#wheijx.

`**` Quá khứ tiếp diễn 

`-` Khẳng định : S + was/were + V-ing + ...

`-` Phủ định : S + wasn't/weren't + V-ing + ...

`-` Nghi vấn : (wh) + was/were + S + V-ing + ... ?

`->` Diễn tả hành động đang diễn ra trong quá khứ.

`->` Dấu hiệu : this morning/afternoon/night , while , that time , this time , ...

`1.` They were playing tennis at 10.30 yesterday morning.

`-` at + giờ

`2.` Ann was doing homework at 5 o'clock this afternoon.

`-` at + giờ

`3.` My father was washing car from five to six.

`-` from + time + to + time : từ khoảng tgian nào đến khoảng tgian nào.

`4.` At this time last year we were living in France.

`-` in + country

`5.` The students were offering flowers to the visitors.

`-` offer sth to sb : mang cái gì đến cho ai

`6.` I was cooking dinner half an hour ago.

`7.` She was working at the studio at that time.

`-` at + place

`8.` What were you doing from 3 to 6 yesterday afternoon ?

Công thức thì QKTD 

(+) S + was/were + Ving 

(-) S + was/were+ not + Ving 

(?) Was/Were +S +Ving? 

--> Diễn tả hành động đang xảy ra ở 1 thời điểm nào đó trong quá khứ 

--> Diễn tả hành động đang xảy ra thì có hành động khác chen vào (while / when)

DHNB: at + giờ + thời gian trong QK, at this time + thời gian trong QK, ...

---------------------------------------------------------------------

1. They were playing tennis at 10.30 yesterday morning.

2. Ann was doing her homework at 5 o'clock this afternoon.

3. My father is washing his car from five to six.

4. At this time last year we were living in France.

5. The students were offering flowers to the visitors.

6. I was cooking dinner half an hour ago.

7. She was working at the studio at that time.

8. What were you doing from 3 to 6 yesterday afternoon?

`color{orange}{~MiaMB~}`