S主词 Vi不及物动词 Vt及物动词 SC主词补语
O受词 OC受词补语 IO间接受词 DO直接受词
S + Vt + IO + DO
Peter bought his son a bicycle (=a bicycle for his son).
He bought himself a new car (=a new car for himself).
He gave his son his used car (=his used car to his son).
May I ask you a question (=a question of you)?
I asked her some questions (=some questions of her).
The medicine will do you good (=do good to you).这个药对你有好处。
Drinking too much does you harm. (=does harm to you).
His father left him a large fortune. 他的父亲留给他一大笔财富。
= His father left a large fortune to him.内容来自 听力课堂网：http://www.tingclass.net/show-5855-18762-1.html