1、enough可以作名词、代词,意思是足够;充分"。作代词可以代替可数名词或不可数名词,在句中作主语或宾语。如:
Enough has bee n said on this subject. 关于这一问题说得已 经足够多的了。
No, thanks. I've had enough. 不,谢谢。我已吃饱了。(enough= enough food)
【注意】当enough后的名词前有冠词、形容词性物主代词、指示代词或其本身就是代词时,要用介词of。 如: We've had enough of your coldness. 我们已经受够了你的冷漠。
2、enough作形容词,意思是"足够的 ;充分的",常与for或不定式连用,可以作定语或表语。作定语置于被修饰的名词前后均可,前置时强调enough,后置时强调被修饰词。如:
(NMET95第22题题干) I hope there are enough glasses for each guest to have ______.
Five men will be quite enough. 五个人就足够了。
3、enough作副词的意思是 "十分地;充分地;足够地;充足地",置于被修饰的形容词或副词之后,常与不定式或介词for连用 ,在句子中作状语,表示程度。如