1. She doesn't have to wash the dishes. - She has to wash the dishes.
2. He doesn't have to cook supper. - He has to cook supper.
3. They don't have to come to school on Sunday. - They have to come to school on Sunday.
4. We don't have to work at night. - We have to work at night.
5. She doesn't have to go to work by train. - She has to go to work by train.
6. I don't have to get up early at the weekend. - I have to get up early at the weekend.