английский - времена

Используйте в предложениях нужное время.
1. If you (to see) this film, we (to discuss) it later.
2. If she (to have) a problem, (to help) her.
3. If we (to travel) by car, we (to save) a lot of money.
4. If he not (to give) her flowers once a week she (to be) offended.
5. If they (to blame) him, it (to serve) him right.
6. When the children (to come) home for Christmas, the parents (to be happy).
7. We (to buy) their car after Father (to get) his salary.
8. I not (to try on) this dress before I (to know) how much it (to be).
9. I (to wake) you up as soon as I (to get up).
10. They (to make) an announcement about the plane as soon as it (to land).
11. As soon as Tom (to fix) the engine we (to continue) our journey.
12. As soon as he (to write) to me I (to let) you know.
13. We (to lie) in the sun and (to swim) in the warm sea unless the weather (to change) for the worse.
14. She not (to marry) him unless he (to give up) his bad habits.
15. You not (to lose) weight unless you (to eat) less.