1.will have /to come

2.were watching/phoned

3.came/called

4.was lying/rang

5.have had

6.have met/came

7.was studying

8.eats

9.arrived

10.has been

11.goes

12.are painting

13.has taught

14.was cooking

15.to protect

16.was

2.  were watching ( while my sister and I và last night )/ phoned

3. came/ called

4. was lying/ rang ( hôm qua, khi tôi đang nằm trên bãi biển thì điên thoại rung )

5. have had ( since last month )

6. have met ( vì có since )/ came

7. was studying ( có thời điểm rõ ràng 8h tôi hqua )

8. eats ( always -> hiện tại đơn )

9. arrived (2 days ago )

10. has been ( since march)

11. goes ( twice a week: 2 lần/ tuần => chỉ tần suất)

12. are painting ( at the moment và the students )

13. has taught ( for 10 years)

14. was cooking ( cô ấy đang nấu ăn thì chồng cô ấy về nhà)

15. to protect

16. was