`1` Last year, I was taught both English and Science by Mrs. Nina.
`2` My laptop was broken by her.
`3` My children were sent to summer camp by me.
`4` The thief was caught by her.
`5` The report was finished by the secretary last night.
`6` A gift was sent to his father by Sam.
`7` His report was written on his way to work by Tom.
`8` This house was bought by me last year.
`9` His newspapers were lost by him yesterday.
`10` My girlfriend was brought to the party by me yesterday.
Tất cả các câu trê là câu chủ động QKĐ `to` Bị động QKĐ. là công thức trên hình.