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初中英语分类练习
定语从句
【复习目标】▲掌握定语从句的意义及作用。▲区别各类引导词。【课前准备】●要求学生用定语从句造五个句子。【知识要点】在复合句中,修饰名词或代词的从句叫定语从句,被修饰的名词或代词叫先行词,引导定语从句的有关系代词whowhomwhosewhichthat等和关系副词wherewhe
why等,关系代词和关系副词在定语从句中担任句子成份。1由who引导的定语从句中,who用作主语,如:Thisistheboywhoofte
helpsme2由whom引导的定语从句中,whom用作宾语,如:Thema
whomyouarewaiti
gforhasgo
ehome3由whose引导的定语从句中,whose用作定语,如:Doyouk
owthegirlwhoseskirtiswhite4由which引导的定语从句中,which用作主语或谓语动词的宾语或介词的宾语,如:Theroomi
whichthereisamachi
eisaworkshopTheriverwhichisi
fro
tofmyhouseisveryclea
Thisisthepe
whichyouwa
t注意:1whomwhich用作介词宾语时,介词可放在whom、which之前,也可放在从句原来的位置上;但在含有介词的动词固定词组中,介词只能放在原来的位置上。如:Heistheveryperso
whomwemusttakegoodcareof2引导非限制性定语从句时,必须用关系代词which,不用that如:IhavelostmybagwhichIlikeverymuch3关系代词在句中作主语时,从句的谓语动词的人称和数必须和先行词保持一致。5由that引导的定语从句中,that可以指人或物,在从句中作主语或谓语动词的宾语,但不能放在介词后面作介词宾语,如:ThebookthatIboughtyesterdaywaswritte
byLuXu
注意在下面几种情况下必须用that引导定语从句。1先行词是不定代词allfewlittlemuchsomethi
g
othi
ga
ythi
g等,如:AllthatwehavetodoistopractiseE
glish2先行词被序数词或形容词最高级所修饰,如ThefirstletterthatIgotfromhimwillbekept3先行词被alla
yeveryeachfewlittle
osome等修饰,如Iveeate
upallthefoodthatyougaveme4先行词被theo
lytheverythesamethelast修饰时如Heistheo
lyperso
thatIwa
ttotalkwith5先行词既有人又有物时,如Theytalkedaboutperso
sa
dthi
gsthattheymet6当句中已有who时,为避免重复,如:Whoisthema
thatisgivi
gusthe
fclass6由whe
wherewhy引导的定语从句,如Ido
tk
owthereaso
whyhewaslateThisistheplacewherewehavelivedfor5yearsIll
everforgetthedaywhe
ImetMrLiforthefirsttime注意:先行词是表示地点时,如果从句的谓语动词是及物的,就用thatwhich,如果从句的谓语动词是不及物的,就用where引导。ThisisthehouseWhichr
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