Open the brackets and put the verbs into the proper tense.
1. If I were at home, I (help) my sister.
2. If we had time, we (plant) trees.
3. We will play tennis if we (find) the rockets.
4. If I (need) your help, I will phone you.
5. When we (come) home, we’ll have lunch.
6. If you relied on Andrew, he (help) you.
7. She (learn) much about astronomy when she reads this book.