常用动词习惯用法

1. allow sb to do sth 允许某人去做某事（后接动词不定式）
My father allowed me to go out for a walk after finishing my homework.
2. asked sb (not) to do sth  叫某人做事某事（叫某人不要去做某事）
My father asked me to study hard.
He asked me not to swim alone.
 be asked to do sth       被叫去做某事/被邀请去做某事
 I was asked to have a dinner with them yesterday.
3. be afraid to do sth     害怕做某事
She is afraid to ask me questions.
4. be afaid of doing sth   害怕做某事
I am afraid of going out at night.
5. be afaid of sth  害怕某物
He is afraid of snakes.