英语中be afraid of 的用法是什么，还有，它与be afraid to什么不同

表示“害怕做某事”或“不敢做某事”,be afraid 之后可接不定式,也可接 of doing sth.如：
She was afraid to
tell [of telling] you.她害怕告诉你.
She is afraid to go [of going] out alone late
at night.她很怕深夜独自外出.
但若要表示担心可能会发生某事,则只能用 be afraid of doing而不能用 be afraid to
do.如：
She is afraid of lagging behind the others.她怕落在别人后面.
She didn’t tell
him because she was afraid of upsetting him.她没有告诉他,因为怕他不安.

afraid的用法
1.意思是怕，害怕，是形容词，通常与to be连用，可以广泛的用以表示害怕心理。
例：He is afraid to
jump.他不敢跳。
2.意思是害怕，是动词，通常用be afraid。
例：I am afraid of dog.我害怕狗。

be afraid of 后跟名词、代词或动词-ing形式；
be afraid to后跟动词原形。