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

　　be afraid to do sth与be afraid of doing sth的区别：
　　1）be afraid to do sth，不敢去做某事 ，强调不敢。
　　Trust your ability.Don't be afraid to speak. Don't be trapped by shyness.
　　相信你的能力，不要害怕说，不要被羞怯困住。
　　So don 't be afraid to speak up.
　　所以不要害怕说出自己的观点。
　　2）be afraid of doing sth,一向害怕做某事，表示习惯，强调害怕。
　　Don't be afraid of speaking up.
　　别怕，大胆地说。
　　It's all over. There's nothing to be afraid of now.
　　一切都结束了。现在没有什么可怕的了。
　　3）区别与联系：
　she was not afraid of dancing with strangers,but she was afraid to dance
　　with Mr.Green tonight,because she thought him dangerous.
　　她不害怕和陌生人跳舞（指在舞会上，表示习惯），但是今晚，她不敢和格林跳舞（很可能格林向她发出邀请，因为她觉得格林是个危险人物，不敢跳舞只是今晚这一次）。

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.

be
afraid
of
sth./doing
sth.
表示惧怕某事，或某事发生
be
afraid
to
do
sth.
因害怕而不敢去做某事。
例：
I'm
afraid
of
my
teacher.
我怕我们老师。
I'm
afraid
of
losing
my
purse.
我怕把钱包弄丢了。
I'm
afraid
to
stay
at
home
alone
at
night.我晚上不敢一个人呆在家里。