`1` Was a blue bag sent to her for her Birthday party last week ?
`2` I was sent a lovely cake yesterday .
`3` Was a song being written by Việt for his friends ?
`4` Glasses were collected by my younger brother 3 years ago .
`5` Tennis isn't often played everyday .
`6` A new flash was designed by my father 2 weeks ago .
`7` This film hasn't never been watched by his aunt for 3 years
`8` Has something just been bought by Mr. Piggent ?
`9` Some new shorts are being made for me by my mother .
`10` The boxes were moved away from the window .
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Câu bị động thì
+) Quá khứ đơn : S + was / were + Vpp+ (by + O ) ( câu 1,2,4,6,10 )
+) Quá khứ tiếp diễn : S - was / were + being + Vpp+ ( by + O ) ( Câu 3)
+) hiện tại đơn : S + is / are / am + Vpp+ (by + O ) ( câu 5)
+) Hiện tại tiếp diễn : S + is / are / am + being + Vpp+ (by + O ) ( Câu 9 )
+) hiện tại hoàn thành : S + has / have + been + Vpp+ (by+ O ) ( câu 7,8 )
@ Dorris