Proszę o pomoc zdania w stronie biernej czasy past simple i present simple

This museum was built 50 years ago. (build)

This sculpture ……………………….. at the museum now. (exhibit)

The phone ………………………………. by him in 2006. (not invent)

The apps are use billions of times every day. (use)

The paintings ………………………….. two years ago. (discover)