浙江省安吉县振民中学高一英语《Unit4 Astronomy the science of the stars:Grammar》课件.ppt
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1、GrammarUnit4主语从句课件(新人教必修3)2021/8/8 星期日11.Thisdependson_theweatherisfine.A.whichB.whetherC.ifD.that2.CouldIspeakto_isinchargeofInternationalSalesplease?A.whoB.whatCwhoeverD.whatever3.Parentsaretaughttounderstand_importanteducationistotheirchildrensfuture.A.thatB.howC.suchD.so B C B 2021/8/8 星期日24.The
2、roadiscoveredwithsnow.Icantunderstand_theyinsistongoingbymotor-bike.AwhyBwhetherCwhenDhow5.Thewayhediditwasdifferentwewereusedto.AinwhichBinwhatCfromwhatDfromwhich6.Thepooryoungmanisreadytoaccept_helphecanget.Awhichever BhoweverCwhateverDwheneverA C C 2021/8/8 星期日37.Idontknow_Mr.Greenwillcometoseeus
3、.HellhelpuswithourEnglish.A.whyB.whenC.howD.where8.Becareful!Dontbreakthebottles.Doyouhear_Isaid?David?Yes,MumA.whatB.thatC.whyD.if9.Areyouinterestedin_?A.howdidhedoitB.hedidithowC.howhediditD.hehowdiditB A C 2021/8/8 星期日410.Ifind_importantthatwepracticeEnglisheveryday.A.itB.thisC.thatD.what11.Whatd
4、idyouparentsthinkaboutyourdecision?Theyalwaysletmedo_IthinkIshould.A.whenB.thatC.howD.what12.Pleaseremindme_hesaidhewasgoing.Imaybeintimetoseehimoff.A.whereB.whenC.howD.whatA D B 2021/8/8 星期日5主语从句主语从句在句中充当主语的从句叫做主语从句。在句中充当主语的从句叫做主语从句。2021/8/8 星期日61.连接词:连接词:1)从属连词:)从属连词:that,whether等等.that 引导主语从句只起引导
5、作用,本身无引导主语从句只起引导作用,本身无实际意义,在主语从句中不充当任何成分,实际意义,在主语从句中不充当任何成分,但不能省略。但不能省略。That she left him cut him to the heart.That he will come is certain.2021/8/8 星期日72)连接代词连接代词who,what,which,whatever,whichever,whoeverWhat seems easy to some people seems difficult to others.Which side will win is not clear.Whethe
6、r it will please them is not easy to say.2021/8/8 星期日83)连接副词连接副词when,where,how,why等等Why he did it remains a mystery.When they will start is not known yet.How he became a great scientist is known to us all.2021/8/8 星期日9主语从句后置主语从句后置!为了避免主语冗长免主语冗长,句子头重脚轻句子头重脚轻,经常用经常用it作形作形式主语式主语,主语从句放在后面作真正的主语主语从句放在后面作
7、真正的主语.例:That we shall be late is certain.-Its certain that we shall be late.1.That the earth is round is known to all.-2.That you missed the chance is a pity.-.It is a pity that you missed the chanceIts known to all that the earth is round.2021/8/8 星期日10It+be+形容词形容词 that从句从句It is necessary that 有必要有
8、必要It is important that.重要的是重要的是It is obvious that 很明显很明显It+be+-ed分词分词 that从句从句It is believed that 人们相信人们相信It is known to us/all that.众所周知众所周知It has been decided that 已经决定已经决定用用it形式主语的形式主语的that从句有以下四种不从句有以下四种不同的搭配:同的搭配:2021/8/8 星期日11It+be+名词名词 that从句从句It is common knowledge that 是常识是常识It is a surpris
9、e that.令人惊奇的是令人惊奇的是It is a fact that 事实是事实是It+不及物动词不及物动词 that从句从句It appears that 似乎似乎It happens that.碰巧碰巧It occurred to me that 我突然想起我突然想起2021/8/8 星期日12注注 意:意:1.Whatyouleftareonlyseveraloldbooks.2.Whatyousaidisofgreatimportance.3.Whetherhellcomehereisnotclear.1.“if”不能引导主语从句,应有不能引导主语从句,应有“whether”引导。
10、引导。3.主语从句的主语从句的“that”一般不能省。一般不能省。4.“what”引导主语从句时,谓语动词:引导主语从句时,谓语动词:1)常与其后的名词作表语一致)常与其后的名词作表语一致2)根据句子的语境)根据句子的语境而定。而定。4.主语从句需注意的问题主语从句需注意的问题2.主语从句中用陈述语序主语从句中用陈述语序2021/8/8 星期日13MakesentencesIts certain.well be late.Is he coming or not?We dont knowWhat does he want to tell us?We dont knowWhen will you
11、come back?It doesnt matter.Itscertainthatwewillbelate.Thatwellbelateiscertain.WedontknowwhetherheiscomingornotWhetherheiscomingisnotknown.Wedontknowwhathewantstotellus.Whathewantstotellusisnotknown.Whenyouwillcomebackdoesntmatter.Itdoesntmatterwhenyouwillcomeback.2021/8/8 星期日141.Where shall we spend
12、 the holiday isnt decided.2.You have made a mistake is a fact.3.That is certain that we can win.4.No matter who leaves the room last ought to turn off the lights.5.If the policemen will come is not certain.we shallThat you haveIt isWhoeverWhether改错练习改错练习2021/8/8 星期日15 1._ you dont like him is none o
13、f my business.2._ he said at the meeting astonished everybody present3._ the 2000 Olympic Games will be held in Beijing is not known yet.4._ well go camping tomorrow depends on the weather.5._ leaves the room last ought to turn off the lights.ThatWhatWhetherWhetherWhoever选择恰当的连接词2021/8/8 星期日16 6._ i
14、s a fact that English is being accepted as an international language.7.It worried her a bit _ her hair was turning grey.8.The Foreign Minister said,“_ is our hope that the two sides will work towards peace.”9.After Yang Liwei succeeded in circling the earth,_ our astronauts desire to do is walk in s
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