Write past continuous sentences.

1. The Sun was shining and people were sunbathing on the beach.

2. The phone was ringing, but I was leaving the house so I didn't answer it.

3. We were not studying when the teacher walked in

4. We were walking past the building when the fire started

5. She wasn't thinking about her exam results when the envelope arrived

6. It wasn't raining, so we went for a picnic

* Thì quá khứ tiếp diễn:

- Cấu trúc: S + was/ were + V-ing.

- Cách dùng: Diễn tả một hành động đang xảy ra tại một thời điểm nhất định trong quá khứ hoặc diễn tả một hành động đang diễn ra thì một hành động khác xen vào.