1. That old temple was built many years ago.
2. My test wasn't finished yesterday ?
3. What was done last Sunday (by you) !
4. Was that old bike repaired last night ?
CT chung về câu bị động ở thì quá khứ đơn :
(+) S + was/were + V(PII) + (by + O )
(-) S + was/were + not + V(PII) + ( by + O )
(?) Was/were + S + V(PII) + ( by + O ) ?