介词.He is looking for a room to live in .There is nothing to worry about.Eg:请给我一支:请给我一支(y zh)写字的笔写字的笔.Please give me a pen to write with.第8页/共41页第九页,共41页。1. 不定式做定语不定式做定语(dngy)时常放在被修饰的名词或时常放在被
7、修饰的名词或代词代词 之后之后 (1)She was very busy and had no time to visit her friends. (2)Ladies and gentlemen ,I have something important to tell you . 2. 当名词被当名词被the first ,the last, the only 等词以及等词以及 形容词最高级修饰时形容词最高级修饰时 eg: She is always the first to come and the last to leave.(5). 定语定语(dngy)第9页/共41页第十页,共41页。
8、4. 如果不定式是不及物动词如果不定式是不及物动词,则后面则后面(hu mian)需适当需适当的介词的介词 Please pass me some paper to write_. She has a nice pen to write _. He bought a flat for the family to live _.onwithin3.也可用在have to do和there be句型(j xn)中。 There is no one to take care of her. I have no jewelry to wear.第10页/共41页第十一页,共41页。3.3.结果结果(j
9、i gu)(ji gu)状语状语: : We hurried to the station only to find the train had left.only to doonly to be done表示意外表示意外(ywi)的的结果结果1. We hurried to the station only to find the train had left. 2. We hurried to the station only to be told the train had left.第11页/共41页第十二页,共41页。I came here to see you.He got up
10、early to catch the train.(6) 状语(表示状语(表示(biosh)目的或结果)目的或结果)in order to , so as to ,enough to ,too.to.,only to , (表达意想不到(y xing b do)的结果)Eg:We hurried to the station only to find the train had left.第12页/共41页第十三页,共41页。(7).独立独立(dl)结构结构to be frank, to be honest,To tell the truth, I dont agree with you.类似
11、(li s)的结构第13页/共41页第十四页,共41页。(8)不定式与疑问词不定式与疑问词who,which, when, how, what等连用,在句中起名词作用等连用,在句中起名词作用(zuyng),可充当主语、表语、宾语等。,可充当主语、表语、宾语等。He didnt know what to say. . How to solve the problem is very important. . My question is when to start. . (宾语(bny) (主语(zhy) (表语) Why not do ?第14页/共41页第十五页,共41页。第15页/共41页
12、第十六页,共41页。Identify its function.(subject)(subject)(predicative)想一想想一想第16页/共41页第十七页,共41页。(attribute)(attribute)(object)(object)第17页/共41页第十八页,共41页。(adverbial)(adverbial)(object complement)第18页/共41页第十九页,共41页。第19页/共41页第二十页,共41页。1. My teacher was made _ his teaching because of poor health.A. giving up B.
13、 to give up C. give up D. given up2.The sentence wants _ once more.A. explained B. to explain C. being explained D. explaining3.The Arctic is considered _ the northern part of the Atlantic.A. having been B. to have beenC. to be D. beingwant/need/require 用doing的形式表示(biosh)被动 want doing=want to be don
14、e 这句句子需要再被翻译一次 第20页/共41页第二十一页,共41页。?4.The Emperor ordered the wonderful cloth _ for him without delay.A. to have woven B. to be wovenC. to be weaving D. to weave?5.I found the German language hard _.A. learned B. learning C. to be learned D. to learn?6.The light in the office is still on. - Oh, I fo
15、rgot _.A. turning it off B. turn it offC. to turn it off D. having turned it off第21页/共41页第二十二页,共41页。 doing sth. doing sth.记得曾记得曾经做经做第22页/共41页第二十三页,共41页。7.-How do you deal with the disagreement between the company and the customers? -The key _ the problem is to meet the demand _ by the customers.A. t
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