1）enough用作副同,充当形容词或副词修饰语,但必须后置.又如：①He walks slowly enough. 他走得够慢的了.②This article is difficult enough to write.这篇文章够难写得了.2）enough用作代词,既可代表可数名词,也可代表不可数名词.如：①----Do you need more chairs?你们还要椅子吗?----No. I think there are enough to go round.不要了,我想够用了.②At the end of six months he had learned enough to read articles and reports in Russian. 六个月底,他已经学得足以用俄语读文章和报告了.3）enough用作形容词作定语时,可修饰可数名词或不可数名词,可放在被修饰的名词前或后.如：①There are enough seats（seats enough）for them all.有足够的座位让他们都坐下.②I have enough time（time enough）to finish the work.我有足够的时间来完成这项工作.
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