定語從句關(guān)系代詞使用課件

定語從句中關(guān)系代詞的使用定語從句中關(guān)系代詞的使用1什么是定語從句？擔任定語用法的句子叫做定語從句。因此定語從句又被稱為形容詞性從句。定語從句的結(jié)構(gòu)是？先行詞+關(guān)系詞+從句e.g.Sheisthegirlwhoisthemostcleverinourschool.

Thisisanoldcomputerwhichworksslowly.怎么判斷一個從句是定語從句呢？可以依據(jù)定語從句的結(jié)構(gòu)進行判斷，看到先行詞和關(guān)系詞后接從句并且翻譯為“……的”的句子就是定語從句了。什么是定語從句？2關(guān)系詞是做什么用的？引導定語從句的詞稱為關(guān)系詞。

關(guān)系詞是做什么用的？3關(guān)系詞的分類關(guān)系詞關(guān)系代詞關(guān)系副詞介詞+關(guān)系代詞關(guān)系詞的分類關(guān)系詞關(guān)系代詞關(guān)系副詞介詞+關(guān)系代詞4關(guān)系代詞常見的關(guān)系代詞有which,that,who,whom,whose,as。注意：定語從句不能用what引導。既然是關(guān)系“代詞”，那么是不是說他們是有指代的對象呢？沒錯，關(guān)系代詞在定語從句中作主語，賓語，表語，定語等。Examples：Thisisanoldcomputer.Thisoldcomputerworksslowly.將上兩句結(jié)合起來后就是：Thisisanoldcomputerwhichworksslowly.e.g.TheplacethatinterestedmemostwastheChildren'sPalace.Theplaceinterestedmemost.TheplacewastheChildren’sPalace.關(guān)系代詞5who和whom作關(guān)系代詞的用法。二者都用于指人，who在定語從句中作主語、賓語，whom在定語從句中作賓語。在定語從句中who不能做介詞的賓語，whom則可以。e.g.ThisisthedoctorwhohasjustcomebackfromU.S.A.IhavemanyfriendstowhomIamgoingtosendpostcards.注意：一些固定的“動詞+介詞”固定結(jié)構(gòu)不能把介詞提到關(guān)系代詞前，否則會失去其習語的含義。比如lookfor,carefor,dealwith,hearfrom，getthrough等。e.g.ThisistherightmodelforwhomI’mlooking.(X)ThisistherightmodelwhomI’mlookingfor.練習：將下列句子合成用who或者whom引導的定語從句。Heistheonlyone.Hecansolvetheproblem.Key:Heistheonlyonewhocansolvetheproblem.Thereisnotasingleperson.Shecanturntosomebodyforhelp.Key:Thereisnotasinglepersontowhomshecanturntosomebodyforhelpwho和whom作關(guān)系代詞的用法。6whose作關(guān)系代詞的用法whose一般指人，但有的時候也能指物。當先行詞在從句中以所有格形式進行使用時，一般要用whose。Youaretheonlyone.Hemightlistentoyouridea.得出結(jié)論是:Youaretheonlyonewhoseideahemightlistento.練習：將下列句子合成用whose連接的定語從句：I’dlikearoom.Theroom’swindowlooksoutoverthesea.Key:I’dlikearoomwhosewindowlooksoutoverthesea.Pleasepassmethedictionary.Thedictionary’scoverisblack.Key:Pleasepassmethedictionarywhosecoverisblack.whose作關(guān)系代詞的用法7which作關(guān)系代詞的用法which一般指代物，在定語從句中做主語，賓語，偶爾做定語。e.g.Egyptisacountrywhichisfamousforitspyramids.你能把上面這個句子拆開么？Egyptisacountry.Thecountryisfamousforitspyramids.練習：將下列句子合成一個which引導的定語從句：Theriverrunsthroughthecentreofthecity.

Theriverbringsuslotsofpleasures.Key:Theriverwhichrunsthroughthecentreofthecitybringsuslotsofpleasures.Thatismyhome.Myhousestandsatthetopofthemountain.Key:Thatismyhomewhichstandsatthetopofthemountain.which作關(guān)系代詞的用法8that做關(guān)系代詞的用法that常用來指人或物，在從句中可作主語，賓語，和表語。在做賓語和表語的時候可以省略。e.g.Thepicture(that)wearestudyingwasdrawnbyafifteen-year-oldstudent.Thisisall(that)Icando.瞧一瞧：下面的句子你能拆開么？1.Ihavebeentothecitytwice(that)youjustvisited.Key:Ihavebeentothecitytwice.Youjustvisitedthecity.2.Isoxygentheonlygasthathelpsfireburn?Key:Isoxygentheonlygas?Gashelpsfireburn.that做關(guān)系代詞的用法9as作關(guān)系詞的用法as引導定語從句常出現(xiàn)在such…as…,thesame…as…，as…as…,或者so…as…等結(jié)構(gòu)中。as引導定語從句時，在主句中常作主語，賓語，表語等。e.g.Thehuntertookonlysuchthingsashereallyneededintothejungle.上面的句子可以拆成：Thehuntertookonlysuchthingsintothejungle.Hereallyneededsuchthings.注意：thesame…as…和thesame…that…都表示“和……相同”，thesameas強調(diào)的是類型的相同thesamethat強調(diào)的是物體本身的相同.e.g.StudentAhasthesamebookasStudentBhas.A學生使用的教材和B同學的是同樣的。TodayIusethesamebookthatisusedyesterday.我今天使用的和昨天使用的是同一本教材。

as作關(guān)系詞的用法10練習：1.Theengineer_____myfatheristalkinghasjustcomefromabroad.withwhomB.withwhoC.withwhichD.that2.All_____isneededisasupplyofoil.thethingB.thatC.whatD.as3.Ihaveneverseensuchacleverboy______you.A.whichB.thatC.asD.what4.Hisparentswouldn’tlethimmarryanyone_______familywaspoor.A.ofwhomB.