`->` Cấu trúc câu bị động ở quá khứ đơn : was/were + (not) + pii
`1` . Money was earned by John last year.
`2` . The window that room was opened by Anna.
`3` . Our homework was done yesterday.
`4` . He was asked some questions by me.
`5` . A lot of grass was eaten by the sheep.
`6` . Our rooms weren't cleaned
`7` . The ca wasn't repaired by William
`8` . Was this circle drawn by Sue ?
`9` . Was the dog fed by you ?
`10` . Câu này không chuyển sang bị động được vì không có tân ngữ ở câu chủ động
`11` . How many books were usually read ?
`12` . By whom was a book written ?
Who was visited by him ?
`13` . What was done yesterday ?
`14` . The house used to be cleaned by him