11. These trees were planted by my grandfather many years ago.

12. Some cups of tea were brought by her to the visitors in the net room.

13. The money will be sent to you at the end of the month.

14. These boxes were handed to the customer by the shop assistant

Cấu trúc bị động quá khứ đơn: → S +was/ were + V3(+ by Sb/O)

Cấu trúc bị động tương lai đơn: → S + will be + V3 (+ by Sb/O)

$11.$ These trees were planted by my grandfather many years ago.

$12.$ Some cups of tea were brought by her to the visitors in the next room.

$13.$ The money will be sent to you at the end of the month.

$14.$ These boxes were handed to the customer by the shop assistant.

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$Form:$

$-$ Bị động thì $QKĐ:$ $S$ $+$ $was/were$ $+$ $VpII$ $(+by$ $O).$

$-$ Bị động thì $TLĐ:$ $S$ $+$ $will$ $be$ $+$ $VpII$ $(+by$ $O).$

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$@haanx2$