which在名从和定从的区别PPT课件

.,1,which在名词性从句的用法：,1.宾语从句which是一个连接代词,在宾语从句中可以充当，定语，主语或宾语。意思是“哪一个”如：Idontknowwhichbikebelongstomyfather.Iwonderwhichisbetter,thisoneorthatone?HeaskedmewhichIlikedbest.,.,2,2.主语从句which在主语从句中的用法与宾语从句相类似。Whichboyshelikesbestisstillamystery.Whichstudentswillbesenttotakepartinthesportsmeetinghasntbeendecided.,.,3,3.表语从句which在表语中的用法与主从和宾从的用法也相似。如：HisquestioniswhichstudentisthebestatEnglish.Thequestioniswhichplacehewantstogoto.,.,4,4.同位语从句which在同位语从句中的用法不多，只用在某些名词的后面，常见的有idea,plan等。Ihavenoideawhichpictureisthemostbeautifulofall.提醒what引导的名词性从句，也是连接代词，表示的是泛指的东西；which指的是在一定的范围内，哪一,.,5,定语从句的关系代词Which的用法:若先行词指物则代替先行词在定语从句中充当主语或宾语.Thisisthepenwhichwasgivenbymyfriend.先行词指物代替先行词在定语从句中充当主语Thisisthepenwhichmyfriendgavetome.先行词指物代替先行词在定语从句中充当宾语,.,6,下面是他和that在定语从句中的区别及用法：thatwhich在代物时常常可以通用,但有时只宜于用which,不用that(1)关系代词前有介词时.Thisisthehotelinwhichyouwillstay.(2)如有两个定语从句,其中一句的关系代词是that,另一句宜于用which.LetmeshowyouthenovelthatIborrowedfromthelibrarywhichwasnewlyopen(新开放)tous.注意2thatwhich在代物时常常可以通用,但有时只宜于用that,不用which.,.,7,1)先行词是形容词最高级或者它的前面有形容词最高级时Thisisthebestthathasbeenusedagainstairpollution(反对空气污染)incities.(2)先行词是序数词,或它的前面有一个序数词时HeisthelastpersonthatIwanttosee.(3)主句中已有疑问词时Whichisthebikethatyoulost?(4)先行词既有人又有物时Thebikeanditsriderthathadrunoveranoldmanweretakentothepolicestation.,.,8,(5)先行词是all,much,little,something,everything,anything,nothing,none,theone等代词时Youshouldhandinallthatyouhave.Wehaventgotmuchthatwecanofferyou./Imeantheonethatyoutalkedaboutjustnow.(6)先行词前面有only,any,few,little,no,all,oneof,thesame,thevery等词修饰时Theonlythingthatwecandoistogiveyousomemoney.LiMingistheonlyonethatgotfullmarks(满分)inourclass.,.,9,(7)有两个定语从句,其中一个关系代词已用which,另外一个宜用thatEdisonbuiltupafactory(办了一个工厂)whichproducedthingsthathadneverbeenseenbefore.定语从句的关系副词Where的用法:若先行词指地点且其在定语从句中充当地点状语.Thisisthehouse。Iwasborninthehouse.