1.My father was painting the room

-> The room

2. Lan was writing a letter at 8 o clock yeassterday

-> A letter

3.Huy was painting the house from 6 am to 8 am yesterday

`1.` The room was being painted by my father.

`2.` A letter was being written by Lan at `8` o'clock yesterday.

`3.` The house was being painted by Huy from `6` am to `8` am yesterday.

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

`-` Cấu trúc câu bị động thì QKTD:

`(+)` S `+` was/were `+` being `+` PII `+` (by O)

`(-)` S `+` was/were `+` not `+` being `+` PII `+` (by O)

`(?)` Was/Were `+` S `+` being `+` PII `+` (by O) `?`

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

`@` Lưu ý:

`+` Trong câu chủ động với các chủ ngữ “I, They, We, somebody, someone,everybody, everyone,....” thì khi chuyển sang câu bị động ta bỏ By O.

`+` By O đứng trước trạng từ chỉ thời gian và đứng sau trạng từ chỉ nơi chốn.

$#thienhuong$

Đáp án `+` giải thích các bước giải:

Cấu trúc: S `+` was /were `+` being `+` V3/ed `+` by `+` O 

1.My father was painting the room

`->` The room was being painted by my father

2. Lan was writing a letter at 8 o clock yesterday

`->` A letter was being written by Lan at `8` o' clock yesterday

3.Huy was painting the house from 6 am to 8 am yesterday

`->` The house was being painted by Huy `6` am to `8` am yesterday