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人教版 (2019)Unit 4 Space Exploration优秀ppt课件
展开Sectin Ⅱ Discvering Useful Structures
语法点拨动词不定式具有名词、形容词和副词的特征,同时还保持动词的某些特点,在句中可以作主语、宾语、表语、宾语补足语、定语和状语。这里重点讲解动词不定式作定语和状语的用法。
动词不定式作定语和状语
以d为例,不定式的各种形式如下表:
一、动词不定式用作定语1.动词不定式作定语常放在名词或不定代词后面作后置定语,表示尚未发生的动作。Let us give him smething t eat.让我们给他一些吃的东西。We have much hmewrk t d tnight.今晚我们有很多作业要做。
2.名词前有first,last,next,nly等词以及最高级修饰时,其后要用动词不定式。She was the first wman t win the gld medal in the Olympic Games.她是第一个在奥运会中赢得金牌的女性。3.抽象名词attempt,ability,chance,desire,determinatin,decisin,plan,way或不定代词smething,nthing等后面常用不定式作后置定语。But Janis Adkins has the ability and desire t d useful wrk.但是詹尼斯·阿德金斯有能力和愿望去做有用的工作。
4.当名词与定语之间存在动宾关系时。I usually have a lt f meeting t attend.我通常有很多会议要参加。She is a nice persn t wrk with.她是一个很好的合作伙伴。
5.当名词与定语之间存在主谓关系时。We must find a persn t d the jb.我们必须找到一个人来做这项工作。We need smene t g and get a dctr.我们需要有人去请医生。6.当名词与定语有同位关系时。We gt the rder t leave the city.我们接到了离开这个城市的命令。
单句语法填空①The airprt _________________(cmplete) next year will help prmte turism in this area.②D yu have anything _______(d) tnight?③The best way ____________(imprve) yur English is t jin an English club.
t be cmpleted
二、动词不定式在句中作状语,主要用来修饰动词和形容词,也可用来修饰副词。在句中,不定式可作目的状语、原因状语、结果状语等,可表示目的、原因及结果等。1.目的状语,置于句首或句末,置于句首时常表示强调。为加强语气,常与in rder或s as组成短语。A grup f yung peple gt tgether t discuss this questin.一群年轻人聚在一起讨论这个问题。In rder t help him, we wuld d everything we can.为了帮助他,我们将尽我们所能。
不定式作目的状语(1)不定式作目的状语时,其动作通常迟于谓语动词的动作。I said that t encurage him.我这么说是为了鼓励他。(2)置于句首时只用t d/in rder t d。如用于表示否定,in rder或s as不能省略,用in rder nt t d或s as nt t d形式。I walked quietly s as nt t disturb the baby.我安静地走路,以免打扰婴儿。
(3)不定式作目的状语可转换为s that/in rder that或引导的目的状语从句。He wrked very hard t pass the exam.→He wrked s hard that he culd pass the exam.→He wrked hard s that/in rder that he culd pass the exam.他非常努力以便能通过考试。
2.原因状语,多见于“sb.+be+adj.+t d...”结构句中。I was very sad t hear the news.听到这个消息我很难过。3.结果状语,多见于“”;“enugh t...”;nly t d(表示意料之外的结果的发生); t(意为“如此……以至于……”)结构句中。I'm t tired t d well.我太累了做不好。
He is ld enugh t g t schl.他到上学的年龄了。He rushed back, nly t find the bk missing.他冲了回来,却发现书不见了。She is s prud as t lk dwn upn thers.她太骄傲了,看不起别人。
4.独立动词不定式多用作插入语,表示说话人的心理状态或对事情的看法。I'd like t stay healthy, but t be hnest, I nly eat fd that tastes gd.我想保持健康,但说实话,我只吃味道好的食物。
现在分词与不定式作结果状语的区别(1)动词不定式作结果状语强调的是一种意想不到的结果。Anxiusly, she tk the dress ut f the package and tried it n, nly t find it didn't fit.她急切地从包裹里拿出衣服试穿,结果发现衣服不合身。(2)现在分词作结果状语强调的是一种顺承的,必然造成的结果。His father passed away, leaving him a little mney.他父亲去世了,留给他一点钱。
单句语法填空①He came _________(shw) me his new science bk.②Our English teacher has many ways_________(make) her class interesting.③The dctrs are busy ding what they can _________(save) the dying man.④__________(catch) the early flight, we rdered a taxi in advance and gt up very early.⑤__________(avid) any delay, please phne fr yur rder directly.
⑥Smetimes I act as a listening ear fr fellw students _________(talk) ver what is bthering them.⑦I'll write dwn his telephne number s as nt ___________(frget)it.⑧This was the best bk fr him _________(read),which made him very happy.⑨I went inside, excited t tell grandpa abut what I'd dne, nly _________(find) he was sleeping.⑩Hwever, reading nvels is nt the nly way ____________(imprve) yur English.
语法专练单句语法填空1.(2020·天津卷)Greatness cmes frm a lasting desire____________ (explre).2.(2020·新高考全国Ⅰ卷)Her husband wrked tw jbs __________(cver) the bills, and her 68-year-ld mther helped take care f the children at times.3.(2020·浙江卷)Sme time after 10,000 BC, peple made the first real attempt ____________(cntrl) the wrld they lived in, thrugh agriculture.
4.(2020·天津卷)_________(help) us prepare fr the exam, the teacher suggested reading thrugh ur ntes.5.(2018·北京卷)During the Mid-Autumn Festival,family members ften gather tgether __________(share)a meal, admire the mn and enjy mn cakes.6.__________(catch) the early flight,we rdered a taxi in advance and gt up very early.7._________(make) it easier t get in tuch with us, yu'd better keep this card at hand.
8.(2019·江苏卷)The schl unifrms are fine, but nt special enugh _________(give) a unique Chinese flavur(特色).9.Many airlines nw allw passengers t print their barding passes nline _________(save)their valuable time.10.(2018·北京卷)The Aviatin Challenge prgram gives trainees the chance _________(earn) their Aviatin badge.
Ⅰ.单句语法填空1.The kind wman is easy ________(get) alng with and we all like her.2.He was t disappinted __________(speak)when he heard the news.3.The man dwnstairs fund it difficult________(get) t sleep.4.The astrnaut seems t have a lt__________(wrry) abut.5.I'm srry _________(keep) yu waiting there fr s lng a time.
6.He was the first ___________(arrive) and the last __________(leave) in ur cmpany.7.The best way ____________(imprve) yur English is t jin an English club.8.After schl we went t the reading rm t d sme reading,nly _________(tell) that it was being decrated.9.I had a chance __________(visit) the Great Wall last mnth.10.The girl was s kind as _________(help) the ld man ff the bus.
Ⅱ.根据提示完成句子1.He is the teacher ___________________________.他是下学期教我们英语的老师。2.I have nthing _________________________.我对这问题没什么可说的。3.The whle family went t beach ________________________.全家人去海滩度周末。4.We shall be very happy __________________________________.我们将很高兴在这个项目上与你合作。
t teach us English next term
t say n this questin
t spend their weekend
t cperate with yu in the prject
5.The next plane ___________ is frm New Yrk.下一班到达的飞机来自纽约。6.He is always ______________________ and last t leave the ffice.他总是第一个到办公室,最后一个离开。7.There are enugh chairs fr the guests ___________.有足够的椅子给客人坐。8.We are delighted _________ that yu're ging t visit us next mnth.很高兴得知你下个月要来看我们。
the first t cme t
9.The tea is __________________.这茶太热了,不能喝。10.He lifted a rck nly ____________________________.他搬起石头结果砸到了自己的脚。
t ht t drink
t drp it n his wn feet
Ⅲ.语法主题应用李华正在和同学张青谈论他的宇航员梦想,请根据语境和提示完成对话。Zhang:I 1.______________________(很高兴得知) yu are interested in the space explratin.Li:Indeed, I'd like t be an astrnaut in the future.Zhang:Sunds gd. 2.________________________(要想成为一名宇航员), yu need t satisfy the requirements f a qualified astrnaut.
am delighted t knw
T becme an astrnaut
Li:Yes.First f all, I shuld study hard 3.___________________ _________(为了得到一个相关的大学学位).Besides, I must take exercise every day 4._________________(来保持健康).Zhang:Exactly.Have yu heard Yang Liwei, wh is the first man in China 5.__________________(进入太空), went thrugh lts f mental and physical training.Li:Of curse.He is really a her.He realized ur dream 6.___________ _______ (探索太空).
t get a related cllege
t keep healthy
t g int space
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