`Answer:`

`1,` A new song is being sung by the boy

`2,` A kite is being flown by Mr. Jack and his daughter at this time

`3,` A snowman is being made by my son

`4,` Three dinners are being served by the waiter at this time

`5,` A novel is being read by my brother now

`6,` Paintings are being sold now

`7,` Some milk is being drunk by the cat

`8,` The car is being washed by my father

`9,` A big bag of presents is being carried by Santa Claus on his back

__________________________________________________

$\text{*Structure: Passive voice}$

`@` Câu bị động thì HTTD:

`+)` $\text{S + am/is/are + being + VpII + by O...}$

`-)`  $\text{S + am/is/are + not + being + VpII + by O...}$

`?)` $\text{Am/Is/Are + (not) + S + being + VpII + by O...}$

`#TD`

`\color{#145277}{N}\color{#246483}{a}\color{#34768F} {e}\color{#44889B}{u}\color{#539AA7}{n}`

`***` Công thức câu bị động : 

`@` HTTD : S + am / is / are + being + V3/ed

`-` Thứ tự của Object : chốn `-` nhân (by O) `-` gian

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

`1.` A new song is being sung by the boy.

`2.` A kite is being flown by Mr. Jack and his daughter at this time.

`3.` A snowman is being made by my son.

`4.` Three dinners are being served by the waiter at this time.

`5.` A novel is being read by my brother now.

`6.` Paintings are being sold now.

`7.` Some milk is being drunk by the cat.

`8.` The car is being washed by my father.

`9.` A big bag of presents is being carried by Santa Claus on his back.