1. We have to wear school uniform every day.
2. She has to learn rules till tomorrow.
3. He has to go to school on Saturdays.
4. I have to clean my room every weekend.
5. He has to study hard to pass exams.
6. She has to do some sport to be fit.
7. We have to do our homework every day.
8. He has to work very intensive to earn a lot of money.
9. We have to read a lot of books to be clever.
10. We have to drink a lot of water to be healthy.