1. Mr Tuan delivered the speech yesterday. The speech was delivered by Mr Tuan yesterday.
2. Turn off the computer at night. The computer should be turned off at night.
3. I clean the floor everyday. The floor is cleaned by me everyday.
4. My mother bought this dress this morning. This dress was bought by my mother this morning.
5. She did this exercise two days ago. This exercise was done by her two days ago.
1. Mr Tuan delivered the speech yesterday. The speech was delivered by Mr Tuan yesterday.
2. Turn off the computer at night. The computer should be turned off at night.
3. I clean the floor everyday. The floor is cleaned by me everyday.
4. My mother bought this dress this morning. This dress was bought by my mother this morning.
5. She did this exercise two days ago. This exercise was done by her two days ago.
