گرامر

Page 73 - Exercise 3

Grammar focus - Passive with by (simple past) the passive changes the focus of a sentence. For the simple past, use the past of be + past participle.

Active - The president opened the building in 1931.

Passive - It was opened by the president in 1931.

Active - An American architect designed the building.

Passive - It was designed by an American architect .

Active - In 1964. The buildings owners added colored lights to the top.

Passive - Colored lights were added to the top by the building’s owners in 1964.