=>
11. Francis was being talked about by us.
12. The guitar was being played by him.
13. A film was being watched by her.
14. Their bikes were being repaired by me.
15. Dinner wasn't being eaten by them.
16. The gate wasn't being painted by us.
17. He wasn't being driven home by you.
18. The dogs weren't being fed by him.
19. Were these lines being read by her?
20. Were bags being carried by them?
Bị động QKTD
(+) S was/were being V3/ed (by O)
(-) S was/were (not) being V3/ed (by O)
(?) Was/were S being V3/ed (by O)?