ACTIVE AND PASSIVE VOICE

Front

Alexander Fleming invented penicillin.

Back

Penicillin was invented by Alexander.

Front

Eiffel tower built by Alexandre

Back

Eiffel tower has been built by Alexandre

Front

Egyptians designing the pyramids

Back

Pyramids were being designed by Egyptians

Front

Shakira will sing waka waka.

Back

waka waka is going to be sung by Shakira.

Front

Gabriel Garcia Marquez wrote Cien años de soledad

Back

Cien años de soledad should have been written by Gabriel Garcia M.