【中考复习】【动词不定式】课件PPT
展开不定式作主语时,通常用it作形式主语,把真正的主语放在后面。1、It is +adj. fr/ f sb. t d sth.fr: adj.多为描述不定式行为的特征(imprtant/ necessary / interesting 等.)f: adj. 多为 描述主语的品质特征(kind / nice / friendly / wise / flish 等.)It is easy fr her t learn English well.It is clever f yu t slve the prblem.
作主语2、It is + n. (fr sb) t d sth.
It is my pleasure t help yu with yur English.It's ur duty _________ the rm every day. A. t clean B. cleaned C. clean D. cleans(甘肃省)
作主语3、It takes sb. sme time t d sth.
It takes me three hurs t finish the hmewrk every day.我每天花去三个小时完成家庭作业。
(对)T see is t believe. 百闻不比一见。(错)It is t believe t see. 注意:当不定式作主语的句子中又有一个不定式作表语时,不能用It is…t…的句型 。
1、It is necessary ______us t learn t wait. 2、It was careless ______me t break the cup .3、It tk them 1,000 yuan _________this table. 4、It is my pleasure _________ the bx fr yu.5、It is ur turn_________________________6、T waste time is t shrten life.
t clean the classrm.
1、动词+ t d sth.常用动词有:want / wish / like / wuld like / hpe / plan / try / decide / learn / need / agree / begin / start / frget / remember / manage / seem / fail/ manage/ prmise等
1、I hpe t finish it tmrrw . 2、She plans t g and teach in the cuntry.
2、动词+疑问词+t d
I dn’t knw____________ next. She can’t decide_________________.
我不知道接下来该做什么。
which bk t buy
1、Dn’t frget _________________.(关灯)2、I happened ________when he called me. (出去)3、I dn’t want________________. (依赖别人)4、Sam is learning________________. (怎样开车)
t turn ff the light
t depend n thers
hw t drive a car
三、作宾补-对宾语进行补充说明
常用动词有:ask, tell, allw, want 等
1、动词 + 宾语(sb./sth.) + t d sth.
1、The teacher asked her t answer the questin. 2、The dctr tld me t have a gd rest.
动词多为感官动词、使动词。一感:feel二听:hear, listen t三使:make, let, have四看:see, ntice, watch, lk at
2、动词+宾语+不带t的不定式
Jhn’s mther makes him play the pian every day.
Jhn _________ play the pian every day.
1、Let him _______ the wrk at nce. (finish / t finish)2、D yu like listening t ther peple______? (talk / talking/t talk ) 3、Jim was seen _________the rm. (enter /t enter )4、Please tell her _________here n time . (cme / t cme)
I have a lt f wrk t d. I want t find smething t drink.
不定式为不及物动词时后面应有必要的介词。
I’m lking fr a htel _________.A. stay B. stay at C. t stay D. t stay at
He hasn’t gt a huse t live_____.
I have n pens t write _______.
1、原因状语: 主语 + be + adj.(表情感) + t d sth. (happy/ glad/ angry / srry / sad /afraid 等)
I’m srry t hear that.
I’m glad t see yu.
The sldier ran int the rm t save the girl .
Many parents send their children abrad ___________________.(深造学习)
t further their studies
3、结果状语 t + adj./adv. +t d enugh t d sth.
Yu are t yung t d this jb.
He ran fast enugh t catch the bus.
1、主语 + be + t d sth 主语多为 duty / wish / hpe / idea / plan / ambitin/ dream / wrk / jb 等 名词
1、My ambitin is t be a singer. 2、His wrk is t clean the classrm every day.
我的梦想是成为一名歌手。他的工作是每天清扫教室。
T see is t believe.百闻不如一见。
不定式与疑问词wh,which, when, hw, what 等连用,在句中起名词作用,可充当主语、表语、宾语等。
He didn’t knw what t say.他不知道说什么。(宾语) Hw t slve the prblem is very imprtant.如何解决这个问题很重要。(主语) My questin is when t start.我的问题是什么时候开始。(表语)
在与why连用时,只用于why或why nt开头的简短疑问句中,后面紧跟的动词不定式不带t。 Why (nt) have a rest?
1、习惯于be used t _______ 被用于be used t _______Water is used t _____ (put) ut fires.I am used t _______ (take) a walk after supper.2、prefer …t… 比起……来更喜欢 比起游泳来,我更喜欢跑步。I prefer ________ t ___________.3、lk frward t 期待,盼望I’m lking frward t _______ (visit) Beijing again.
介词 t 与不定式 t 的区别
running swimming
动词不定式结构 带t的结构 省t的结构动词不定式的用法 作主语 作宾语 作宾补 作定语 作状语 作表语 与疑问词连用
give ut=hand ut“分发”,“散发” Supermarkets give ut the plastic bags every day. 超市每天分发塑料袋 give in 屈服 We humans can s easily give in t ur vices(恶习). 我们人类很容易向一些恶习妥协让步。give back 归还;返回 Finally, I give back t help thers, which reinfrces my knwledge. 最后,我返回来帮助其他人,进一步巩固我的知识 give away(1)赠送,分发 They like t scialize and give away presents. 他们喜欢社交活动,喜好发放礼物。(2)泄露;背叛 He gave away infrmatin that shuld be kept secret.give up 放弃 I was nt ready t quit and give up my dream.give ff 放出(液体、气体、雾、烟等) If plastic is burnt, it'll give ff pisnus gases. 塑料焚烧的时候将会产生有毒气体。
take back 拿回;撤消 take dwn 记下;拿下take ff 起飞;脱下;离开 take up 从事;占据take care 当心;小心 take place发生;举行take ut 取出;去掉 take away 带走;拿走;取走 take after与……相像Take back cntrl and anything is pssible. 夺回控制权,任何事情都是可能的。The by seems t take after his father. 那个男孩看起来像他的父亲。
up 短语clean up打扫(或清除)干净 cheer up(使)变得更高兴;振奋起来give up 放弃 fix up 修理set up 建立 ,创立 put up 建造;举起;张贴call up 打电话给(某人);征召 stay up 熬夜 cme up with (1)提出;想出(主意、计划、回答等) We cme up with an idea.(2)赶上 We came up with ur friends. take up (1)占据(时间,地方)It can take up the whle day t finish my paper.(2)开始从事 Why did yu take up this prefessin?(3)继续 Let's take up the task.
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