Раскрой скобки, употребляя глаголы в требующейся форме:
1. If he (not to be) ill yesterday, he (to come) to the party.
2. If I (to have) a lot of money, I (to buy) a car now.
3. They (to send) you a postcard last week, if they (to know) your address.
4. If you (to give) me your book now, I (to write) a composition tomorrow.
5. If he (to become) a musician, his mother (to be) happy.
6. If it (not to be) so rainy now, we (to go) for a walk.
7. We (to help) your sister, if we (to be) you.