enough+名词与名词+enough的区别

enough 修饰名词时可放在名词前,也可放在名词后,但习惯上一般是放在名词前,这两种用法是一样的.
但enough 修饰形容词或副词时,一定要放在形容词或副词后.如
I have enough time to do it .
The boy is old enough to go to school .可以再举两个例子吗They have enough exercises to do . They are careful enough to do their homework .