OPEN   THE   BRACKETS.

1. He (go) out when the weather (get) warmer.   2. I (wait) for you until you (come) back from school.   3. I am afraid the train (start) before we (come) to the station.   4. We (go) to the country tomorrow if the weather (to be) fine.   5. We (not pass) the exams next year if we (not work) much harder.   6. If you (not drive) more carefully,  you (have) an accident.   7. You (to be) late if you (not take) a taxi.   8. I (finish) reading this book before I (go) to bed.   9. You must  (send) us a telegram as soon as you (arrive).    10. We (have) a picnic  tomorrow if it (to be) a fine day.   11. We (go) out when it (stop) raining.   12. We (not to have) dinner until you (come).  13. I am sure they (write) to us when they (know) our new address.  14. If I (see) him tomorrow,  I (tell) him the news.   15. We (go) to the cinema as soon as Nick (come).   16. If it (to be) cold outside, the children (not to go) for a walk.   17. As soon as he (do) his homework he (play) football.   18. When my father (come) home, we (visit) our relatives.   19. I (cook) dinner before mother (return).   20. We (discuss) the text  as soon as you (read) it.