Exercise3: Turn into passive: 1.The workers built this house in 1998 ->………………………………… 2. Hoa bought the flowers in the market yesterday. ->………………………………… 3. They gave the winner a nice prize. ->………………………………… 4.The policeman asked her a lot of questions. ->………………………………… 5. Nobody showed her the way to the club. ->………………………………… 6. Nam and his friens swept the street. ->…………………………………

`1` The workers built this house in `1998.`

`=>` This house was built by the workers in `1998.`

`2` Hoa bought the flowers in the market yesterday. 

`=>` The flowers were bought by Hoa in the market yesterday. 
`3` They gave the winner a nice prize.             

`=>` The winner was given a nice prize by them.

`4` The policeman asked her a lot of questions. 

`=>` She was asked a lot of questions by the policeman.
`5` Nobody showed her the way to the club.  

`=>` She wasn't showed the way to the club.  
`6` Nam and his friends swept the street. 

`=>` The street was swept by Nam and his friends.

Câu bị động thì Qúa Khứ Đơn:

`-` S+ V-ed/ V2+ O.

`=>` S+ was/ were+ Vpp+ by O.