as在定語從句中的詳細(xì)用法

1、【精品文檔】如有侵權(quán)，請聯(lián)系網(wǎng)站刪除，僅供學(xué)習(xí)與交流as在定語從句中的詳細(xì)用法.精品文檔.as引導(dǎo)的定語從句(1) as引導(dǎo)的定語從句修飾表人或物的先行詞，即先行詞可以是人也可以是物；在定語從句中可以做主語、賓語或表語；常用于the sameas/suchas/as(so)as句型，as不論在定語從句中作何成分，均不能省略。Such teachers as know Tom think him bright. 先行詞為人such teachers， as作主語Ill buy the same bike as I lost yesterday. 先行詞為物the same bike，as作賓語

2、,指同一類事物此時注意和the same that 引導(dǎo)的定語從句的區(qū)別 Its the same bike that I lost yesterday. that引導(dǎo)定語從句，作賓語，指同一個事物She wore the same dress that she wore at Marys wedding. (the samethat特指同一個)她穿著她在Mary婚禮上穿過的同一條裙子。 She wore the same dress as her young sister wore. (the sameas 泛指同一類)她穿著和她妹妹所穿的一樣的裙子。That is the same wat

3、ch as I lost. 那塊手表和我丟失的一模一樣。(the sameas 泛指同一類)That is the same watch that I lost. 那就是我丟失的那塊手表。 (the samethat特指同一個)The school is just the same one as it was 10 years ago. 先行詞為物the same one (school), as作表語Its so heavy a box as no one can lift. 先行詞為物so heavy a box，as作賓語此時應(yīng)注意as引導(dǎo)的定語從句和結(jié)果狀語從句such / sotha

4、t 的區(qū)分Its so heavy a box that no one can lift it. 結(jié)果狀語從句so that 如此 以至于 He is such a good student as is liked by everyone. (定語從句，as在從句中作主語) He is such a good student that he is liked by everyone. （結(jié)果狀語從句suchthat） that在從句中不充當(dāng)任何成分，故不是定語從句，而是結(jié)果狀語從句(2) as引導(dǎo)的非限制性定語從句可以修飾整個主句, 可以放在主句前，主句后或插入主句中間。此時as含有“正如”

5、之意。常用的as引導(dǎo)的非限制性定語從句固定表達(dá)有：as we all know / as everyone knows / as is known to all / as is well-known (眾所周知)/ as I can remember(正如我所記得的) / as we expect / as was expected (正如預(yù)料的那樣)/ as often happens / as we all can see / as can be seen / as has been said before (如前所述)As everyone knows, Shakespeare is a

6、 famous writer.Shakespeare is a famous writer, as everyone knows. Shakespeare, as everyone knows , is a famous writer.(3)注意which引導(dǎo)的非限制性定語從句也可以修飾整個主句, 但不能放在主句前，常譯為“這一點、這件事”。She is working hard, which everyone can see. which引導(dǎo)的非限制性定語從句不能放在主句前She is working hard, as everyone can see.As everyone can see, She is working hard.(4)注意當(dāng)修飾整個主句時，as引導(dǎo)的非限制性定語從句含“正如”之意，因此在意義上不能和主句相抵觸；which引導(dǎo)的非限制性定語從句則無此限制。如： Our team lost the game, which w