Put the verbs in brackets into the Present Simple or the

Put the verbs in brackets into the Present Simple or the Future Simple. All sentences refer to the future
1. I (to see) you before you (to start)?
2. What he (to do) when he (to arrive) in the USA?
3. Where they (to go) if the weather (to be) fine?
4. He (to ring) me up when he (to return) home.
5. If it (to rain), we (to stay) at home.
6. She (to walk) home if it (not to be) too cold.
7. I am sure he (to come) to say good-bye to us before he (to leave) to Italy.
8. Please turn off the light when you (to leave) the room.
9. If we (to be) tired, we (to stop) at a small village and (to have) a short rest and a meal there.
10. If you (to miss) the 10.30 train, there is another at 10.35.
11. She (to make) all the arrangements about it before she (to fly) there.
12. Before he (to start) for London, he (to spend) a day or two in a camp not far from here.