1 won't dump (vì đây là vế sau của câu đk loại 1 nên phải sd thì tlđ)

2 will be watching (câu tltd)

3 were destroyed (bị động ở qkđ)

4had left (vế này xảy ra trc nên ở qkht)

5 to turn (forget+to V)

6 using (enjoy +v-ing)

7communicating(dislike+v-ing)

8will be having(tltd)

9 had watched/heared(qkht/qkđ)

10had met

11had seen/went

12 has become (htht)

13 would happen( câu đk loại 2)

14

13. A

14. D

15. C

II.

1. won't dump (conditional type 1)

2. will be watching (keyword: at 9.00 tonight -> future continuous)

3. was destroyed (passive voice- past simple)

4. had left (keyword: by the time-> past perfect)

5. to turn (forget + to V

6. using  (enjoy +V-ing)

7. communicating (dislike +V-ing)

8. will be having (keyword: at 6p.m next Saturday -> future continuous)

9. were watching, heard

10. had met (reported speech-> one tense back: present perfect -> past perfect)

11. had seen, went (describe action happen before another action which happen in the past)

12. has become (keyword: sine -> present perfect)

13. would happen (conditional type 2)

14. will create (keyword: in the year 2050 -> future simple)