資源描述:
《講課用定語從句.ppt》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在PPT專區(qū)-天天文庫。
1、區(qū)別:Sheissolovelyagirlaseverybodylikes.Sheissolovelyagirlthateverybodylikesher.前一句是______從句,后一句是______從句。定語結(jié)果狀語6.關(guān)系詞as引導(dǎo)的定從1.as引導(dǎo)的定從,先行詞前有such和thesame修飾時(shí),關(guān)系代詞用as,不能用which.SuchteachersasknowTomthinkhimsmart.I’llbuythesamedictionaryasyouhave.which與as引導(dǎo)的定從時(shí)的區(qū)別2.as引導(dǎo)的定從,可放在主句前,也可放在主句后。這樣的句子,往往
2、有“正如……一樣”之意。Asiswellknown,theearthgoesaroundthesun.而which引導(dǎo)的定從只能放在主句后,且沒有“正如……一樣”之意。HehastoworkonSunday,whichhedoesn’tlike.which與as引導(dǎo)的定從時(shí)的區(qū)別as多用于下列習(xí)慣用語中asanybodycansee正如人人都能看到的那樣asiswellknown=asisknowntoall眾所周知aswehadexpected正如我們所預(yù)料的那樣asoftenhappens正如經(jīng)常發(fā)生的那樣ashasbeensaidbefore如上所述asisment
3、ionedabove正如上面提到的Theearthisround,____weallknow.___isknowntoall,theearthisround.___isknowntoallthattheearthisround.Beingavolunteerissuchaprivilege____weallwanttohave.Beingavolunteerissuchaprivilege____weallwanttohaveit.asAsIt鞏固練習(xí)六:在空白處填入正確的代詞asthat7.限制性定語從句與非限制性定語從句1.限制性定語從句對先行詞起限制、確定的作用,是
4、先行詞不可缺少的定語,如果省去,主句的意思就會不完整,不明確或不合邏輯。這種定語從句和主句之間不能用逗號隔開。ThisisthebestbookthatIhaveread.2.非限制性定語從句和先行詞關(guān)系松散,只是對先行詞作附加說明,如果省去,主句的意思仍然完整或清楚。這種定語從句和主句之間須用逗號隔開。如:Mywatch,whichisveryold,stoppedagain.非限制性定從的關(guān)系代詞指人時(shí)只能用who(主語),whom(賓語),指物時(shí)只能用which。(3)限制性定語從句的先行詞總是一個名詞或一個代詞,而非限制性定語從句的先行詞可以是一個詞,也可以是部分
5、或整個主句的意思。此時(shí),一般用關(guān)系代詞as或which引導(dǎo)。Heisalwayspraisedbyhisteacher,whichmadeotherstudentsunhappy.(4)在非限制性定語從句中,不能省略關(guān)系代詞,而在限制性定語從句中則可以。Idon’tknowtheman(that/who/whom)youarehelping.八.關(guān)系副詞when,where和why的用法八.關(guān)系副詞的基本用法關(guān)系副詞指代的先行詞充當(dāng)從句的成分when表時(shí)間的名詞/名詞詞組時(shí)間狀語where表地點(diǎn)的名詞/名詞詞組地點(diǎn)狀語why表原因的名詞原因狀語用關(guān)系副詞when時(shí),先行詞
6、指時(shí)間,when在定語從句中作時(shí)間狀語,when可換成“介詞+關(guān)系代詞”。如:Istillrememberthedaywhen(=onwhich)IfirstcametoNanjing.Myfatherwasbornintheyearwhen(=inwhich)WorldWarⅡbrokeout.1.when1.when用關(guān)系副詞where時(shí),先行詞指地點(diǎn),where在定語從句中作地點(diǎn)狀語,where可換成“介詞+關(guān)系代詞”。如:Thisisthefarmwhere(=onwhich)weworkedwhenwewereyoung.Theschoolwhere(=inwh
7、ich)hismotherteachesisinthewestofthecity.2.where2.where用關(guān)系副詞why時(shí),先行詞指原因,why在定語從句中作原因狀語,why可換成“介詞+關(guān)系代詞”。如:Thereareseveralreasonswhy(=forwhich)theboysshouldbepunished.Tomcouldn’tgivetheteacherthereasonwhy(=forwhich)hewaslateforschool.3.why3.why(2)當(dāng)situation,case,circu