Chuyển đổi câu chủ động sang câu bị động : 1, By the time you come back here in 5 years" time, they will have knocked down those houses.

Để chuyển đổi câu chủ động sang câu bị động, ta cần thay đổi thứ tự của các thành phần trong câu và thêm từ khóa "be + past participle".

1. Those houses will have been knocked down by the time you come back here in 5 years.

Hoặc

2. By the time you come back here in 5 years, those houses will have been knocked down.

Hoặc

3. By the time you come back here in 5 years, those houses will have been demolished.

Those houses will have been knocked down by them by the time you come back here in 5 years' time.

By the time you come back here in 5 years' time, those houses will have been knocked down by them.

When you come back here in 5 years' time, they will have knocked down those houses.

When you come back here in 5 years' time, those houses will have been knocked down.