1. You will enjoy yourself if you go to Italy.
2. Ask him if he goes to Italy.
3. I don't know when he comes back from London.
4. I'll phone to him when he will come back from London.
5. I'll talk to him if I see him today
6. I'm not sure if I will see him today.
7. If air pollution gets worse, no one can have a rest.
8. If Daniel trains hard, he'll win.
9. I shall not get up at 5 in the mornong if I don't do the cleaning.
10. When you come to London, you will see many sights.