$1$ `:` My mother buys this book.

$2$ `:` Mr. Sam manages the export division.

$3$ `:` They speak English.

$4$ `:` Nina rides the bike every evening.

$5$ `:` They study information technology every day.

$6$ `:` My best friend buys an English book.

$7$ `:` Sam sells the dog.

$8$ `:` I decorate my room.

$9$ `:` John and his uncle wash the car.

$10$ `:` My mother and I clean the house.

Bị động HTĐ `:`

`( + )` S `+` is / am / are `+` VpII `+` ( by `+` O ).

`( - )` S `+` is / am / are `+` not `+` VpII `+` ( by `+` O ).

`(  ?  )` Is / Am / Are `+` S `+` VpII `+` ( by `+` O ) ?

Chủ động HTĐ `:`

`( + )` S `+` V ( s / es ) `+` O.

`( - )` S `+` don't / doesn't `+` V_inf `+` O.

`(  ?  )` Do / Does `+` S `+` V_inf `+` O ?

1. This book is bought by my mother.

~> My mother is buy this book

2. The export division is managed by Mr. Sam.

~> Mr.Sam is manage the export division.

3. English is spoken by them.

~> They are speak English.

4. The bike is ridden by Nina every

evening.

~> Nina is ride the bike every evening

5. Information technology is studied every day.

~> They is study information technology every day.

6. An English book bought by my best friend

~> My best friend is buy an english book

7. The dog is sold by Sam.

~> Sam is sell the dog.

8. My room is decorated by me.

~> I am decorate my room.

9. The car is washed by John and his uncle.

~> John and his uncle is washed the car.

10. The house is cleaned by my mother and me.

~> My mother and I is clean the house.