1.I shall
invite my friends to my birthday party.
My friends
will be invited to my birthday party
2.People
lose things in buses every day.
Things are
lost on buses every day
3.Rita will
buy flowers for her mother.
Flowers
will be bought by Rita for her mother
4.Sam chose
a nice present for his girl-friend.
A nice present
was chosen by Sam for his girl-friend
5.Lucy
didn’t write the test yesterday.
The test wasn’t written by Lucy yesterday