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as开头的定语从句

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下面是小编整理的as开头的定语从句,欢迎阅读!

as开头的定语从句

  as开头的定语从句解释:

引导限制性定语从句时要和the same,such,so/as```连用;引导非限制性定语从句时可位于主句之前,之中或之后,代主句全部内容.

如何区分As和Which引导的定语从句

1、关系代词在非限定性定语从句中代替主句中某一个名词或词组,并对该名词或词组进行补充或说明时,只能用which.

Thebook,whichIboughtyesterday,isveryinteresting.

Lastnight,Isawafilm,whichwasaboutLongMarch.

2、关系词在非限定性定语从句中代表主句中谓语部分的整个概念的只能用which.

HecanwritealetterinEnglish,whichIcannot.

Iaskedhimtolendmehisbike,whichhedid.

3、关系词在非限制性定从中代表主句所表达的整个内容,并当关系词等于andthis时,只能用which.

Thestemsofbambooarehollow,sraininghard,whichkeptusindoors.

4、关系词在非限制性定从中代表主句所表达的整个内容,并关系词等于whichfact时,只能用as

Thiselephantislikeasnake,meveryearlythismorning,aswasusual.

5、关系代词所引导的.非限定性定从放在主句之前时,只能用as.

Asweallknow,TaiwanisapartofChina.

6、非限定性定从的谓语为say,know,imagine,announce,show,report,expect,explain,pointout等动词的被动形式时,只能用as.

Heisafamousscientist,asiswellknown.

Asisannouncedintoday’snewspaper,AmericanpresidentwillpayavisittoChina.

7、关系词在非限定性定从中代表主句中的表语意思,并在从句中作表语时,只能用as.

Thisquestionisverysimple,asindeeditis.

Thisquestionisquiteeasy,asareallofthequestionsinthefollowing.

8、如果定语从句的内容对主句有消极作用或含义不一致,则从句用which引导,如果语义一致时,则常用as引导。

Shedidnothingbutsitthere,whichshowedherlaziness.

Ourteamlostthegameatlast,whichmadeusdisappointed.

9、从句中的谓语是复合结构时,用which引导。

Bobalwaystellsalie,whichhisparentsfindstrange.

10、从句是否定结构时,多用which.

MrSmithoftenpraisedhisstudentRoseinpublic,whichshedidn’tlikeall.

11、在从句中作主语时,as多用于被动语态,which多用于主动语态。

Hehasbeenlateagain,asisexpected.