1, The computer is used every day.
2, Coffee is drunk every morning by him.
3, The letter is typed.
4, Is English spoken well by her?
5, Meat is eaten every day.
6, This plant isn't watered by her every day.
7, Beer is drunk all over the world.
8, Uniforms are worn to school by students.
->Hiện tại đơn: S+am/is/are+VED/PII
->Qúa khứ đơn: S+was/were+VED/PII
(PII là phân từ 2, vd PII của see là seen)