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9年级上册Unit5Grammar教案【语法概述】because引导的原因状语从句since和as引导的原因状语从句【语法直通车】用because来阐述原因我们用beacuse来引导原因状语从句,其语气较为强烈表示直接的因果关系,常常位于主语之后TIP在含有because的句子中我们从不使用连词so例句Ilikelisteningtomusicbeacuseitmakesmefeelrelaxed.IlikepatingbecauseIlikeallthedifferentcolours.Helovesthesoundsoftherushingwaterandtheblowingwindbecausetohimthebestmusiccomesfromnature.练习用because连接下列句子例如Iwanttokeepmyhealthy.Ilikerunning.IlikerunningbeacuseIwanttokeepmyhealth.Heisntatschool.Heisill.Theboysfamilyispoorhisfamilycantaffordhiseducation.Tomhasseenthefilmseveraltimes.Tomwontgotoseethefilm.JacksonwastheKingofpop.IloveJackson.用because来回答why引导的疑问句例句Millie:WhydoyouloveMichaelJacksonDaniel:BecausehewastheKingofPop.用since和as来阐述某事物的原因通常这些原因都是“已经知道”的since和as引导原因状语从句,常常位于主句之后语气比because弱TIP since和as的用法相同,且在意思上没有差别一例句Sincehehadnomusicalinstrumentsthenhemademusicwithcommonobjectslikestonesandpaper.AshelikesthesoundsofnatureTanusesthemalotinhismusic.练习用since/as连接句子Kmstillalive.Imusttrytocalmdown.Tanusesthemalotinhismusic.Helikesthesoundsofnature.Letmegoinstead.Youaretired.Youllbepunished.Youoftenmakemistakes.【语法突破】because引导的原因状语从句解析原因状语从句是指在复合句中表示主句动作发生原因的句子引导原因状语从句的从属连词主要有beacusesince、as等because意为“因为”,表示动作发生的直接原因,语气最强,用来说明人们不知道的原因,回答why提出的问题一般放在主句之后,也可单独存在当原因是显而易见的或者已是人们所知时候,就用as或since»一Whydidntyougotoschoolyesterday你昨天为什么没去上学?—BecauseIwasill.因为我生病了»Sinceeverybodyishereletsbeginourmeeting.既然大家都在这里,那我们开始开会吧拓展beacuseof表示“因为,后面不能接句子,可接名词(短语)、代词、动名词(短语)»Hewaslateforschoolbecauseoftheheavyrain.由于下大雨他上学迟到了提醒汉语中习惯说“因为……所以……”,但英语中不能够将so和because连用例如因为下大雨,所以我们待在家里正确说法Becauseitwasrainingwestayedathome./ltwasrainingsowestayedathome.错误说法Becauseitwsrainingsowestayedathome.since和as引导的原因状语从句例句»Sinceheasksyouyouhadbettertellhimwhy.既然他问你了,你最好告诉他为什么»Wealllikeherassheiskind.我们都喜欢她,因为她善良【语法百宝箱】WhydopeoplethinkhighlyofTansmusic人们为什么对谭盾的音乐高度评价?解析:thinkhighlyof动词短语意为“高度评价”,相当于speakhighlyofhighly为副词意为“高度地;高地”»AmyandMichaelthoughtoftheschool.辨析例句»Heclimbedveryhigh.他爬的很高»HethinkshighlyofTomsidea.他高度评价汤姆的主意Wedbetterbequicksince/astheoperawillbeginin20minutes/Kittysuggested.“我们最好快点,因为歌剧将在20分钟后开始Kitty建议道解析in20minutes介词短语,意为“20分钟后”固定结构“in+一段时间”,表示“在某段时间之后”,常用于一般将来时»Iwillcomebackinhalfanhour.我将在半个小时后回来拓展在一般将来时中,对“in+一段时间”结构提问,要用howsoono»---Howsoonwilltherainleave火车多久后离开一Intenminutes.十分钟后3・〃lmlatebecausetherewastoomuchtraffic/shesaidoutofbreath.“我快要迟到了,因为路上太堵了J她气喘吁吁地说解析outofbreath意为“上气不接下气breath名词意为“呼吸”其动词为breathe意为“呼吸”»Heransofastthathewasoutofbreath.他跑的如此之快以至于都喘不过气了含有breath的短语holdonesbreath屏住呼吸loseonesbreath喘不过气takeadeepbreath深呼吸例句»Weheldourbreathinexcitement.我们激动地屏住呼吸
4.Theoperalastedforoneandahalfhours.这场歌剧演了一个半小时解析last动词,意为“持续”,是不及物动词,后面通常接由介词for引导的时间状语for可以省略»Theperformancelastedfor3hours.表演持续了3个小时拓展last形容词,意为“最近的;上一个的;最后的二»Idreamedaboutflyinglastnight.我昨晚梦见自己在飞last副词,意为“最后;最近一次”»Hecamelastintherace.在比赛里他是最后一名练习题:
一、单项选择
1.IusedtoliveneartheseaIwasachild.A.sinceB.ifC.whenD.until
2.WedidntgototheshowA.soB.becauseC.becauseofD.for
3.Everyoneishereletsstartourmeeting.A.becauseB.sinceC.becauseofD.As
4.LesMiserables^isawonderfulfilm..Iveneverseensuchamovingfilmbefore.A.ImafraidthatsnottrueB.IdontlikeitatallC.I’mnotsureifyouarerightD.Ithinksotoo.
5.-Excuseme.DoyouhaveatablefortwoTmsorrytherearentanyseatsnow.WouldyoumindforawhileA.butwaitingB.andwaitC.orwaitingD.buttowaitcoldwinternight.A.withbyinB.bybyonC.withbyonD.inbyin
7.Youdbetterheretheheavyrain.A.nottoleave;becauseB.notleave;becauseC.notleave;becauseofD.nottoleave;becauseof
8.IntheUKawomanusuallydoesntliketobeaskedA.whethershehadbeenmarriedB.whatisherageC.howmuchsheweighsD.whereshecomesfrom
二、词汇检测根据下列句子及所给汉语注释或通过上下文,写出空缺处各单词的正确形式每空只写一词控制myfeelingsfromtimetotime.Doyouknowhowlongthebadweatherwill(持续)?Haveyoufoundanything(令人愉快的)?Different(物体)havedifferentshapes.Drinkingteaisa(n)(传统的)custominChina.Afterthematchwewill(颁发)amedaltothewinner.一Howdoesthephotocomefirstinthecompetition—It,sbecauseofitsamazing.一Thedogsarealwaysrubbingagainstthewallandmakingdirty.一That,swhatdogsaresupposedtodo.Thanksforyour(有价值的)advice.一TanDundoesn,tuseanymusicalinhisworkWater.一Realmusiccomesfromnature.—Whydidheactiveatthecinemaoutof一Becausehetaxitothecinemainahurry.
三、句子补全Helovesandtheblowingwindbecausetohimthebestmusic.他喜欢流水的声音和风的吹拂,因为对他来说,最好的音乐来自大自然Sincehehadnothenhemademusicwithlikestonesandpaper.因为那时他没有乐器,所以他用像石头和纸等普通的东西做音乐Therehegreatmusicians.在那里,他认识了来自世界各地的伟大音乐家
4.InsteadTanmakesover50soundsfromwater.相反,谭通过控制水流的速度从水中制造出50多个声音
5.TanhashelpedtheEastandtheWest.谭帮助建造了一座连接东西方的桥梁
6.Hehassuccessfully.他成功地把中西方音乐结合在一起词条含义用法since因为;既然侧重主句,从句表示已经显然的或已为人知的理由语气比because稍弱,通常置于句首,表示一种含有勉强语气的原因as由鉴于表示的是双方已知的事实或显而易见的原因,或者理由不是很重要含义与since相同,但语气更弱,主句说明结果,主从句并重high作形容词、副词,意为“高工通常表示具体的高,主要修饰名词或动词highly作副词,意为“高度地”,表示很高的程度,通常修饰动词或动词短语(如speakpraisethinkof等)。