Unit8Grammar公开课课件牛津译林版九年级英语上册

什么是定语？Ilikethe__________apple.

redWeuseadjectivestodescribesomeoneorsomething.使用形容词去描述人或者物Whichappledoyoulike?定语Unit8DetectivestoriesGrammarDefiningrelativeclauses定语从句

定语从句

一个句子充当定语Iliketheapple.Theappleisred.Ilike

isred.

↑先行词

↑关系代词关系代词就是用来代替先行词的Theappletheapple.什么叫定语从句？theapple=which/thatwhich/that定语从句：修饰前面某一名词或代词的从句叫定语从句。结构：

先行词+关系词+句子Theman

wholivesnexttousisapoliceman.先行词________________________关系词___定语从句注意：从句必须紧跟在先行词后。PresentationIamateacherIamateacherIlikemoviesIlikebookswhocomesfromGuangxi.WheredoIcomefrom?PresentationIamateacherIamateacherIlikemoviesIlikebookswhocomesfromGuangxi.whoisoutgoing.WhatkindofpersonamI?PresentationIamateacherIamateacherIlikemoviesIlikebookswhocomesfromGuangxi.whoisoutgoing.whichmakemelaugh.Whatdoyouthinkofthismovie?PresentationIamateacherIamateacherIlikemoviesIlikebookswhocomesfromGuangxi.whoisoutgoing.whichmakemelaugh.whichareinterestingandmeaningful.Whatdoyouthinkofthesebooks?PresentationIamateacherIamateacherIlikemoviesIlikebookswhocomesfromGuangxi.whoisoutgoing.whichmakemelaugh.whichareinterestingandmeaningful.Whatdoyouthinkofthesebooks?1.Iamateacher

who

comesfromGuangxi.2.Iamateacher

that

isoutgoing.3.Ilikemovies

which

makemelaugh.4.Ilikebooks

thatareinterestingandmeaningful.Discussingroupsandfindouttherules.先行词是人先行词是物现行词是人或物thatwhowhichExercise1:用关系代词(who/which/that)填空（同步139页）1.Soniaisthestudent_________haswonthisyear’sMostHelpfulStudentAward.3.Thismobilephone__________IamusingismadeinChina.5.Footballisagame__________isenjoyedbymostbwho/thatwhich/thatwhich/that定语从句的其他引导词1.Maybethevictimwaskilledattheplace

wherehewasfound.2.Wewillneverforgetthedays

whenwestudiedtogether.3.Iknowthegirl

whose

motherisanactor.关系代词先行词是关系代词在从句中充当人who/that主语或宾语物which/that主语或宾语人whom宾语人的、物的whose定语，即后接名词关系副词:where﹑when﹑why定语从句引导词在句子中充当什么成分？1.Adetectiveissomeonewholooksforcluestosomethingimportant.2.Wearenowcheckingthesceneformoreclueswhichwillhelpsolvethecase.3.Sheistheteacherthatweallrespectverymuch.主语主语宾语定语从句的引导词who/which/that在定语从句中充当主语或者宾语，充当主语时，引导词不可以省略；但是that充当宾语时，可以省略。定语从句的引导词在定语从句中充当主语时，定语从句中的谓语动词的形式是怎么变的？1.Adetectiveissomeonewholooksforcluestosomethingimportant.2.Theyarethestudentswhoareinterestedinmusic.定语从句的引导词who/which/that在定语从句中充当主语时，定语从句的谓语动词形式由先行词决定。Fillineachblank.Usetheproperverbs1.LinHuilikesbooksthat_____(be)thin.2.Ihaveafriendthat_______(play)thepianowell.3.Ilikethebooksthat______(have)interestingstories.4.Myparentsprefermusicthat_____(be)quiet.areplayshaveis当引导词在定语从句中做主语时，定语从句中谓语动词的单复数要跟先行词保持一致。定语从句的时态和语态都不受主句的限制，1.Ihaveafriendthat________(be)astudentinyourschool3yearsago.2.YesterdayEmilyworethenewdressthatI________(give)her.wasgave要注意的问题一that和which在指物的情况下一般都可以互换,但在下列情况下,一般用that而不用which。(1)先行词为all,everything,nothing,something,anything,little,few,much等不定代词时。Isthereanythingelsethatyoudon’tunderstand?(2)先行词被all,every,no,some,any,little,much等修饰时。Allthebooksthatyouneedarehere.(3)先行词被序数词或最高级修饰时。Thisisthefirstbook(that)hehasread.(4)先行词被theonly,thevery,thesame,thelast修饰时。Thisistheverypen(that)sheislookingfor.(5)先行词既有人又有物时。(6)当主句是以疑问词who或which开头的特殊疑问句时Bettylikestotakephotosofthethingsandpeople

thatsheisinterestedin.Whoistheboythatisplayingfootball?Exercise1:用关系代词(who/which/that)填空（同步139页）2.Theterribletyphoonkilledthepeopleandthecattle_____wereinthefields.4.Wearelookingforsomething_____mighthelpinourjourney.thatthat要注意的问题二

who、that在指人可以通用，但下列宜用who,不用that1.先行词是anyone,someone,those,everyone等时，关系词使用who(1)Those

who

wanttogototheGreatWallsignuphere.(2)Isthere

anyone

who

wantstogothere?2.在therebe

句型中，先行词指人,关系词用who(1)Thereis

anoldman

who

wantstoseeyou.(2)Thereare

many

youngmen

who

areagainsthim.Choosethebestanswers.1.Sheistheone______gotlostintheforestlastweek.A.whoB.thatC.which2.Thereisaboy_______islyingunderthetree.A.thatB.whoC.when引导词之前有介词时：Thisisthecoat

for_______Ipaid

500yuan.That’stheboy

with________mybrother

played

basketballjustnow.whichwhom介词+