`1` was walking 

`2` was attending 

`3` was standing 

`4` was riding 

`5`  were living 

`6`  was walking 

`7` was going 

`8`. Was studying / were having 

`9` were dancing 

`10` were sitting 

-> thì quá khứ tiếp diễn : S + was / were + Ving + O .

@ Dorris

I (walk)_____was walking______down the street when it began to rain.

=>thì quá khứ tiếp diễn

I (attend)____was attending______an English course.

=>thì quá khứ tiếp diễn

dấu hiệu:"At this time last year"(vào thời điểm này năm ngoái)

Jim (stand) ____was standing____ under the tree when he heard an explosion.

=>thì quá khứ tiếp diễn

The boy fell and hurt himself while he (ride)_____was riding____ a bicycle.

=>thì quá khứ tiếp diễn

When we met them last year, they (live)__were living____ in Santiago.

=>thì quá khứ tiếp diễn

The tourist lost his camera while he (walk) __was walking___ around the city.

=>thì quá khứ tiếp diễn

The lorry (go) __was going___ very fast when it hit our car.

=>thì quá khứ tiếp diễn

While I (study)__was studyng___in my room, my roommates (have)____was having____ a party in the other room.

=>thì quá khứ tiếp diễn

Mary and I (dance)____were just living_____ the house when the telephone rang.

=>thì quá khứ tiếp diễn

We (sit)____were siting____ in the café when they saw us.

=>thì quá khứ tiếp diễn