1. I (not to catch) cold if I had worn my overcoat. 2. We shall be very sorry if he (not to call) on us tonight.
3. If he were here he(to help) us.
4. If I had known this girl, I (to invite) her to the party.
5. If he (to come) to our party, we will tell him everything.
6. He would translate the text if you (to give) him a dictionary.
7. You won't pass the exam unless you (to work) hard.
8. I would have done the work in time, if he (to warn) me.
9. We will go to the country if the weather (to be) fine.
10. If pigs had wings they (to fly).