@mariongoc5454th
1) rang/ was watching ( When + simple past, + past continuous: Khi một hành động đang diễn ra thì một hành động khác xảy đến.)
2) was you driving/ happened (When + past continous, + simple past.)
3) were making/ arrived.(When + past continous, + simple past.)
4) was going/had/came.(giống câu trên)
5) was you doing/ was working (at this time yesterday là dấu hiệu nhận biết của thì QKTD)
6) )began/was sitting ( simple past, + past continuous: Khi một hành động đang diễn ra thì một hành động khác xảy đến.)
7) took/ wasn't looking (past continous, + simple past.)
8) saw/ were trying (When + simple past, + past continuous)
9) was walking/ felt/ didn't know/ was
10) dropped/ was doing/ didn't break.( simple past+ When + past continous)