Question

Answer 1

1. was walking

2. had

3. was running

4. was listening .... was reading

5. has learnt ... was

6. visted

7. came

Answer 2

c1. was walking

c2. had

c3. was running

c4. was listening /was reading

c5. has learnt/was

c6. visted

c7. came

Cấu trúc thì quá khứ đơn:

S+ was/were+....

Thì Qúa khứ tiếp diễn:

S+was/were+Ving