10 questions
Someone cleaned the office yesterday.
The office was cleaned by someone yesterday.
The office is cleaned by someone yesterday.
The office had cleaned by someone yesterday.
The office had been cleaned by someone yesterday.
This restaurant bill includes service.
Service is included in this restaurant bill.
Service was included in this restaurant bill.
Service will be included in this restaurant bill.
Service must be included in this restaurant bill.
Mark will drive his wife to work tomorrow.
Mark's wife will be driven to work by Mark tomorrow.
Mark's wife will driven to work by Mark tomorrow.
Mark's wife will drive to work by Mark tomorrow.
Mark's wife is driven to work by Mark tomorrow.
We will need honest politicians in our government.
Honest politicians will be needed in our government.
Honest politicians will need in our government.
Honest politicians are needed in our government.
Honest politicians needed in our government.
Someone is feeding the dog.
The dog is being fed by someone.
The dog was being fed by someone.
The dog will be being fed by someone.
The dog is fed by someone.
We were washing the floors last week.
The floors were being washed by us last week.
The floors are being washed by us last week.
The floors will be being washed by us last week.
The floors has been being washed by us last week.
People had grown oranges in California.
Oranges had been grown by people in California.
Oranges has been grown by people in California.
Oranges have been grown by people in California.
Oranges are grown by people in California.
They painted my house last week.
My house was painted last week.
My house painted them last week.
My house is painted last week.
My house paints them last week.
Anita is using the telephone.
The telephone is being used by Anita.
The telephone uses Anita.
The telephone is used by Anita.
The telephone are being used by Anita.
I have sent the e-mail twice.
The email has been sent by me twice.
The email has sent by me twice.
The email has been sent by I twice.
The email has sent by I twice.