as不同词性用法小结PowerPoint 演示文稿.ppt

. as 用法小结 介词 3 连词 1 关系 代词 2 副词 4 4 6.练习 固定词组 5 5 Look at the following sentences with “as” and telling its part of the speech. 1 As time goes by, we gradually realize that it’s not easy for our parents to bring us up. 2 I read the letter as I walked along the river. 3 They regard him as their leader. 4 He came to China as a tourist five years ago. 1+2: as做连词 3+4: as做介词 Look at the following sentences with “as” and telling its part of the speech. 5 As you know, I’ve decided to leave at the end of the month. 6 Paul runs fast, but I run just as fast. (I run just as fast as he does.) 7 She will go there as well as Lucy. 8 It’s said that as long as a man has a sense of humor, he will conquer the female . 5:as作关系代词 6:as1作副词，as2作连词 7+8: as引导的习惯性短语 （1）as做连词 As引导状从，可表时间、原因、让步、方式等。 1 Strong as he is, he is afraid of injection. 2. Doctor as she is, she can’t cure her own disease. 3.As the wealth of the country increases, more waste will be produced. 4.As I was going out the telephone rang. 5. As the weather was fine, we decided to walked to the restaurant. 6. When in Rome, do as Romans do. 1+2: as引导让步状语从句 3+4: as引导时间状语从句 as引导原因状语从句 as引导方式状语从句 Diligent he was, he failed in the English final exam. A. Though B. although C. as D. like Although he was diligent, he failed in the English final exam. √ C , he does get irritated with her sometimes. As he likes her much Much though he likes her Though much he likes her Much as he likes her D （2）as做关系代词 关系代词as引导限定性定语从句时，一般用于 固定结构当中；引导非限定性定语从句时，一般翻 译成“恰如，正如”，修饰一整个句子或短语。 1. ①用于the same...as结构中 This is the same book as I read last week. ②用于such...as结构中 I don’t like such books as he recommends. ③用于so +adj. + a/an + n. (单数) + as 结构中 I am not so strong a man as I was.我已经没有从前那么强壮了。 as单独引导定语从句时，先行词是一个句子或短语。可以放句首，也可以放句末。放句首居多。例如： (1) As i