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初中定语从句讲解及练习一、定义:在复合句中,修饰某一名词或代词的从句叫做定语从句。如:1Thema
wholives
exttousisapolicema
2Youmustdoeverythi
gthatIdo上面两句中的ma
和everythi
g是定语从句所修饰的词,叫先行词,定语从句放在先行词的后面。引导定语从句的词有关系代词thatwhichwho宾格whom所有格whose和关系副词wherewhe
、why关系词常有三个作用: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、关系代词引导的定语从句1who指人,在从句中做主语1Theboyswhoareplayi
gfootballarefromClassO
e2YesterdayIhelpeda
oldma
wholosthisway2whom指人,在定语从句中充当宾语,常可省略。1MrLiuistheperso
whomyoutalkedabout注意:关系代词whom在口语和非正式语体中常用who代替,可省略。2Thema
whowhomyoumetjust
owismyfrie
d3which指物,在定语从句中做主语或者宾语,做宾语时可省略1Footballisagamewhichislikedbymostboyswhich在句子中做主语2Thisisthepe
whichheboughtyesterdaywhich在句子中做宾语4that指人时,相当于who或者whom;指物时,相当于which,在定语从句中做主语或者宾语,做宾语时可省略。1Thepeoplethatwhocometovisitthecityareallhere在句子中做主语2Whereisthema
(thatwhom)Isawthismor
i
g在句子中做宾语5whose通常指人,也可指物,在定语从句中做定语1Hehasafrie
dwhosefatherisadoctor2Ilivedi
ahousewhoseroofhasfalle
i
whose指物时,常用以下结构来代替3Theclassroomwhosedoorisbroke
willsoo
berepairedTheclassroomthedoorofwhichisbroke
willsoo
berepaired4DoyoulikethebookwhosecolorisyellowDoyoulikethebookthecolorofwhichisyellow具体使用时还要注意下列问题:1、只能使用that不用which的情况:1)当先行词是:alla
ya
ythi
geverythi
g
othi
g或被它们修饰时。Istherea
ythi
gthatIca
doforyou有什么可以为你做的吗?Allthatca
bedo
emustbedo
e凡是能做的都必须做。2)当先行词被形容词的最高级或序数词修饰时。例如:Thatiso
eofthemosti
teresti
gbooksthataresoldi
thebookshop那是这家书店出售的最有趣的书之一。Thefirstthi
gthatweshoulddoistogetsomefood我们该做的第一件事是弄点吃的。3)当先行词有:theo
lytheverythesamethelast等修饰时。例如:My
ecklaceis
ottheo
lythi
gthatsmissi
g我的项链不仅是丢掉的东西。4)当主句以who或which开头时,定语从句中引导词用that不用which或who,以避免重复。例如:Whoisthegirlthatisweari
garedcoat正穿一件r
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