Those houses ______ (build) by our ancestors long time ago.
Those houses WERE BUILT by our ancestors long time ago.
This valley ____often (photograph) by tourists.
This valley IS often PHOTOGRAPHED by tourists.
How many children ____(teach) English in this country?
How many children ARE TAUGHT English in this country?
Why ____ your town (call) so?
Why IS your town CALLED so?
When ____your room (clean) last time?
When WAS your room CLEANED last time?
Rome ____(visit) by a lot of tourists in all seasons.
Rome IS VISITED by a lot of tourists in all seasons.
Last year the tickets for the trip ____(not include) in the price of the holiday.
Last year the tickets for the trip WEREN'T INCLUDED in the price of the holiday.
This island ____(discover) in 1920.
This island WAS DISCOVERED in 1920.
The rubbish bags ____(collect) yesterday.
The rubbish bags WERE COLLECTED yesterday.
In this school children ____(teach) foreign languages.
In this school children ARE TAUGHT foreign languages.
Tourists _____often (warn) about sharks.
Tourists ARE often WARNED about sharks.
The sand on the beach ____(clean) every morning.
The sand on the beach IS CLEANED every morning.
Thousands of plastic bottles_____ (find) in the ocean every day.
Thousands of plastic bottles ARE FOUND in the ocean every day.
How many billions of years ago _____ the Earth (form)?
How many billions of years ago WAS the Earth FORMED?
Last year the series ____ (watch) over the world.
Last year the series WAS WATCHED over the world.
