27. A letter hasn't been received of invitation.
28. Have been the exercise done by you ?
29. She hasn't been invited to the party.
30. The human life has already been changed with science and technology.
31. A new school has been built by the government in the area lately.

27. A letter of invitation haven't been recieved by me
28. Have the exercise been done yet?
29. She hasn't invited to the party
30. Human life has been changed by Science and Technology
31. A new school has been built in the area by the goverment lately
32. My money has been stolen by somebody for 3 months
33. The picture has been slashed with a knife by them
34. My father used to teach Rusian 5 years ago
35. They used to use this room for special occastions
36. The man used to drink a lot of wine

27. A letter of invitation haven't been recieved by me
28. Has the exercise been done yet?
29. She hasn't invited to the party
30. Human life has already been changed by Science and Technology
31. A new school has been built in the area by the goverment lately
32. My money has been stolen by somebody for 3 months
33. The picture has been slashed with a knife by them
34. My father used to teach Rusian 5 years ago
35. They used to use this room for special occastions
36. The man used to drink a lot of wine