1. was walking-met
2. was rainning-got-felt
3. was waitting-was watting
4. was ranning-decided
5..arrvied-was playing-were dancing
6. was arriving-came
7. became-was speaking-entered
8. is doing/was doing-offers-refused
9. was preparing
10. was playing
vote 5* và ctlhn ạ có mấy câu mk cũng ko chắc nữa
sử dụng thì qukhu tiếp diễn
vì có dhnb là when,while của thì qkhu tiếp diễn