1.The grandchildren (to miss) you if you (to move) to another

1.The grandchildren (to miss) you if you (to move) to another town.
2. Mary (to be) sorry if John (not to come) to her birthday party.
3. Could you (to give) me some money if my friends and I (to go) out tonight?
4. If I (to know ) his adress now, I ( to go) round and see him.
5. It is necessary that he (to buy) winter clothes.
6. What ____you___(to do) if you (to win) competition?
7. The teacher demands that the pupils (not to be) late for classes.
8. If you ( not to spend ) so much time on your chatting yesterday, we (not to be )late for the performance.
9. If I (to be) you, i (to use) computer.
10. If he (to have) the keys last night, he (to unlock) the door himself.