Someone had broken the window by 3:00 p.m. => The window
Someone had broken the window by 3:00 p.m.
=> The window ______________________________.
Đáp án: The window had been broken by 3:00 p.m.
Giải thích: Câu bị động thì quá khứ hoàn thành: S + had been + Vp2
Dịch: Cửa sổ đã bị phá vỡ lúc 3 giờ chiều.