26. Do they teach English here? 27. Will you invite her to your wedding party? 28. Has Tom finished the work? 29. Did the teacher give some exercises? 30. Have they changed the window of the laboratory?

`26`. Is English taught here?
`→` bị động HTĐ: Is/Am/Are S V3/ed (by O)?

`27`. Will she be invited to your wedding party?

`→` bị động TLĐ: Will S be V3/ed (by O)?

`28`. Has the work been finished by Tom?

`→` bị động HTHT: Have/Has S been V3/ed (by O)?

`29`. Were some exercises given by the teacher?

`→` bị động QKĐ: Was/Were S V3/ed (by O)?

`30`. Has the window of the laboratory been changed?

`→` bị động HTHT: Have/Has S been V3/ed (by O)?