$\text{1. Tom wrote this report yesterday.}$
$\text{⇒ This report was written by Tom yesterday.}$
$\text{2. People plant a lot of flowers in Da Lat.}$
$\text{⇒ A lot of flowers are planted in Da lat.}$
$\text{3. Our form teacher holds a class discussion every month.}$
$\text{⇒ A class discussion is held by our teacher every month.}$
$\text{4. Miss Hoa teaches my sister English.}$
$\text{⇒ My sister is taught English by Miss Hoa.}$
$\text{5. People use milk for making butter and cheese.}$
$\text{⇒ Milk is used for making butter and cheese.}$
$\text{6. They have given Tom a present.}$
$\text{⇒ Tom has been given a present.}$
$\text{7. Does Mr. Green often take them to the cinema on Sundays?}$
$\text{⇒ Are they often taken to the cinema by Mr. Green on Sundays?}$
$\text{8. Do they hold a meeting every month?}$
$\text{⇒ Is a meeting held every month?}$
$\text{9. The weather has turned all the leaves yellow.}$
$\text{⇒ All the leaves have been turned yellow by the weather.}$
$\text{10.Have they asked you several questions?}$
$\text{⇒ You have been asked several questions by them, haven't you?}$
$\text{11. Jonh used to visit his parents at weekends.}$
$\text{⇒ His parents used to be visited by him at weekends.}$
$\text{12. They used milk for making butter and cheese.}$
$\text{⇒ Milk is used for making butter and cheese.}$
$\text{13. The students are writing the lessons now.}$
$\text{⇒ The lessons are being written by the students now.}$
$\text{14. Her teacher taught her how to apply theory.}$
$\text{⇒ She was taught how to apply this theory by her teacher.}$
$\text{-----Done by Lhghbebong-----}$
$\text{Cho mik xin câu trả lời hay nhất, 5 sao và cảm ơn nha.}$