1. was reading - heard

2. were swimming - started

3. was getting - phoned

4. were shopping - saw

5. were driving - stopped

6. found - was tidying

7. were playing - arrived

8. was having - arrived

- Sử dụng thì quá khứ tiếp diễn kết hợp với quá khứ đơn để diễn tả một hành động đang diễn ra thì một hành động khác xen vào: S + was/were + V-ing, S + V(past simple).

- Trong đó, thêm "when" trước mệnh đề thì quá khứ đơn hoặc "while" trước mệnh đề thì quá khứ tiếp diễn.

Đáp án+Giải thích các bước giải:

` @ ` Thì QKĐ 

` ( + ) ` S + was/were + O

` @ ` Thì QKTD

` ( + ) ` S + Was/were + V-ing

` @ ` Thì QKĐ với Thì QKTD :

` - ` While + S+ was/were + v-ing + (object) +... +, + S + V (v-ed/v2) + (object) + ...

` - ` When + S+ V (v-ed/v2) + (object) +... +, +S+ was/were + v-ing + (object) + ...

` - ` S + was/were + v-ing + (object) + ... + when + S + V (v-ed/v2) + (object) + ... 

` - ` S + V (v-ed/v2) + (object) + ... + while + S+ was/were + v-ing + (object) + ... 

________________________________________________________________________________________________________

Bài 11.

` 2. ` were swimming/ started

` 3. ` was getting/ phoned

` 4. ` were shopping/saw

` 5. ` were driving/ stopped

` 6. ` found/ was tidying

` 7. ` playing/arrived

` 8. ` having / arrived

` color{#ffc0db}{Pyy}color{#ffdada}{Dep}color{#ffebd6}{Tryy}color{#fff7e1}{=33}color{#d6f9ff }{UwU} `