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不定代詞enough的用法總結

  一、enough可以作名詞、代詞,意思是"足夠;充分"。作代詞可以代替可數名詞或不可數名詞,在句中作主語或賓語。

  例句:

  Enough has been said on this subject.

  關於這一問題說得已經足夠多的了。

  注意:當enough後的名詞前有冠詞、形容詞性物主代詞、指示代詞或其本身就是代詞時,要用介詞of。

  例句:

  We've had enough of your coldness.

  我們已經受夠了你的冷漠。

  二、enough作形容詞,意思是"足夠的;充分的'",常與for或不定式連用,可以作定語或表語。作定語置於被修飾的名詞前後均可,前置時強調enough,後置時強調被修飾詞。

  例句:

  Five men will be quite enough.

  五個人就足夠了。

  三、enough作副詞的意思是 "十分地;充分地;足夠地;充足地",置於被修飾的形容詞或副詞之後,常與不定式或介詞for連用 ,在句子中作狀語,表示程度。

  例句:

  When they reached the burning building they found that their ladders were not long enough to reach the people who were trapped.

  當他們靠近烈火熊熊的大樓時,他們發現梯子不夠長,夠不著那些被火圍困的人。

  四、enough作感嘆詞時意思是"夠了;停止;住手;不要再繼續了",用以表達不耐煩或惱怒。

  例句:

  You've been practising the violin all afternoon. Enough!

  你整個下午都在練小提琴。夠了!

  五、用在"主語+cannot...+enough"句型中該句型形式上是否定句型,實際上表達的是肯定意義,意思是"再……也不過分;越……越……"。

  例句:

  I cannot thank you enough.

  我對你感激不盡。(我怎麼感謝你都不算過分。)

  六、enough還可以用於以下的短語中

  1、sure enough 果真;確實。

  例句:

  He said he would come, and sure enough he came.

  他說要來,果然來了。

  2、well enough 還不錯; 還可以; 相當; 很; 極。

  例句:

  You know well enough.

  (口)你明明知道。(你心裡明白。)

  3、be good / kind enough to do sth. 勞駕; 務請做某事。

  例句:

  Be good / kind enough to reply early.

  請早日賜復。