高考英语名词性从句讲解及练习

名词性从句：主语从句，宾语从句，表语从句，同位语从句。一．主语从句：由一个从句来充当句子的主语的复合句。1._______theearthisroundistrue.A.WhatB.ThatC.WhereD.How2.__________(If,Whether)hewillcomehasn’tbeendecided.3.________youneedismorepracitce.A.WhatB.ThatC.AllwhichD.How4._________hasn’tbeendecided.A.WhenwillwehavethemeetingB.Whenwewillhavethemeeting5._________leavestheclassroomlastwillturnoffthelights.A.WhateverB.WhoeverC.WhoD.Whom6._________wassaidheremustbekeptsecret.A.WhateverB.WhoeverC.WhoD.What1).引导主语从句的连接词有：连词that,whether；连接代词who,whoever,what,whatever和which；连接副词when,where,how和why。注意：1.that在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。2.表示“是否”时,只能用“whether”引导主语从句3.疑问词(when,where,why,what…)+陈述语序2).为了防止一些句子头重脚轻，通常用it做形式主语1.Itissaid________hisfatherwillcomebackfromJapan.A.WhatB.ThatC.AllwhichD.How2.Itissurprising_______theweatherissowarmforApril.A.thatB.whenC.whetherD.where3.Thattheearthisroundistrue.=4.Whetherhewillcomehasn’tbeendecided.=5.Wheretheherowentisnotmentionedattheendofthestory.=用it做形式主语的常用句型Itisafact(ashame,apity,goodnews…)Itistrue(certain,clear…)Itissaid(reported,believed…)Itseems/happenedthat…Itworriedsbalotthat…注意：Itisimportant/natural/necessary/impossible/strange/unusual/suggested/advised/ordered/requested/insisted/required…that中，从句谓语动词用“(should)+do”的形式,Itisnecessarythatwe________________(learn)Englishgrammarwell.Itissuggestedthatwe________________(notgo)outtoplay.3).Who,whom,which,what可以和ever构成合成词，引导从句，起加强语气的作用。但引导主语从句不能用nomatterwho/what…Exercise:1.________thattheyfoundanunusualplantintheforest.A.ItissaidB.TheyaresaidC.ItsaidD.Itsays2._____causedtheaccidentisstillacompletemystery.A.WhatB.ThatC.HowD.Where3.____surprisedmemostwas_____suchalittlegirlofsevencouldplaytheviolinsowell.A.That;whatB.What;thatC.That;thatD.What;what4._____helpedtosavethedrowninggirlisworthpraising.A.WhoB.AnyoneC.WhoeverD.Theperson5._______hepassedtheimportantbutdifficultexamisaverygoodthing.A.WhatB.AsC./D.That6._______hesawinhisofficethedaybeforeyesterdayisstillapuzzle.A.ThatB.WhoseC.WhichD.Whom7.______willbeinchargeofourcompanyisstillbeingdiscussedbytheleadersofourcity.A.WhoB.WhomC.WhichD.Whoever8.______theysettledthatsocialprobleminterestseveryoneofus.A.HowB.WhatC.WhichD.That9._____we’llgocampingtomorrowdependsontheweather.(NMET1996)A.IfB.WhetherC.ThatD.Where10.________makesmistakesmustcorrectthem.A.WhatB.ThatC.WhoeverD.Whatever11.Itworriedherabit____herhairwasturninggrey.A.whileB.thatC.ifD.for12.Whenandwhyhecamehere________yet.A.isnotknownB.arenotknownC.hasnotknownD.havenotknown13.________Tomlikedtoeatwasdifferentfrom________.A.That…thatyouhadexpectedB.What…thatyouhadexpectedC.That…whatyouhadexpectedD.What…whatyouhadexpected14.________wegoswimmingeveryday________usalotofgood.A.If...doB.That...doC.If...doesD.That...does15.It'suncertain________theexperimentisworthdoing.A.ifB.thatC.whetherD.how16.____wecan'tgetseemsbetterthan____wehave.A.What,whatB.What,thatC.That,thatD.That,what17._______we'llfinishtranslatingthebookdependsonthetime.A.WhenB.WhyC.WhatD.That18.______thehousewillbebuiltwillbediscussedattomorrow'smeeting.A.IfB.WhereC.ThatD.What二．宾语从句：由一个从句来充当句子的宾语的复合句。a.Hesaid________hewasfeelingill.b.Idoubt_________hewillbehereintime.(是否)c.Myteacherwassatisfiedwith_______Idid.d.Shewillwriteabookon______youngmothersshouldraisetheirbabies.e．I’msure_______hewillwin.f.Wearenotcertain______willournewEnglishteacher.g.Shesuggestedthatwe_______(go)toJapanforholiday.1）.及物动词的宾语,介词的宾语,形容词后宾语连接词有：连词that,whether/if；连接代词who,what和which；连接副词when,where,how和why。注意：1.that在句中无词义，只起连接作用，可省。2..疑问词(when,where,why,what…)+陈述语序2）.形式宾语think/find/make…it+adj.+that….结构中,it作形式宾语。Ifind_______necessarythatwedosomereadingeveryday.Wethink_______rightthatallthepeopleshouldobeythelaws.3）.反义疑问句：think/believe/imagine/suppose…引导的宾语从句，如果主语是“I,We”那么：Idon’tthinkyoucandothat,_________?Ithinkheisright,_________?Idon’tbelievehewillgo,__________?4）.在suggest,demand,insist,order,wish等动词后的宾语从句中,谓语动词须用虚拟语气,即(should)+动词原型Shesuggestedthatwe______________(notgo)thereforholiday.Theboyinsistedthathe_____________(go)abroadnextyear.5）.插入句疑问词+doyouthink/believe/suppose/guess…+正常的陈述语序？Howmanybooksdoyouguess_________________(hebuy)theotherday?Exercise:(1)Thisdependson_________theweatherisfine.A.whichB.whetherC.ifD.that(2)Idon’tknow________Mr.Greenwillcometoseeus.He’llhelpuswithourEnglish.A.whyB.whenC.howD.where(3)You’llhavetodecide_______carwe’lluse,yoursormine．A．whichB．whatC．whoseD．whether(4)Didyoufindout______?A.shewaslookingforwhosechildB.whosechildwasshelookingforC.whosechildsheislookingforD.whosechildshewaslookingfor(5)SheaskedTom________withhiscar?A.whatthematterwasB.whatthematterisC.whatwasthematterD.whatisthematter(6)Theteachersaidthattheearth_______roundthesun.A.goesB.goC.wentD.willgo(7)It’s7:30.Ican’tbelieveyou___cookingdinneryet,Sally.A.haven’tstartedB.didn’tC.don’tstartD.hadn’tstarted(8)Theteacherdemandedthatwe_____homebeforehandingintheexercisebooks.A．shouldgoB．didn’tgoC．notgoD．don’tgo(9).Hebelievessheisright,__________?A．doesn’theB．doesheC．issheD．isn’tshe(10).Ithoughtthathedislikedplayingfootball,_______