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2023年高考英語知識點總結:as請關注我們網站

2022-12-21 高考

  祝福網高考網為您提供2023年高考英語知識點總結:as請關注我們網站的更新!

  總結2023年高考英語知識點:as用法大全

  一、as用作連詞

  1. as...as的用法

  as...as意為"和……一樣",表示同級比較。使用時首先要注意as第二個是副詞as它的基本結構是:as adj./ adv. as。例如:

  (1)This film is as interesting as that one.這部電影和那部電影一樣有趣。

  (2)Your pen writes as smoothly as mine.你的鋼筆和我的一樣流暢。

  其否定式為not as/so adj./ adv. as。例如:

  This dictionary is not as/so useful as you think.這本字典沒有你想象的那么有用。

  若有修飾成分,如twice, three times, half, a quarter等等,必須放在第一位as以前。

  Your bag is twice as expensive as mine.你的袋子比我的貴一倍。

  幾個關于as...as常見句型:

  (1)as...as possible

  Please answer my question as soon as possible.請盡快回答我的問題。

  (2)as...as usual/before

  She looks as pretty as before.她看上去和以前一樣漂亮。

  (3)as long as... (引導條件狀語從句)

  It took us as long as three years to carry out the plan.

  我們花了三年時間完成這個計劃。

  (4)as far as

  He walked as far as the railway station yesterday evening.

  他昨晚一直走到火車站。

  (5)as well as

  She cooks as well as her mother does.她和媽媽一樣擅長做飯。

  一些帶有as...as結構中常見的短語歸納:

  as busy as a bee像蜜蜂一樣忙碌

  as easy as ABC像ABC一樣容易

  as deep as a well像井一樣深

  as light as a feather像羽毛一樣輕

  as soft as butter和黃油一樣軟

  as rich as a Jew像猶太人一樣富有

  2. as用連詞引導時間狀語從句

  as與when,while都是引導時間狀語從句的從屬連詞,意思是"當……的時候"。但它們有區別:使用when從句的動作可以與主句的動作同時發生,也可以先于主句的動作;使用while以從句動作為一個過程,主句動作與從句動作同時進行或發生在從句動作過程中;使用as主句和從句的動作同時發生,具有延續意義。例如:

  (1)It was snowing when he arrived at the construction site.當他到達工地時,天正在下雪。

  (2)He was watching TV while his mother was cooking.他媽媽做飯時,他在看電視。

  (3) You will grow wiser as you grow older.隨著年齡的增長,你會變得越來越聰明。

  3. as用連詞引導原因

  as,because,since可以表示因果關系,連接原因狀語從句,意思是"因為,由于",但它們有區別:because語氣最強;as一般放在句首,語氣弱,口語化;since常用于書面語言,表示大多是對方已知或稍加分析就能知道的原因,有時可以翻譯成"既然"。例如:

  (1) He will succeed because he is in earnest.他一定會成功,因為他很認真。

  (2) Since you are so sure of it he”ll believe you.既然你這么肯定,他會相信你的。

  (3) As rain has fallen, the air is cooler.因為下雨,空氣更清爽。

  4. as連詞引導讓步從句

  as與although (或though),however (或no matter how)可以引導讓步狀語從句,意思是"雖然,盡管",但它們有區別:although語氣稍微正式一點,可以放在句首或句中,主句不能再用了but,但可以用yet;as語氣強,用倒裝語序引導讓步從句;however引導讓步狀語從句時,可以跟隨形容詞或副詞,也可以使用倒裝語序。例如:

  (1) Although he is quite old, he still jogs every day.雖然他很老,但他仍然每天慢跑。

  (2) Strange as it may seem, nobody was injured in the accident.

  雖然這次事故令人難以置信,但沒有人受傷。

  (3) However hard he may try, he will not attain his goal.不管他怎么努力,他都達不到目標。

 

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