as 与 which 的引导非限定性定语从句的区别 ★as一般代替整个句子, 作主语或宾语 从句则可以放句首, 句中或句尾, 表示“正如” ，“或像?一样” ★如从句中行为动词是主动语态，一般要用which 作主语。
as sb know /see / expect / suppo
se as is known / reported / expected/ mentioned as is often the case(这是常有的事)
She has been late again, _______ was expected.
which Tom has made great progress, _______ made us happy.
Asis known to all, the earth is round. ___
=____ As we all know, the earth is round.
as/which =the earth is round, _______ is known to all.
= ____is known to all that the earth is round.
It =____ is known to all is that the earth--what
1.需掌握的由where引导的特殊定语从 句 In order to get started in this career,I’m willing to accept any where position(职位) ______ I can show my abilities. 定语从句
case(情况) ,situation(情形), point(程度), occasion(时机)， 状语从句 stage(阶段) ，activity, family,…
1. I often come across some cases ______ where children are abused by adopted parents. 2. I often come across some cases which/that are looked into by the police. __________
where members get 1.The families _______ along well are always harmonious.
which/that consist of 2. The families ____________ many members are big families.
He has 3 sons, none of whom _____ lives here. He has 3 sons, but none ofthem ____lives here. it I like the house, because the door of ___ is beautiful. which is I like the house, the door of ______ beautiful.
them I have many books, and most of ______ are in English. which are I have many books, most of ______ in English.
强调句型： It is/was+被强调的成份+that/who+其它?
去掉 It is/was….that/who… ,句子照样成立;
1) that lived a. It room _____I last year. It is is in inthis this room _____I lived last year. where lived last year. b. It is the room _______I
2) a. It o’ _____he wentwent It was wasat atseven seven oclock ’clock _____he that to this morning. toschool school this morning. b. It was seven o’clock _______he when went to school this morning.
It was the boy ___ had been in prison ___ stole the money. A. who, where B. that, how C. who, that D. that, which
It was just in the room ____ he was born ___ he died. A. where, which B. that, that C. where, that D. which, that
1) The wrong you’ve done to him is terrible, for _____ I think you should make an apology to him. A.this B. which C. what D. that 2) The time is not far away _____ modern communications will become widespread in China’s vast countryside. A. as B. when C. until D. before
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