将下面三句话分别变成一般疑问句（并做肯定回答）和否定句 1、They have to go to the party.2、He has to go to see the doctor .3、She had to have a piano lesson yesterday.急 快点啊

1:Do they have to go to the party? -Yes, they do.
They don't have to go to the party.
2:Does he have to go to see the doctor? -Yes, he does.
He doesn't have to go to see the doctor.
3:Did she have to have a piano lesson yesterday? -Yes, she did.
She didn't have to have a piano lesson yesterday.

1.Do they have to go to the party? --Yes,they do.
They don't have to go to the party.
2.Does he have to see the doctor? --Yes,he does.
He doesn't have to see the doctor.
3.Did she have to have a piano lesson yesterday? --Yes,she did.
She didn't have to have a piano lesson yesterday

Do they have to go to the party? -Yes, they do.
They don't have to go to the party.
2:Does he have to go to see the doctor? -Yes, he does.
He doesn't have to go to see the doctor.
3:Did she have to have a piano lesson yesterday? -Yes, she did.
She didn't have to have a piano lesson yesterday.

Do they have to go to the party?
Yes, they do.
No, they don't.
Does he have to go to see the doctor?
Yes, he does.
No, he doesn't.
Did she have to have a piano lesson yesterday/
Yes, she did.
No, she didn't.

1do they have to go to the party?.yes,they do .no .they don't2does he have to go to see the doctor?yes,he does .no .he doesn't3 does she have to have a piano lesson yesterday yes she does .no she does...

1.Do they have to go to the party? --Yes,they do.
They don't have to go to the party.
2.Does he have to see the doctor? --Yes,he does.
He doesn't have to see the doctor.
3.Did she have to have a piano lesson yesterday? --Yes,she did.
She didn't have to have a piano lesson yesterday.