as不同词性用法小结(齐全).ppt

as 用法小结,4,6.练习,5,Look at the following sentences with “as” and telling its part of the speech. 1 As time goes by, we gradually realize that its 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, Ive 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 Its 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 cant 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. 用于the same.as结构中 This is the same book as I read last week. 用于such.as结构中 I dont like such books as he recommends. 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 is often the case, she is late. 恰如平常一样，她又迟到了。 (先行词是整个主句) (2) He is very careful, as his work shows. 他非常小心，恰如他的工作所展现出来的一样。 (先行词是整个主句) 类似的常用表达还有： As we all know, As is known to all, As is mentioneddiscussed above, As we have mentioneddiscussed above, ,is generally accepted, economical growth is determined by the smooth development of production. A. What B. that C. it D. As,D,is known to the world, Mark Twain is a great American writer. A. That B. which C. as D. it,C,（3）as作介词的用法,as作介词，意思是“作为“，“以身份“。 例如： He came to China as a tourist five years ago. 常用于以下短语结构: look at see consider recognize view think of treat acknowledge regard look upon describe define use serve workas. be famouswell-known as ,as和 like 都可以做介词,但词义是不同的, as 作为, 以资格, like 像.与相似,1 As a scientist, he dedicated to the truth. 2 He wants me to go with him as his secretary. 3 She works like a beaver. 她工作勤勤恳恳,1 every other member of the team, he wore an official uniform in the victory parade. A. Like B. as C. the same as D. as an 2 He works engineer. A. Like B. as C. the same as D. as an,A,D,（4）as作副词的用法,as做副词，表示同等程度，数量，质量等作“一样地”解释，常用在asas结构当中. as many as as much as as good as as quickly as ,（5）几个关于as.as的常见句型：,(1)as.as possible as as one cancould 尽可能地 .Please answer my question as soon as possible (2)as.as usual/before 像以前一样 .She looks as pretty as before. (3)as long as. (也可引导条件状语从句) 只要，和一样长 .It took us as long as three years to carry out the plan. (4)as far as 远至，就而言 as far as I know; as far as I can tell; as far as Im concerned; .He walked as far as 5 kilometers yesterday evening. (5)as well as 和一样好；也，又，还 .She cooks as well as her mother does.,带有as.as结构的常见短语：,as busy as a bee as easy as ABC as deep as a well as light as a feather as soft as butter as rich as a Jew ,（6） Exercise Homework: 在书本上P30-31找到含有 as的句子并且分析它的用法：,P2：(L3)as the rocket rose . as是_词，意为_. (L9-L10) as strong a pull as the earths “asas”意为_,第一个as是_词，第二个是as_词。,随着,P3：（L7）twice as far as “asas”意为_,第一个as是_词，第二个是as_词。,连（时间状从）,与一样(强的引力）,副,连,是一样（两倍多）,副,连,P4. (L1) as painful as leaving the earths 。 “asas”意为_,第一个as是_词，第二个是as_词。,P4.(L2) amazed as fire broke out on the outside of the spaceship as the earths gravity increase. 第一个as是_词,意为_;第二个as是_词,意为_.,P4.(L4) Again we were pushed hard into our seats as we came back to land. as是_词，意为_.,与一样（痛苦）,副,连,连(原因状从）,因为,连（时间状从）,随着,连(时间状从）,随着,1 Please answer my question _. 请尽快回答我的问题。 2 请尽量走慢点。我好累。 Please walk _ because I am tired. 3 Please answer my questions _. 请尽可能勇敢滴回答我的问题。 4 She looks _。 她看起来和以前一样漂亮 5 The village is _. 这个村庄一如既往地安静。 6 10年之后我再见他，他还是像以前一样乐观。 When I met him 10 years later, he is_.,as soon as possible,as slowly as possible,as bravely as you can,as pretty as before,as quiet as beforeusual,as optimistic as before,7 It took us _ to carry out the plan. 我们花了长达三年的时间才完成这项计划。 8 据说一个男人要是有了幽默感，就可以征服女人了。 I