as引导的定语从句.ppt

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1、As引导的定语从句Unit 5By Cheng Juan As 引导的定语从句引导的定语从句AsAs引导的定语从句主要用在以下结构引导的定语从句主要用在以下结构“suchas”, ”the same as”,”soas”, “suchas”, ”the same as”,”soas”, ”asas”asas”I dont like I dont like such such manman as as you are. you are. (as (as在从句中作表语在从句中作表语) )Dont read Dont read such such booksbooks as as you cant

2、understand. you cant understand. (as(as在从句中作宾语在从句中作宾语) ) Attributive ClauseAttributive ClauseAttributive ClauseAttributive ClauseThere are There are as as many booksmany books as as are needed. are needed.(as(as在从句中作主语在从句中作主语) )Take Take as as many booksmany books as as you want. you want.(as(as在从句中

3、作宾语在从句中作宾语) )Here is Here is so so big a stonebig a stone as as no man can lift. no man can lift.(as (as 在从句中作宾语在从句中作宾语) )Such Such questionsquestions as as are often asked by are often asked by schoolboys are interesting. schoolboys are interesting. (as as在从句中作主语在从句中作主语)Here is Here is so so big a

4、stonebig a stone as as no man can lift. no man can lift.(as (as 在从句中作宾语在从句中作宾语) )Attributive ClauseAttributive ClauseId like to use Id like to use thethe same same knife knife as as was used was used yesterday. (as yesterday. (as 在从句中作主语在从句中作主语) )That is That is thethe same same book book as as I sh

5、owed you the I showed you the other day. (as other day. (as 在从句中作宾语在从句中作宾语) ) Attributive ClauseAttributive ClauseAs 引导非限定性定语从句引导非限定性定语从句,代替整个句子代替整个句子,不可指不可指代名词代名词,which 引导定语从句即可指代整个句子引导定语从句即可指代整个句子,也可指代名词先行词也可指代名词先行词, as 可在句首可在句首,也可在句后也可在句后,而而which只能在句后只能在句后,不可在句首不可在句首. He was late for school, He w

6、as late for school, as (which)as (which) is often the is often the case. case. As As is known to all (is known to all (As As everybody knows), the everybody knows), the earth moves around the sun earth moves around the sun. ( . (不可换不可换which)which) Attributive ClauseAttributive ClauseHe won the first place, as we expected.He won the first place, as we expected. as is expected. as is expected. which we expected. which we expected. as is said/as is reported/as is known