1、英語(yǔ)基礎(chǔ)知識(shí)積累-asas句型的用法英語(yǔ)基礎(chǔ)知識(shí)積累-asas句型的用法asas句型的用法1一、“as(否定句中可用so)+adj./adv.+as”，其基本意思為“和一樣”。但在實(shí)際應(yīng)用中，此結(jié)構(gòu)在不同的語(yǔ)境中含義差異較大。1、表示不同人或物同一性質(zhì)的比較，意為“和一樣"。The tree is as tall as the building(is).這棵樹和那棟樓一樣高。Michael is as bright as George(is).邁克爾和喬治一樣聰明。2、表示同一個(gè)人或物不同性質(zhì)的比較，意為“既又”Alice works as happily as(she)plays(

2、happily).艾麗絲愉快地工作，盡情地玩。Danny is not so wise as he is witty.丹尼為人風(fēng)趣，但欠明智。3、用于表示兩個(gè)人或物不同性質(zhì)的比較，表示程度相同或相當(dāng)，意為“而”。He was as handsome as his wife was beautiful.他長(zhǎng)得非常英俊，他的妻子也長(zhǎng)得非常漂亮。He was as experienced as his brother was green.他經(jīng)驗(yàn)豐富，而他兄弟卻涉世未深。asas句型的用法2二、asas結(jié)構(gòu)的另一種形式是“as much/many+名詞+as+從句”。Mary has written

3、as many essays as her brother.瑪麗寫的文章篇數(shù)和她弟弟一樣多。It is as much your fault as your wifes.這既是你的過(guò)錯(cuò)，也是你妻子的過(guò)錯(cuò)。Henry is as much a hypocrite as·John.亨利跟約翰一樣是個(gè)偽君子。asas句型的用法3三、若有修飾成分，如twice，three times，half，a quaer等，必須置于第一個(gè)as之前。You are not half as clever as you think you are.你可不像自己想象的那么聰明。She isnt going ou

4、t with a man who is twice as old as she.她不打算和一個(gè)比她大一倍的人出去散步。Youve made just as many mistakes as I have.我和你犯的錯(cuò)誤一樣多。Weve produced twice as much cotton this year as we did lastyear.我們今年的棉花產(chǎn)量是去年的兩倍。asas句型的用法4四、asas結(jié)構(gòu)的另一變體形式是“as+形容詞原級(jí)+名詞詞組+as”I don't want as expensive a car as this.=I don't want a

5、 car as expensive as this.我不要這么貴的汽車。Tony is as clever a boy as his brother.托尼是一個(gè)和他兄弟一樣聰明的男孩。asas句型的用法5五、當(dāng)asas與表示重量、數(shù)量、時(shí)間、距離、價(jià)格等的計(jì)量名詞連用時(shí)。往往并不表示比較。而是構(gòu)成一個(gè)形容詞組，意為“重達(dá)，多達(dá)，高達(dá)”等。The river is as deep aslO meters.這條河深達(dá)10米。Frosts often occur as late as May.往往到5月份還有霜。asas句型的用法6六、“as+原級(jí)+as any(或ever)”、“as+原級(jí)+asc

6、an be”、“nothing(或no)+so+原級(jí)+as”等結(jié)構(gòu)表達(dá)的是最高級(jí)意義。即在某種程度上或某方面達(dá)到極限或最大限度。He is as great a mathematician as any.他是一位非常杰出的數(shù)學(xué)家。He is as happy as happy can be.他幸福無(wú)比。No one is so deaf as those who wont listen.最聾者莫過(guò)于不聽勸說(shuō)的人。asas句型的用法7七、asas不表示比較的幾個(gè)常見句型。as possible/sb can盡可能的Please answer my question as soon as possible.請(qǐng)盡快回答我的問(wèn)題。The detective is searching the man as carefully as he can.那個(gè)偵探正在盡可能仔細(xì)地搜查那個(gè)男子的身體。as usual/before像以前一樣She looks as pretty as before.她看起來(lái)和以前一樣漂亮Though they failed，they still worked as hard as usual.盡管他們失敗了，但他們?nèi)韵褚郧耙粯优ぷ鳌?long as只要，引導(dǎo)條件狀語(yǔ)從句I will stay with you as long as there is a roo