定语从句易错点

高考英语语法三大从句易错点课件（一）that•1.名词性从句中that与what的区别•2.that在定语从句与名词性从句中的区别1.名词性从句中that与what的区别•1)Modernsciencehasgivenclearevidence_____smokingcanleadtomanydiseases.•A.whatB.whichC.thatD.where•2)________fashiondiffersfromcountrytocountrymayreflecttheculturaldifferencesfromoneaspect.•A.WhatB.ThatC.ThisD.Which•3)________BarbaraJonesofferstoherfansishonestyandhappiness.•A.WhichB.WhatC.ThatD.WhomCBB归纳1：名词性从句中that只起连接作用，不作成分；而what作连接词并作主语，宾语或表语。（双重成分）=sth.+that2.that在定语从句与名词性从句中的区别•1)Mydecisionis_________allofusaretostartat6o’clocktomorrowmorning.•A.whatB.thatC.whichD.whether•2)Theview__________manyscientistsholdis_______toomuchemissionofcarbon•dioxideisdestructive.•A.what;thatB.that;which•C.that;thatD.which;whichBC归纳2：1.that在定语从句中（1）连接作用（2）代替先行词作主语，宾语或表语2.that在名词性从句中（1）连接作用（2）不作成分（二）what•1.what与how•2.whatever与however•3.whatever与whichever1.what与how•1)_______someteenagersdon’trealizeis_______difficultlifecanbeaftertheygetaddictedtodrugs.•A.That;howB.That;whata•C.What;howD.What;whata•2)Youdon’tknow________greattroubleItooktofinishthetask.•A.howB.whatC.howeverD.whateverCB归纳1：感叹句中what修饰名词，how修饰形容词或副词。：在第一个名词后加分割线，看后面动词是否缺主语。(1)Youcan'timagine____greatdifficultywehavehadworkingoutsuchadifficultproblem.(2)Youcan'timagine____greatthedifficultyis.whathowYoucan’timaginehowcleveraboyheis.how+adj.+a/an+n.+主语+谓语我与众不同呀！2.whatever与however•1)______hungryIam,Ineverseemtobeabletofinishoffthisloafofbread.•A.WhateverB.Whenever•C.WhereverD.However•2)Thiscollegeallowsstudentstodeveloptheirowninterests,to_______extenttheywished.•A.whoeverB.whatever•C.howeverD.wheneverDB3.whatever与whichever•1)AllthebooksIhavearehere.Youmayborrow_______youlike.•A.whateverB.whichever•C.wheneverD.however•2)Thepooryoungmanisreadytoaccept_______helphecanget.•A.whicheverB.however•C.whateverD.wheneverBCGiftsforyou!Youcantakewhicheveryoulike.123456（三）where•1.介词+which与where•2.where在名词性从句中的抽象意义1.介词+which与where•1)You’dbetternotleavethemedicine______kidscangetit.•A.evenifB.inwhichC.whereD.sothat•2)Thisphotoofminewastaken______stoodthefamoustowerbeforethe9.11event.•A.whichB.inwhich•C.attheplacewhereD.there•3)Canyoutellmetheoffice_______heworks?•A.whichB.inwhichC.inwhereD.thereCCB归纳1:1.只有在定语从句中where=介词+which2.状语从句中where=at/in/on/totheplacewhere2.where在名词性从句中的抽象意义•1)----IprefershuttingmyselfinandlisteningtomusicalldayonSunday.•----That’s_______Idon’tagree.Youshouldhaveamoreactivelife.•A.whereB.howC.whenD.what•2)----Doyouthinkitwiseformotherstodoeverythingfortheirchildren?•----No,that’s_______theyaremistaken.•A.whatB.whereC.whenD.howAB归纳2：where有时表抽象的含义，不同的情况意义不同。1.That’swherewediffer.这就是我们的分歧所在。2.That’swherewestand.这就是我们的立场。正确分析句子结构看清句子所缺成分agree,disagree,differ,stand,lie不及物四、“模糊地点”作先行词的定语从句与同位语从句的区别•1)Ihavereachedapointinmylife______Iamsupposedtomakedecisionsofmyown.•A.whichB.whereC.howD.why•2)Thosesuccessfuldeafdancersthinkthatdancingisanactivity_______sightmattersmorethanhearing.•A.whenB.whoseC.thatD.whereBD“模糊地点”定语从句与同位语从句1.表抽象地点的先行词有：point,case,position,situation,condition,state,scene,business,stage等。2.只有在内容方面需要进一步阐明的一些抽象名词如：idea,truth,hope,suggestion,thought,belief,doubt,consensus，fear,news,word,possibility，fact,promise,order等才可以带同位语从句。小窍门1.Intheactivitysightmattersmorethanhearing.2.Theactivityisthatsightmattersmorethanhearing.√X定语从句：inthe先行词+从句=inwhich=where五、so/such…+as从句与so/such…+that从句的区别•1)Asateacher,Iseldomgivemystudentssodifficultaproblem______theycannotworkout.•A.thatB.ifC.inorderthatD.as•2)Thisissoheavyabox________noonecanliftitup.•A.thatB.ifC.inorderthatD.asDA归纳：as引导定语从句，作主语，宾语或表语。that引导结果状语从句，只起连接作用。突破点：看从句是否完整。六、as与while在让步状语从句中的运用•1)Hewasunabletomakesuchprogress,_______.•A.ashetriedhardB.hardashetried•C.soharddidhetryD.ashardhetried•2)_______allofthemarestrongcandidates,onlyonewillbechosenforthepost.•A.SinceB.WhileC.IfD.AsDB归纳：as:表语/状语/v.+as+主语+谓语while：位于句首+正常语序as:我不按常规出牌。while:我始终位居第一。as:你真牛！学以致用（Translate）1.让我没有想到的是他取得了这么大的进步。2.不管事情多么艰难，我们都不应该放弃。3.事情发展到了我们必须放弃工作的程度了。4.尽管他是个孩子，他却知道很多。5.请把它放回它属于的地方。1.WhatIdidn’trealizewasthathehadmadesuchgreatprogress.2.Howeverharditis,weshouldn’tgiveitup.3.Ithasreachedapointwherewehavetogiveupourwork.4.Childasheis,heknowsalot.5.Pleaseputitbackwhereitblongs.