1. If the weather (be) bad tomorrow, we (play) chess.

2. Oranges (not / grow) in England.

3. When he (come) home, he (telephone) you.

4. Last month Mr Clark (rewrite) the end of the book. The last page (rewrite) five times.

5. Tea (bring) to England many centuries ago.

6. Yesterday Mr Johnson (receive) a letter. In the letter he (ask) to come to the police station. He (wonder) why he (want) by the police.

7. If I (see) Tom again, I (tell) him everything.

8. If you (help) him, he (finish) his work in time.

9. If I (be) free tomorrow, I (go) to the park.

10. At this time yesterday I (write) a test.