`1.` A great deal of tea is drunk in England.

`-` BĐ HTĐ: S `+` am/is/are `+` PII `+` (by O)

`2.` English is spoken all over the world.

`-` BĐ HTĐ: S `+` am/is/are `+` PII `+` (by O)

`3.` Her dog is often taken for a walk.

`-` BĐ HTĐ: S `+` am/is/are `+` PII `+` (by O)

`4.` Tea can't be made with cold water.

`-` BĐ HTĐ: S `+` ĐTKT (can/must/should/...) (not) `+` be `+` PII `+` (by O)

`5.` Some of my books have been taken away.

`-` BĐ HTHT: S `+` have/has `+` been `+` PII `+` (by O)

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

`@` Lưu ý: Trong câu chủ động với các chủ ngữ “I, They, We, somebody, someone,everybody, everyone,....” thì khi chuyển sang câu bị động ta bỏ By O.

`+` By O đứng trước trạng từ chỉ thời gian và đứng sau trạng từ chỉ nơi chốn.

1.People drink a great deal of tea in England

-A great deal of tea is drunk in England

=>S+ BE+PLL+by O

2. People speakenglish all over the world

-English is spoken all over the world

=>S+BE+PLL+by O

3. She often takes her dog for a walk

-Her dog is often taken for a wall

=>S+BE+PLL+by O

4. They can't make tae with cold water

-Tea can't be made with cold water

=>S+(can/must/should)+not+be +PLL+by O

5. Somebody has taken some of my book away

-Some of my books have been taken away.

 =>S+(have/has)+been+PLL+ by O