Đáp án:

`6,` We weren't given a gift by him on our birthday.

`7,` Animals weren't fed in the zoo.

`8,` He wasn't made a kite by me last week.

`9,` A bike wasn't ridden to school by us yesterday.

`10,` Keys weren't found in the room by my father.

Giải thích:

Bị động Quá Khứ Đơn:

$(+)$ S + was / were + V3 / PII ( by O ).

$(-)$ S + was / were + not + V3 / PII ( by O ).

$(?)$ Was / Were + S + V3 / PII ( by O )?

`\text{1. }`We weren't given a gift by him on our birthday.

`\text{2. }`Animals weren't fed in the zoo

`\text{3. }`He wasn't made a kite last week

`\text{4. }`A bike wasn't ridden to school yesterday.

`\text{5. }`Keys weren't found in the room by my father.

- 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

- Trạng từ chỉ thời gian sẽ đứng sau "by+O"

- Trạng từ chỉ nơi chốn sẽ đứng trước "by+O"

`\text{# themoonstarhk}`