人教版九年級(jí)英語定語從句課件

定語從句定語從句1認(rèn)真觀察下列句子，總結(jié)什么是定語從句？先行詞？關(guān)系詞？Iwanttoreadallbooks(thatwerewrittenbyLuXun)Sheisateacher(whoisstrictinherwork.)Shegotacomputer(whichherparentsboughtforher.)Theboy(whosefatherisadoctor)studieshard.Istillrememberthefirstday(whenImetyouingrade7.)Stonehengewasatemple(whereancientleaderstriedtocommunicatewithgods.)Wedon’tknowthereason(whyhewaslateforschool.)在復(fù)合句中，用來修飾,限定，解釋說明主句中某一名詞或代詞的從句，叫做定語從句。所被修飾限定解釋說明的名詞或代詞叫做先行詞。能引導(dǎo)定語從句的詞叫做關(guān)系詞，關(guān)系詞不僅在句中起連接作用，還充當(dāng)一定的成分。

認(rèn)真觀察下列句子，總結(jié)什么是定語從句？先行詞？關(guān)系詞？Iw2關(guān)系詞：關(guān)系代詞（that,which,who,whom,whose）和關(guān)系副詞(when,where,why)先行詞關(guān)系詞作用人that，who，whom主語，表語，賓語物that，which主語，表語，賓語所有格（人，物）whose定語時(shí)間when狀語地點(diǎn)where狀語原因why狀語關(guān)系詞：關(guān)系代詞（that,which,who,who3關(guān)系代詞

2.who指人,作主語或賓語(作賓語可省略）Theman(

who)Italkedwithisourteacher.Apersonwhostealsthingsiscalledathief.3.whom指人,作賓語(作賓語可省略,如介詞提前則不能省)Theman(whom/who)ItalkedtoisMr.Li.ThemantowhomItalkedisMr.Li.1.that即指人也可指物,作主語或賓語(作賓語可省略）IlovemoviesthatarefunnyDoyouknowthegirl(that)Mr.Wangistalkingto?2關(guān)系代詞2.who指人,作主語或賓語(作賓語可省略）The4關(guān)系代詞

4.whose是代詞的所有格形式,它既可以代人也可以代物。

Pleaseshowmethebook.Itscoverisred.Pleaseshowmethebook

whosecoverisred.Isawawoman.Herbagwasstolen.Isawawoman

whosebagwasstolen.關(guān)系代詞4.whose是代詞的所有格形式,它既可以代人55.which指物，作主語或賓語(作賓語可省略,如介詞提前則不能省)Thesearethetreeswhichwereplantedlastyear.TheTVset(which)heboughtyesterdayismadeinJapan.Isthisthelibrary(which)youborrowbooksfrom?Isthisthelibraryfromwhichyouborrowbooks?5.which指物，作主語或賓語(作賓Thesear6

定語從句中需注意事項(xiàng)有些情況下只用關(guān)系詞that,而不宜用which1.從句所修飾的詞又被形容詞最高級(jí)或序數(shù)詞修飾時(shí)Thisisthemostinterestingstory(that)Ihaveeverheard.Thefirstmeeting(that)wewilltakepartinwillbeheldintheafternoon.

2.先行詞是something,nothing,anything等不定代詞時(shí)

Hereissomething(that)Iwilltellyou.定語從句中需注意事項(xiàng)73.先行詞既有人也有物時(shí),只能用thatIcanrememberwellthepersonsandsomepictures(that)Isee.

4.先行詞是oneof,theone,或用little,much,few,no,all,some,any,theonly,thevery,thesame,thelast作修飾時(shí)Isittheonethatyouwant?Ihaven’tgotmuchthatIcanofferyou.5.當(dāng)主句已有疑問詞who或which時(shí)，用thatWhoisthewomanthatwaspraisedatthemeeting?3.先行詞既有人也有物時(shí),只能用that8注:who、that在指人可以通用，但下列宜用who,不用that

1).先行詞是anyone,someone,those時(shí)，關(guān)系詞使用whoThosewhowanttogototheGreatWallsignuphere.Isthereanyonewhowantstogothere?2).在therebe句型中，先行詞指人,關(guān)系詞用whoThereisanoldmanwhowantstoseeyou.Therearemanyyoungmenwhoareagainsthim.注:who、that在指人可以通用，但下列宜用who,不9————關(guān)系副詞

關(guān)系副詞是用來引導(dǎo)定語從句的，它和關(guān)系代詞一樣,在從句中代替先行詞,在句中作狀語。

where:在從句中作地點(diǎn)狀語,指代地點(diǎn).

when:在從句中作時(shí)間狀語,指代時(shí)間。why:在從句中作原因狀語，指代原因.Istillrememberthefirstday(whenImetyouingrade7.)Stonehengewasatemple(whereancientleaderstriedtocommunicatewithgods.)Wedon’tknowthereason(whyhewaslateforschool.)————關(guān)系副詞關(guān)系副詞是用來引導(dǎo)定語10

定語從句謂語動(dòng)詞和先行詞一致。注:定語從句的時(shí)態(tài)不受主句的限制。

Thewoman

who/that

spokeatthemeetingyesterday

is

my

mother.(主句)Thewomanismymother.(敘述客觀事實(shí)用一般現(xiàn)在時(shí))(從句)Thewoman(who/that)spokeatthemeetingyesterday.(句中yesterday表示過去時(shí)間)定語從句謂語動(dòng)詞和先行詞一致。11把下列句子改成復(fù)合句1.Ilikemusic.Themusicisgentle.2.Heisamusic.Hecanplaydifferentkindsofmusic.3.Iwanttowatchamovie.Themovieisfunny4.Doyouknowtheman?Mr.Wangistalkingtohim.5.Theboyistom.Hisfatherisworkingonthefarm.6.Thesupermarketisashop.Youcanbuydifferentkindsofproductsthere.7.Imethimyesterday.Iwasgoingshoppingwithmymom.把下列句子改成復(fù)合句1.Ilikemusic.The121.Thisisthebag_____mymotherboughtyesterday.A.that B.who C.whom D.this2.Theman_____livesnexttousismyEnglishteacher.A.whom B.which C.who D./3.Thegirl_____yousawinthestreetisMary.A.that B.whose C.which D.asAAA定語從句練習(xí)1.Thisisthebag_____mymo134.Isthisthefactory_____alotofstudentsvisitedyesterday?A.theone B.which C.who D.whom5.Isthisfactory_____alotofstudentsvisitedyesterday?A.theone B.that C.which D./6.Theonlylanguage_____iseasytolearnisthemothertongue.A.which B.that C./ D.itBBB定語從句練習(xí)4.Isthisthefactory_____a147.Thegirlhandedeverything_____shehadpickedupinthestreettothepolice.A.which B.inwhich C.that D.all8._____cl