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as的倒裝句的用法有哪些(2)

時(shí)間: 楚欣650 分享

  as用作連詞引導(dǎo)時(shí)間狀語(yǔ)從句

  as與when,while都是引導(dǎo)時(shí)間狀語(yǔ)從句的從屬連詞,含義都是"當(dāng)……的時(shí)候".但它們有區(qū)別:用when時(shí),從句的動(dòng)作可以與主句的動(dòng)作同時(shí)發(fā)生,也可以先于主句的動(dòng)作發(fā)生;用while時(shí),從句的動(dòng)作為一過(guò)程,主句動(dòng)作與從句動(dòng)作同時(shí)進(jìn)行或在從句動(dòng)作過(guò)程中發(fā)生;用as時(shí),主句和從句的動(dòng)作同時(shí)發(fā)生,具有延續(xù)的含義.例如:

  (1)It was snowing when he arrived at the

  construction site.他到達(dá)工地時(shí),天正在下雪.

  (2)He was watching TV while his mother

  was cooking.他母親做飯時(shí)他在看電視.

  (3) You will grow wiser as you grow

  older.你會(huì)隨著年齡的增長(zhǎng)而越來(lái)越聰明.

  3. as用作連詞引導(dǎo)原因狀語(yǔ)從句

  as,because,since都可以表示因果關(guān)系,連接原因狀語(yǔ)從句,含義是"因?yàn)?由于",但它們有區(qū)別:because表示的語(yǔ)氣最強(qiáng);as一般放在句首,語(yǔ)氣較弱,較口語(yǔ)化;since常常用在書面語(yǔ)中,表示多為對(duì)方已知的、或稍加分析便可得知的原因,有時(shí)可譯作"既然".例如:

  (1) He will succeed because he is in

  earnest.他一定會(huì)成功,因?yàn)樗苷J(rèn)真.

  (2) Since you are so sure of it he”ll

  believe you.既然你對(duì)此如此有把握,他會(huì)相信你的.

  (3) As rain has fallen, the air is

  cooler.因?yàn)橄逻^(guò)雨,空氣比較清爽.

  4. as作連詞引導(dǎo)讓步狀語(yǔ)從句

  as與although (或though),however (或no matter how)等都可以引導(dǎo)讓步狀語(yǔ)從句,含義是"雖然,盡管",但它們有區(qū)別:although語(yǔ)氣稍正式些,可放在句首,也可放在句中,主句中不能再用but,但可以用yet;as所表示的語(yǔ)氣較強(qiáng),引導(dǎo)的讓步狀語(yǔ)從句用倒裝語(yǔ)序;however引導(dǎo)讓步狀語(yǔ)從句時(shí),它的后面可跟形容詞或副詞,也要用倒裝語(yǔ)序.例如:

  (1) Although he is quite old, he still

  jogs every day.他雖然年紀(jì)相當(dāng)大,仍然每天慢跑.

  (2) Strange as it may seem, nobody was

  injured in the accident.這次意外雖然顯得令人不可思議,卻沒有人受傷.

  (3) However hard he may try, he will not

  attain his goal.無(wú)論他怎樣努力也達(dá)不到目標(biāo).

  as作關(guān)系代詞的用法

  關(guān)系代詞as引導(dǎo)定語(yǔ)從句時(shí),既可以單獨(dú)使用,也可以與其他詞連用,其用法要比that和which更為復(fù)雜.

  1. as引導(dǎo)定語(yǔ)從句與其他詞連用

 ?、儆糜趖he same...as結(jié)構(gòu)中

  This is the same book as I read last

  week.這本書和我上周讀的那本是一樣的.

 ?、谟糜趕uch...as結(jié)構(gòu)中

  I don”t like such books as he

  recommends.我不喜歡他推薦的那些書.

 ?、塾糜?quot;so +adj. + a/an + n. (單數(shù)) + as "結(jié)構(gòu)中

  I am not so strong a man as I

  was.我已經(jīng)沒有從前那么強(qiáng)壯了.

  2. as單獨(dú)引導(dǎo)定語(yǔ)從句

  as單獨(dú)引導(dǎo)定語(yǔ)從句時(shí),先行詞可以是一個(gè)詞,也可以是一個(gè)句子或短語(yǔ).例如:

  (1) She is late, as is often the

  case.她遲到了,這是經(jīng)常的事.(先行詞是整個(gè)主句)

  (2) To shut your eyes to facts, as many

  of you do, is foolish.對(duì)事實(shí)視而不見--你們好多人都是如此的愚蠢.(先行詞是不定式短語(yǔ))

  as作介詞的用法

  as作介詞,意思是"作為","以……身份".例如:

  He came to China as a tourist five years

  ago.他五年前以游客的身份來(lái)過(guò)中國(guó).

  as作副詞的用法

  to the same degree or amount; equally

  "相同地","同樣地".例如:

  They don”t have as many

  airplanes.他們沒有同樣多的飛機(jī).

  not as.as 不如,不及

  句型:A+v.(包括be動(dòng)詞和行為動(dòng)詞)+not as +形容詞和副詞的原級(jí)+as+B(A和B指人)

  I'm not as tall as you. 我比你矮;我沒有你高

  Jack doesn‘t run as fast as Tom.杰克比湯姆跑得慢;杰克沒有湯姆跑得快


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