1. If I (travel) to Italy, I (buy) you a gift.
2. He (miss) the bus if he (not hurry) .
3. If they (buy) that flat, they (have to) paint it.
4. Sam (go) to university if she (pass) this course.
5. If you (play) with a ball in the classroom, you (break) a window.
6. Mark (go) to the school library if he (come) late again.
7. If you (not ring) the bell, nobody (open) the door.