Passive voice

They built a new school here last year.

--> A new school...

I didn't used this computer two years ago.

--> This computer...

My father waters these flower trees every morning.

--> These flower trees ...

John invited Fiona to his birthday party last night.

--> Fiona...

Her mother always prepares the dinner in the kitchen.

--> The dinner...

We clean out teeth twice a day.

--> Our teeth...

Our teachers give us a free period this Saturday to prepare the festival.

--> A free period...

People consider Harvard as the oldest university in the USA.

---> Harvard...

King Le Thanh Tong erected the first Doctors' stone tablets.

Do hundreds of tourists visit your town every year?

---> Is your town...