Суть в том, чтобы определить по смыслу где главное и где придаточное и подставить формы им соотв. поставить глаголы в верной форме 1. if i (see) john, i'll tell him your news. 2. he (be) very pleased if it (be) really true. 3. if you (go) to town on monday, you (meet) my brother tom. 4. if you (need) help, my father (help) you. 5. we (have) a picnic lunch if the day (be) fine. 6. if you (ask) a policeman, he (tell) you the way. 7. i (finish) the job tomorrow if i (can). 8. i (not/require) an umbrella if (not/rain). 9. if she (think) it over carefully, she (form) a clear opinion. 10. if they (catch) the bus now, they (arrive) at half past nine.
2. He will be very pleased if it is really true.
3. If you go to town on Monday, you meet my brother Tom.
4. If you need help, my father helps you.
5. We will have a picnic lunch if the day is fine.
6. If you ask a policeman, he tells you the way.
7. I'll finish the job tomorrow if I can.
8. I not require an umbrella if is not rain.
9. If she thinks it over carefully, she forms a clear opinion.
10. If they catch the bus now, they'll arrive at half past nine.