Grammar Exercises I. Open the brackets using the Future Simple, the Future Continuous or the Future Perfect Tense. 1. I (know) the result in a week. 2. When we reach England it (rain) probably. 3. I'll call for her at eight. - No, don't; she still (have) breakfast then. 4. I (finish) this book by tomorrow evening. 5. You (have) time to help me tomorrow? 6. Perhaps he (arrive) in time for lunch. 7. I (wait) for you when you come out. 8. I'll still be here next summer but Tom (leave). 9. By next winter they (build) four houses in that field. 10. Jack (be) twenty years old next week. 11. Where the children (go) in the summer holiday? - They (go) to the seaside. 12. By the end of the term I (read) all the books on the list. 13. I'll come at three o'clock. - Good, I (expect) you. 14. What do you think the children (do) when we get home? - I expect they (have) thei supper. 15. She (stay) at home next Sunday. 16. By the end of the month 5,000 people (see) this exhibition. 17. Let's go out tomorrow because Mary (practice) the piano all day. 18. When I get home my dog (sit) at the door waiting for me. 19. He (finish) the building of the house before summer. 20. They (stay) with us next Christmas.