引导词区别whichthatwhat课程学习

定义：由关系代词或关系副词引导用来修饰主句中的某一个名词或代词并起定语作用的从句,叫定语从句。定语从句所修饰的词叫先行词，从句跟在先行词后面。

定语从句的构成方法是：关系代词或副词+陈述句语序。

关系代词有:who,whom,whose,which,that,as等;

关系副词有when,where,why等。第1页/共9页第一页，共10页。只用that，不用which的情况a.当先行词有序数词或形容词最高级修饰时；ThisisthesecondcomputerthatTomhasjustbought.Thisisthe

bestplacethatI'veevervisited.b.当先行词前有theonly,thevery,thelast等词修饰时；Theonlythingthattheycandoistowait.c.当先行词为anything,nothing,something,everything,all,little,much等不定代词修饰时；Thereisnothing

thatcanstophimfromdoingit.

Haveyougotanythingthatbelongstome?第2页/共9页第二页，共10页。e.当先行词前有all,every,no,some,any,little,much,few等词修饰时：

eg:I’vereadallthebooksthatyoulentme.

Isthisallthat'sleft?f.

当先行词既有人，又有物时：eg:Sallyistalkingaboutthewriterandhisbookthatinterestsher.Theytalkedabouttheteachersandtheschoolsthattheyknew.g.

在以which，who开头的句子中常用that。如：eg:Whoistheboythatisplayingcomputergames?

Whichisthecarthatkilledtheman?第3页/共9页第三页，共10页。a.在非限定性定语从句(即通常用逗号与主句隔开，如果去掉逗号，整个句子仍能表达完整的意义的定语从句)中。如：

TheyaretalkingabouttheTVplay,

whichtheysaw

lastnight.

他们正在谈论昨晚看的电视剧。b.引导词前有介词时；

Thisisthehouse

inwhichTomoncelived.

这是汤姆曾经住过的房子。c.一个句子中若有两个定语从句，一个用that引导，另一个用which引导；

Heboughtabookthatcouldgivehimmuch

knowledgeandwhichcouldhelphimtokillthetime.只用which，不用that的情况第4页/共9页第四页，共10页。定语从句:which与that练习1.Youshouldhandinall_________youhave.2.Pleasesendusalltheinformation________youhaveaboutthecandidatefortheposition.3.WhatisthefirstAmericanfilm_______youhaveseen?4.Thechairon______shesatismadeofwood.5.Tomwaslateforworkagainthismorning，_______madethebossangry.6.Thisisthebesttool________hasbeenusedagainstpollution.7.WhichistheT-­shirt_______fitsmemost?8.Thatistheverybook_____heislookingfor.thatthatthatwhichwhichthatthatwhich第5页/共9页第五页，共10页。引导词what：只引导名词性从句含义：表示“……的东西或事情”，“所……的”，并且what在从句中充当成分Whathesaidwastrue.IamsorryforwhatIsaid.ThatiswhatIwanttoknow.Ihavenoideawhatwewilleattoday.从句：主语从句：宾语从句：表语从句：同位语第6页/共9页第六页，共10页。which与that引导名词性从句which也可引导名词性从句，但表示“哪一个”，如：Idon’tknowwhichoneIcanchoose.that引导名词性从句时，没有实际意义，只起到引导词的作用，在从句中也不充当成分，如：ThatshelovesTFboysisobvious.Myideaisthatyoushouldstayhere.第7页/共9页第七页，共10页。名词性从句练习:which，that，whatShedidn’ttellme______oneisthemonitor.Thetruthis______SandraisanEnglishteacher.______amusedmewashisamusingperformance.______teamwillwinisstillunknown.Theremoteheadphonesare______weneed.______thesoftwareworkswellisthegoodnews.whichthatWhatWhichwhatThat第8页/共9页第八页，共10页。感谢您的观看！第9页/共9页第九页，共10页。内容总结定义：由关系代词或关系副词引导用来修饰主句中的某一个名词或代词