$\circ$ Bị động hiện tại đơn

`-` S + am/is/are + V3/ed + (by O)

$\circ$ Bị động hiện tại tiếp diễn

`-` S + am/is/are + being + V3/ed + (by O)

$\circ$ Bị động quá khứ tiếp diễn

`-` S + was/were + being + V3/ed + (by O)

`--------------`

`1.` The president is called every day.

`2.` Other members in John's class are being called by him now.

`3.` The documents were being delivered to the department by Martha.

`--------------`

$\textit{#NhatHuyThichChoiLiqi}$

$\text{~ Chúc b học tốt ạ ~}$

công thức chung `:`

`S+V+O`

`O``+` to be `+` `V_3` `+` by `S`

`1)`  People call the president every day .

`->` the president is called by people every day .

`2)` John is calling other members in his class now

`->` other members in John's class are being called by him now

`3)` Martha was delivering the documents to the department

`->` the documents was being delivered to the department by Martha