1.He used to be quiet. （变为否定句）
2.They used to like dogs.（变为一般疑问句并作出肯定回答）
3.You used to hate (gym class).（对括号内的部分提问）
4.Jim used to watch TV ______?（反义疑问句）
5.He studies math (by working with a group).（对括号部分提问）
6.They could play the violin last year .（写出同意句）
7.We take pride in our son.（写出同意句）
1 he didn't use to be quiet.2did they use to like dogs?no, they didn't.3what did you use to hate?4did he?5how did he study math?6they could play the violin from last year.7we are pride of our son
He doesn't used to be quiet.
Did they use to like dogs? Yes,it is.
what do you used to hate?
Jim used to watch TV _doesn't_?
How does he study math?