i 'm afraid of sth 我害怕做某事
i'm afraid i can't +v原sth 我恐怕我不能……
i'm afraid i didn't+sth 我害怕，我没有……
do well 做好
be good at doing sth
be bad at 不擅长
be weak in
be poor at
there are things i can do to...
one thing i do is to...
another thing i do is to...
i label thing in English我用英文贴东西
what do you mean?
被动语态
be+过去分词（by）sb /sth 肯
be not +过去分词 sb /sth 否
be 动词提前 一般疑问句
