第5页共8页第6页共8页定语从句精讲精练一.定语从句及相关术语1.定语从句:修饰一个________或______的从句称为定语从句,一般紧跟在它所修饰的先行词后面。2.关系词:引导定语从句的关联词成为关系词关系词有_____________和_______________。关系代词有_______________等;关系副词有__________________等。关系词常有3个作用:1,引导定语从句。2,代替先行词。3,在定语从句中担当一个成分。二关系词用法表格(请在其用法下打上)先行词是物先行词是人定语地点状语时间状语原因状语主宾主宾关系代词whichthatwhowhomwhose关系副词wherewhenWhy三限制性定语从句和非限制性定语从句限制性定语从句举例:(1)TheteachertoldmethatTomwastheonlypersonthatIcoulddependon.非限制性定语从句举例:(1)Hismother,wholoveshimverymuch,isstrictwithhim.考点分析:一限制性定语从句只能用that的几种情况(1)Haveyoutakendowneverything_______Mr.Lihassaid?(2)_______thatcanbedonehasbeendone.(3)Thefirstplace________theyvisitedinLondonwastheBigBen.(4)Thisisthebestfilm______Ihaveseen.(5)Thisistheverydictionary________Iwanttobuy.(6)Whoistheman_______isstandingthere?(7)Canyourememberthescientistandhistheory_______wehavelearned?1.当先行词是anything,everything,nothing(something除外),few,all,none,little,some等代词时,或者是由every,any,all,some,no,little,few,much等修饰时,如1,22.当先行词被_________修饰,如33.当先行词被__________修饰时,如44.当形容词被_______,theonly修饰时,如55.当先行词前面有_______,which等疑问代词时,如66.当先行词既有人,也有动物或者物体时,如7二定语从句只用which的情况1Theroomin______Istudyisverycoolinsummer.2Heboughtthebookyesterday,_______heenjoyedverymuch.3Hestolesomemoney,_______madehisfatherangry.4What’sthat_______wasputinthebox?5LetmeshowyouthenovelthatIborrowedfromthelibrary______wasnewlyopentous.1_________在关系代词前,只用which2.________中,做主语和宾语只用which3.代替前面的话,翻译为“这一点,这件事”。只能用which4.先行词为_______,those时,只用which5.有两个定语从句时,前面用_____,后面用______,避免重复三介词+关系代词“of+which/whom”可用来限定名词、代词、分数词、数词等。1.Inthedarkstreet,therewasn’tasingleperson____________shecouldturnforhelp.关系代词前介词的确定1Isthatthenewspaper_________youoftenwritearticles?根据从句中动词与先行词的逻辑关系,2.Canyouexplaintomehowtousetheseidioms_________I’msure.根据从句中动词或形容词的习惯搭配,如:3.1949wastheyear________theP.R.C.wasfounded.根据先行词与介词的搭配习惯,4.Thereare50studentsinourclass,two-thirdsof_______havebeentoBeijing.非限制性定与从句中,要表示先行词的一部分时,可用“数词/代词+of+关系代词”的结构,如:5.Theyliveinahouse,whosedooropenstothesouth.Theylivedinahouse,_________thedooropenstothesouth.Theylivedinahouse,thedoor___________opentothesouth.Whose从句可转换为“of+关系代词”型,如:用适当的介词填空第7页共8页第8页共8页1.Thesungivesusheatandlight,________whichwecan’tlive.2.Thestudent_______whomweweretalkingjustnowisthebeststudentinourclass.3.I’llneverforgettheday____whichshesaidgood-byetome.4.Whocangivemethereason_____whichhehasn’tturnedupyet?考点四:as与which引导的定语从句两者均可引导非限制性定语从句,有时可以互换,但下列情况多用as。1.关系代词引导的定语从句居句首时。_______weallknow,theearthisround.2.当与such或thesame连用时,一般用as。Suchbooks______youtellmeareinteresting.Ihavethesameplan_____you.3.当从句和主句语义一致时,用as,反之则用which。Shehasmarriedagain,______wasexpected.Shehasmarriedagain,______wasunexpected.4.as在从句中作主语时,后面常...