enough既可作形容词，也可作副词，还可作代词，用法如下：

用口诀巧记enough的用法→

修饰名词可前后，修饰形副要放后；

后面还可加 to do，用作名词表足够。

例如：

1.My father didn't bring enough money,

so We only had one bowl of rice and some fish.

我爸爸没有带足够多的钱，因此我们只吃了一些米饭和一些鱼。

2.My little brother is 7 years old. He's old enough to go to school.

我弟弟7岁了，他到上学的年龄了。

3.enough books/books enough.

足够的书。

4. careful/hard enough.

足够细心/足够努力。

5.Enough has been said about this word.

关于这个词说得已经够多了。

Exercise:

判断句子正误，对的写“R”；错的写“W”。

1.He has enough milk. ( )

2.He has milk enough. ( )

3.He is old enough.

4.He reads quickly enough.

5.She is enough old.

6.He reads enough quickly.

7.There are enough long ropes for them to use.

8.The ropes are long enough.

Key:

1.R 2.R 3.R 4.R 5.W 6.W 7.R 8.R