1) Photography was invented in 1840.
2) The American people were given the Statue of Liberty by the French government.
3) The doctor has been sent for.
4) The hall is being decorated by them.
5) Films are shown at the cinema.
6) The construction will have been completed by that time.
7) The lecture will be delivered tomorrow.
8) Penicillin was discovered by Flemming in 1928.
9) Pictures have been already taken by the tourists.
10) Paper was invented by the Chinese.