Chuyển sang câu bị động, ghi rõ câu nào thuộc thì nào, giúp em với ạ

`->` Câu chưa sửa

`25.` What books are people reading this year ?

`26`. Nam is milking the eows.

`27`. My father is washing the car.

`28`. Sheila is drinking a cup of tea.

29. Mary is cutting the cake with sharp knife.

`30` The mailman is deliverino the mail now .

`text{Sửa lại thành câu bị động.}`

`25. `What books are being read this year? 

`26.` The cows are being milked by Nam. 

`27`. The car is being washed by my father. 

`28`. A cup of tea is being drunk by Sheila. 

`29`. The cakes is being cut with sharp knife by Mary. 

`30`. The mail is being delivered by the mailman now. 

`=>` Cấu trúc câu bị động thì HTTD( hiện tại tiếp diễn)

S + have/ has + been + being + VpII + (by  + O).

Nếu là câu chủ động.

S + have/ has + been + V-ing + O