`1` Why wasn't he helped?
`2` How many games have been played by the team?
`3` Where is english spoken?
`4 ` Who is being kept in the kitchen?
`5` How can this safe be opened?
`6 ` What books are being read this year?
`7` How was the lost man found by the police?
`8` Who are you looked after the children by?
`9` How long has the doctor been waited?
`10` What time can their papers be handed by the boys?
`11` Who are you lent this book by?
Câu BD :
Thì HTD : Wh + is / are / am + S+ Vpp+ O ?
Thì QKD : Wh+ was / were + S + Vpp+ O ?
Thì HTHT : Wh + has / have + S + been + Vpp+ O ?
Thì HTTD : Wh + is / are / am + S + being + Vpp+ O ?
Với model verbs: Wh+ can/ could /... + S+ Vpp +O ?