I. Give the blank with suitable verb tenses. 1. By the time you come home, I (write) the essay. 2. By this time next week they (visit) London. 3. By the time she intends to get to the airport, the plane (take) off. 4. By the year 2050 many people (lose) their houses. 5. I know by the time Jack and Marry (come) to my house this afternoon, I (go) out for a walk. 6. I hope they (finish) building the stadium by the time the students (start) to study next winter. 7. By 2020, the number of schools in our city (double). 8. These machines (work) very well by the time the supervisor (check) them next week. II. Use the phrases/ words given to write full sentences. 9. Tommy/study/French/before/move/France. 10. My children/play/volleyball/yard/their friends. 11. Lan/take part/the dance competition? 12. Hung/finish/project/by the end/next month. 13. My mother/not/prepare/dinner/by the time/we come. 14. Before/they/arrive/Salim/read ‘Harry Potter’. 15. By/ November/ all/ leaves/ fall.