Viết lại câu bị động thì quá khứ Christopher Columbus discovered America in 1492. Anna painted the Wilson's house. The American team won the cup. Philip took a picture of the sea. My mother saw mike at the supermarket. Freddy Mercury sang 'we will rock you'. My parents read 'Da Vinci code'. My brother Found a purse in the street.

Christopher Columbus discovered America in 1492.

=> The America was discovered in 1492 (by Christopher Columbus).

Anna painted the Wilson's house.

=> The Wilson's house was painted (by Anna).

The American team won the cup.

=> The cup was won (by the American).

Philip took a picture of the sea. 

=> A picture of the sea was taken (by Philip).

My mother saw Mike at the supermarket.

=> Mike was seen (by my mother) at the market.

Freddy Mercury sang 'we will rock you'.

=> 'We will rock you' was sung (by Freddy Mercury).

My parents read 'Da Vinci code'.

=> 'Da Vinci code' was read (by my parents).

My brother found a purse in the street.

=> A purse was found (by my brother) in the street.