`23.` A new proceduce is being developed by the company.

`24.` Who is being kept in the kitchen?

`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.` A cake is being cut with sharp knife by Mary.

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

`------------`

`@`Câu bị động `-` thì HTTD:
`(+)` S + am/is/are + being + P2 + (by O)
`(-)` S + am/is/are not + being + P2 + (by O)

`(?)` Am/is/are + S + being + P2 + (by O)?

Công thức - bị động - thì HTTD:

(+) S + am/is/are + being + V3/ed 

(-) S + am/is/are + not + being + V3/ed 

(?) Am/Is/Are + S + being + V3/ed ?

------------------------------------------------------------

23. A new product is being developed by the company.

24. Who is being kept in the kitchen?

25. What books are being red 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 cake is being cut with sharp knife by Mary.

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

`color{orange}{~LeAiFuRuiHuiBao~}`