先行词和关系词的关系Jointhefollowingsentences:Aplaneisamachine.Themachinecanfly.Aplaneiscanfly.TheladyisGreen.Wesawheryesterday.三.关系代词的基本用法和注意点①who指人,在定语从句中作主语或宾语。作宾语时，可省略。③which指物，在定语从句中作主语或宾语。作宾语时，可省略。④whose的先行词指物时，可用ofwhich代替，但语序不同，即whose+名词=the+名词+ofwhich，或=ofwhich+the+名词。如：Thenovelwhosetitle(=thetitleofwhich或ofwhichthetitle)isRedandBlackisveryinteresting.⑤whose的先行词指人时，可用ofwhom代替，但语序不同，即whose+名词=the+名词+ofwhom，或=ofwhom+the+名词。如：Theboywhosemother(=themotherofwhom或ofwhomthemother)isadoctorismyfriend.(4)关系代词在从句中作主语时，从句的谓语动词的人称和数必须与先行词保持一致。如：Thosewhoareagainsttheplanputupyourhands.Tomisoneofthestudentswhowerepraisedbytheteacheryesterday.Tomistheonlyoneofthestudentswhowaspraisedbytheteacheryesterday.Thescientistwhowemetyesterdayisveryfamouswhomintheworld.that﹨(3)Heisthekindperson.Ihaveeverworkedwithhim.(which/that)1.Thegirl__________isstandingnexttoourteacherisherdaughter.2.Thegirl_________________ourteacheristalkingwithisafamoussinger.3.Thegirl________motherisateachercanspeakEnglishverywell.4.Ican’tfindthebook____________isborrowedfromthelibrary.5.Ican’tfindthebook________________youlenttome.Thefamily_____________I’mstayingwithlivesintown.Iknowthestudent______articlewaspublished.Betty,_____hasneverbeenabroad,isstudyingEnglishverywell.Myparentsliveinahouse____________ismorethan100yearsold.Theboywith_____Johnspokeismybrother.Luckilynoneofthepeople______Iknowwerekilledintheearthquake.根据从句中的动词搭配根据从句中的形容词搭配介词+关系代词=关系副词Thesong,________weareinterestedwillbebroadcasttonight.Heisthehero________weareproud.Thisisthecollege________we’llvisitafamousactor.Theearth________weliveisabigroundball.Doyoulikethebook________shespent$10?Doyoulikethebook________shepaid$10?Doyouliketheteacher__________shelearnedalot?Doyouliketheteacher___________wearetalkinghasgoneabroad?Hepaidtheboy$10forwashingtenwindows,most________hadn’tbeencleanedforatleastayear.关系代词as引导Theearthisround,___weallknow.___isknowntoall,theearthisround.___isknowntoallthattheearthisround.Being