Суть задания 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.