Put the following sentences into the passive voice.

1. My wife was very annoyed when she discovered that the cashier had cheated her.

2. The police noticed that they had not yet taken the wrecked car away.

`1` `M`y wife was very annoyed when she discovered that she had been cheated by the cashier.

`-` Bị động QKHT: S + had + been + PII (by O)

`->` Vợ tôi rất bức xúc khi biết mình bị lừa bởi nhân viên thu ngân.

`2` `T`he police noticed that the wrecked car hadn't been taken away.

`-` Bị động QKHT: S + had + (not) + been + PII (by O)

`->` Cảnh sát nhận thấy rằng chiếc xe bị hỏng vẫn chưa được mang đi.