限制性定語(yǔ)從句修飾先行詞,對(duì)先行詞起修飾作用,不同引導(dǎo)詞有不同的含義和用法,下面,小編就來(lái)給大家分享一下選擇定語(yǔ)從句的引導(dǎo)詞的技巧,一起來(lái)看看吧!

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引導(dǎo)詞as可引導(dǎo)限制性定語(yǔ)從句,也可引導(dǎo)非限制性定語(yǔ)從句。

1.在固定詞組the same...as,such...as中,as引導(dǎo)限制性定語(yǔ)從句。如:

He is not such a fool as he looks

I've bought the same dress as she is wearing

2.當(dāng)先行詞是整個(gè)主句時(shí),可用 as which引導(dǎo)非限制性定語(yǔ)從句。引導(dǎo)詞aswhich的區(qū)別在于:

as引導(dǎo)的非限制性定語(yǔ)從句可放于主句前、主句中、主句后,而which引導(dǎo)的非限制性定語(yǔ)從句一般放于主句后或句中。

as常與從句中的knowsee, hear,expect等動(dòng)詞連用,也常用于as often happens,as is often the case(常有的事)等句子中;而which一般不用于以上情況。

as有“正如”的含義,which沒有此含義。如:

As is well known,Shanghai is a big city

Some of the roads were flooded which made our journey more difficult

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關(guān)系代詞who,whomwhose, whichas能引導(dǎo)非限制性定語(yǔ)從句,而that不能;非限制性定語(yǔ)從句中即使缺賓語(yǔ),引導(dǎo)詞也不能省略;關(guān)系副詞when,where能引導(dǎo)非限制性定語(yǔ)從句,而why不能。如:

Abraham Lincolnwho led the United States through the Civil War years,was shot on April 14,1865

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以上就是有關(guān)選擇定語(yǔ)從句的引導(dǎo)詞的技巧的內(nèi)容了。希望能給大家?guī)?lái)相應(yīng)的幫助,喜歡就趕快收藏起來(lái)吧~