Bài Làm:
Bài tập 1: Chia các động từ trong ngoặc
1. By the time you arrive, I (write) the essay.
2. By this time tomorrow they (visit) Paris.
3. By the year 2012 many people (lose) their jobs.
4.I hope they (finish) building the road by the time we come back next summer.
5. By 2020, my school (have) more students than now.
Bài tập 1:
1. will have written
2. will have visited
3. will have losed
4. will have finished
5. will have had