I.Simple present and simple past: S + Be + PP
1. They carry those shelves to our library.
2. People see John at the bus stop every morning
3. They put those periodicals on the reading table
4. No one saw him at school yeterday
5. People speak English in Newzeland
6. My sisters finds that book on the shelf
7. Do they like him much?
8. Does Marry give you this book
9. People don't keep those books for refference
10.The principal doesn't write this letter
I.Simple present and simple past: S + Be + PP
1. They carry those shelves to our library.
Those shelves are carried to our library.
2. People see John at the bus stop every morning
John is seen at the bus stop every morning.
3. They put those periodicals on the reading table
Those periodicals are put on the reading table.
4. No one saw him at school yeterday
He wasn't seen at school yesterday.
5. People speak English in Newzeland
English is spoken in Newzealand.
6. My sisters finds that book on the shelf
That book is found on the shelf by my sisters.
7. Do they like him much?
Is he liked much?
8. Does Marry give you this book
Is this book given to you by Mary?
9. People don't keep those books for refference
Those books aren't kept for reference.
10.The principal doesn't write this letter
This letter isn't written by the principle.