The world’s first motorways _______________ (build) in Germany in the 1930s.
were built
Smoking _______________ (not allow) on planes.
isn't allowed
By the time we got to the party, all the pizza _______________ (eat).
had been eaten
Not much ____________(know) about this complicated subject.
is known
The 2026 Football World Cup _______________ (hold) in the North America. .
will be held
Don’t turn round! I think we _______________ (follow)!
are being followed
This tree is very old. It ___________________(plant) in the 19th century.
was planted
I think hotels _______________ (build) in space in the future.
will be built
This photo __________________(take) by my grandfather when I was five.
was taken
This piece of music _____________(not record) yet. I've just composed it.
hasn't been recorded