Câu bị động:
1. A sudden increase in water pressure may break the dam.
2. For the past years i have done all my washing by hand
3. A man i know told me about it
4. The teacher returned our written work to us.
5. She had finished her report by soon.
6. This is the second time they have writtten to us about this
7. The boys broke the window and took away some pictures
1. A sudden increase in water pressure may break the dam.
=> The dam may be broken by a sudden increase in water pressure.
2. For the past years i have done all my washing by hand.
=> For the past years, all my washing have been done by hand.
3. A man i know told me about it.
=> I was told about it by a man I know.
4. The teacher returned our written work to us.
=> Our written work were returned to us by the teacher.
5. She had finished her report by soon.
=> Her report had been finished soon.
6. This is the second time they have writtten to us about this
=> This is the second time we have been written to about this.
7. The boys broke the window and took away some pictures
=> The window was broken and some pictures were taken away by the boys.
