sử dụng công thức hình dưới viết lại các câu sau: 1. Last year Mrs. Nina taught me both English and Science. 2. She broke my laptop. 3. I sent my children to summer camp. 4. She caught the thief. 5. The secretary finished the report last night. 6. Sam sent a gift to his father. 7. Tom wrote his report on his way to work. 8. I bought this house last year. 9. He lost his newspapers yesterday. 10. I brought my girlfriend to the party yesterday.

`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.