1 was written
2 were made
3 were broken
4 were built
5 was invented
6 was made
7 was sent
8 was played
9 was designed
10 was stolen
_ Câu bị động : THì quá khứ đơn
(+) S + was/were + PII
(-) S + was/were + not + PII
(?) Was/Were + S + PII ?
_ Was : I, she, he, it và N Số ít
_ Were : You, We, They và N số nhiều
