分类：教育/科学-外语学习-英语考试
问题：beafraidof这是固定用法吗讲解一下 
讲解一下
回答：be afraid of 这是固定用法,后接名词/代词/动名词;

be afraid 后还可接to do 和that从句
e.g. I'm afraid of dogs.
     I'm afraid of him.
     I'm afraid of being late for class.

     He is afraid to go out at night.

     He is afraid that his father will beat him.