尖峰户外弓弩:enough的语法怎样区分

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enough一词在英语中既可放在被修饰的词之前,又可放在被修饰的词之后。因此很多同学觉得enough 很难理解。其实这涉及到enough的词性问题。请看下面几个例句:

1. He is not old enough to go to school. 他年龄太小,不能去上学。

2. But there were not enough people to pick them. 但是没有足够的人采摘它们。

3. Six bottles of wine will be enough. 六瓶葡萄酒就够了。

要想搞清楚上面3个句子中enough的词性及含义,得先掌握它的用法规律。

[一号档案] enough作副词用时,意为“充分地;足够地”,通常要把它放在所修饰的形容词、副词或动词的后面,常与不定式或介词for连用。如:

1. You don't practise enough at the piano. 你钢琴弹奏练习得不够。

2. Is the river deep enough for swimming? 河水够深来游泳吗?

[二号档案] enough作形容词,意为“充足的;足够的”,在句中可作定语或表语。作定语时,一般放在它所修饰的名词前面。如:

1. I have enough money to buy a colour TV set. 我有足够的钱买台彩电。

2. Fifteen minutes is enough time for you to have a coffee. 15分钟够你喝杯咖啡了。

[三号档案] enough也可作代词用,意为“充分;足够”。如:

I have had enough, thank you. 谢谢你,我吃饱了。

看了以上有关enough的用法档案,同学们不难发现:在例句1中,enough是副词,作状语,用来修饰形容词old;而在句2中,enough是形容词,作定语,修饰名词people;句3中enough 是代词。

参考文献:http://www.ecp.com.cn/ecp/Article_Show.asp?ArticleID=4645
好运!!!

enough
两个情况
adj时. +名词 如:enough food
adv.+形容词 如: big enough