Unit 4 第3 课时Grammar(知识精讲+分层练习)(学生版).pdf
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1、第 1 页 共 8 页 Unit 4 Growing up 第第第第第课时课时课时课时课时3Grammar一、状语从句一、状语从句一、状语从句一、状语从句一、状语从句(I)【精精精精精讲讲讲讲讲】引导时间状语从句的连词有:while,when,as,as soon as,till,until,notuntil,before,after,since,重点重点重点重点重点词组词组词组词组词组 1.2.练习打篮球好几个小时感觉精疲力尽 3.4.20下班回家一直等分钟 5.6.他的梦想成真从不放弃 7.8.NBA对篮球认真有史以来最优秀的中国篮球运动员 9.10.几乎不懂英语他职业生涯最辉煌的时刻 1
2、1.-12.在与的对抗赛中只要一有需要 13.14.结束篮球生涯做了很多慈善工作15.尤其为中国贫困青少年重点重点重点重点重点句型句型句型句型句型1.当我在看足球比赛的时候,收到了来自我亲戚的电话。2.自周四以来 这是我们第一次上体育课。,3.昨天学生们一看见来宾 就停下来打招呼。,4.无论何时中国需要姚明 他就会返回。,5.今晚我直到看完我最喜欢的电视节目才睡觉。知识点睛目标导航第 2 页 共 8 页 whenever,etc.时间状语从句连词例句说明when When I came into the room,he was writing a letter.当我进屋时,他正在写信。when
3、“”指的是 某一具体的时间。while While it was raining,they went out.正当天下雨的时候,他们出去了。I stayed while he was away.他不在的时候而我在。然而()All of us are working hard while he issleeping.()然而,并列连词 指 在某一段时间里,while“”“在期间,有时表示主从句的轻微”转折,译为:“”然而 引导的动作必须是while持续性的。as He hurried home,looking behindheaswent.他赶快回家,一边走一边向后看。As time goes
4、by,I like China better.随着时间的流逝,我越来越喜欢中国。(译为)引as“一边一边”导持续性动作,强调主句和从句的动作同时发生;译为as“随着”before I finished my taskI went home.before我做完作业才回家。Be a pupil before you become ateacher.先做学生,再做先生。在以前.after He arrived.after the game started比赛开始后,他到了。after“”在之后tilluntil We waited till(until)he came back.我们一直等到他回来。
5、She elevendidnt stop working until oclock.她直到点钟才停止工作。11 Until he had passed out of sight,she stood there.如主句动词是持续性动作,常用,表示 直到为止;肯定式“”表 示notuntil“直 到 才在以前不”“”。主句通常用。这时瞬间动词until 可用替换。before 【例】He didnt leave until/before第 3 页 共 8 页 1.-Mr.Smith,please teach me how to draw on the computer today.-Oh,no._
6、.You have to get familiar with the keyboard first.A.Its never too old to learnB.Think twice before you do C.Dont be a wet blanketD.Learn to walk before you run 2.When will she go home?她站在那里看着,直到看不见他的身影。I came back.有时可用代替never,nothingnot.如果从句放在句首表示强调,一般用不用until,till.since Great changesin Chinahave ta
7、ken place since 1978.自从年以来中国发生了巨大的变1978化。主句动词为持续性的,从句动词为瞬间的。如果状语从句在主句之前时一般用逗号与主句分开;如果从 句在主句之后则不必用标点符号。as soon as As soon as I arrive in Shanghai,Ill write to you.我一到上海就给你写信。My brother went out as soon as I gothome.Ill phone you as soon as I arrive inTonghua.as soon as 表示主句发生的动作 发生在从句动作之后,意为“”一就。如果主句
8、是一般将来时,情态动词加动词原形或祈使句时,时间状语从句用一般现在时。当主句是一般过去时,从句一般也用一般过去时,简言之:主主主主主将将将将将从现;从现;从现;从现;从现;主过从过主过从过主过从过主过从过主过从过Whenever Whenever he sees the book,he will think of the good memory.无论何时,他看到那本书,他都会想起美好的记忆。whenever=no matter when无论何时第 4 页 共 8 页 She _ home_ she finishes her homework.A.wontgo;before,B.goes,;be
9、fore C.wont go;untilD.go,;after 3.-Could you tell me _?-Sorry,I dont know.I will call you _.A.when your brother comes back;when he will come back B.when your brother will come back;when he comes back C.when your brother comes back;when he comes back D.when your brother will come back;when he will co
10、me back4.一 What were you and your parents doing_it began to rain last night?一 I was doing my homework_my parents were watching TV.A.when;whenB.while;whileC.when;whileD.while;when 5.She didnt go to work _ that morning.She slept _ noon.A./tillB.ontillC.atatD./at 6._ will the meeting between the two Na
11、tional leaders last?_ they reach an agreement.A.When,UntilB.When,Not until C.How long,UntilD.How long,Not until 7.The Greens have_ the flat in the centre of city_ five years ago.A.bought;sinceB.bought;forC.had;sinceD.had;for 8.He called me _ he started.And _ he arrives,Ill meet him at the airport.A.
12、after;becauseB.before;as soon as C.while;whenD.until;as soon as二、重点单词二、重点单词二、重点单词二、重点单词二、重点单词 【精讲】【精讲】【精讲】【精讲】【精讲】1 againstprep.;.;对抗 与相反 违反 against“;.;”,for,“;”是一个介词,意为 对抗 与相反 违反 其反义词为意为 支持 拥护。e.g.We are playing against the league champions next week.下周我们要和联赛冠军队比赛。第 5 页 共 8 页 We were rowing against
13、 the current.我们正划船逆流而上。Are you for or against the proposal?你支持还是反对这个建议 拓展拓展拓展拓展拓展 against 的其他常见用法 对不利 证据对他不利。.The evidence is against him.紧靠 倚 碰 撞把钢琴放在那儿 紧靠着墙。;Put the piano there,against the wall.,以防他们采取了防火措施。They took actions against fire.When you visit a museum,some instructions should _and wed b
14、etter not_ them.A.pay attention to;be againstB.be paid attention;against C.be paid attention to;againstD.be paid attention to;be against三、重点句型三、重点句型三、重点句型三、重点句型三、重点句型【精讲】【精讲】【精讲】【精讲】【精讲】(1)They can be placedor in the middle of sentences.at the beginning at the beginning of“”“at the end of”“/”意为 在之初,
15、反义词短语为意为 在末尾 尽头。At the beginning of 1975 he came back to China.(2)Before and after can alsoprepositions of time.be used as be used as“”意为 被用作。例如:The big table can be used as a bed.English is used as a very useful working language.【拓展】常见的短语used 1.be used to do sth.被用来做某事 2.be used for doing sth.被用来做某
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