IV. Supply the correct verb forms. 1. I 2. If it (rain) 3. If Helen had come, there (not be) surprised if you enjoyed that film. tomorrow, we won't go for a picnic. (not be) enough seats. pass their exams. 4. If they 5. We would have had a barbecue if it 6. If I go to London, I (work) hard, they would rain). (not (send) you a postcard.