not to be 和 don‘t be的用法
not to be 和 don‘t be的用法
don't be careful和be not careful的区别
DON'T BE A和DON'T BE A 的用法 举例
seem to be的否定形式是seem not to be还是don't seem to be
don't be和be not的区别,分别用在什么地方?祈使句的否定用don't be还是be not?
Don't be nervous中BE的用法
To be和be的用法
must not be 和 can not be 的用法区别
be careful to do sth和be careful(not) to do sth的用法
not 和don’t 的用法,说明
don't 和not 的用法
don't try to be something you are not是什么意思