`-` BĐ `-` QKĐ : S + was / were + V3 / PII ( by O )

`31`.Five sentences were read out that described a wonder of Vietnam by the MC

`32`.Some pizzas were made by Linh yesterday

`33`.Some of Bill's classmates were invited to his birthday party

`34`.She was allowed to take part in the Green Part by her parents last Sunday

`35`.All the questions were answered in the test correctly

`36`.Mary's social network account was changed last month

`\text{@ Tails347}`

`-` Đáp án : 

`31`, Five sentences were read out that described a wonder of Vietnam by the MC.

`-` Dựa vào vế that có described chia TQKĐ 

`->` chia bị động TQKĐ.

`-` by - O đứng cuối câu, chỉ đứng trước trạng từ chỉ thời gian

`32`, Some pizzas were made by Linh yesterday.

`-` Some pizzas là số nhiều, đi với tobe were

`33`, Some of Bill's classmate were invited to his birthday party by Bill.

`-` Some of Bill's classmate là số nhiều, đi với tobe were.

`34`, She was allowed to take part in the Green Part by her parents last Sunday.

`-` allow + to - V

`35`, All the questions were answered  in the test correctly.

`-` Trong TH câu chủ động chủ ngữ là đại từ nhân xưng, đại từ bất định,.. ta có thể lược bỏ by - O

`36`, Mary's social network account was changed by Mary last month.

`----------`

Cấu trúc bị động TQKĐ :

`+)` S + was/were + P2 (+by - O)

`-)` S + was/were + not + P2 (+by - O)

`?)` Was/Were + S+  P2 (+by - O)