1, He will have to wear uniform at school tomorrow.
- Uniform will be haven to wear at school tomorrow by him
2,If he doesn't word hard, he can't pass the exam
- Unless he work hard, he can't pass the exam.
3,I think you should do your exercises before playing game
- If you do your exercises, you can play a game
4, She was tired but she stayed up too late to watch film
- In spite of being tired, she stayed up too late to watch film