Chủ động --> bị động
14. What were you watching between 8 and 9 o'clock last night?
28. Have they changed the window of the laboratory?
29. Has Tom finished the work?
30. How many games has team played?
31: How long have they waited the doctor?
39. Why didn't help these newcomers?
44. Nobody told me that my friend was ill
Chủ động --> bị động
14. What were you watching between 8 and 9 o'clock last night?
=>What was being watched by you between 8 and 9 o'clock last night?
28. Have they changed the window of the laboratory?
=>has the window of the laboratory been changed ?
29. Has Tom finished the work?
=>Has the work been finished by Tom?
30. How many games has team played?
=>How many have been played by the team?
31: How long have they waited the doctor?
=>How long has the doctor been waited ?
39. Why didn't help these newcomers?
=>Why weren't these newcomers helped ?
44. Nobody told me that my friend was ill
=>I wasn't told that my friend was ill
