Cấu trúc câu bị động ở QKĐ:

(+) S+ was/were+ Ved/c3+...+by O

(-) S+ was not/ were not+ Ved/c3+ ....+by O

(?) Was/ Were+ S+ Ved/c3+ ...+by O?

Lưu ý: đối với những chủ thể thực hiện hành động chỉ tập thể hay số đông thì ta có thể bỏ bước" by+ O" 

Trả lời:

23, The work was done excelently.

24, A larger number of people were killed by Earthquakes in 1995.

25, Were jeans made by people two hundred years ogo?

26, The cake was cut cleverly by her.

`\text{1. }`The windows were cleaned by Jack last week

`\text{2. }`The work was done excellently

`\text{3. }`A large number of people were killed by earrthquakes in 1995

`\text{4. }`Were jeans made two hundred years ago?

`\text{5. }`The cake was cut cleverly by her

- Cấu trúc bị động thì Quá khứ đơn: 

(+) S+ was/were+ V_ed/ bqt+ (by+O)

(-) S+ wasn't/ weren't+ V_ed/ bqt+ (by+O)

(?) Wh-question+ was/were+ S+ V_ed/ bqt+ (by+O)

- Trong đó: 

 We/ You/ They/ Danh từ số nhiều + were

                  I/He/ She/ It / Danh từ số ít+ was

`\text{# themoonstarhk}`