`Answer :`

`2.`  

`-` It is known that the award was won by him.

`-` He is known to have won the award.

`3.` 

`-` It is expected that the match will be won by the team.

`-` The team is expected to win the match.

`4.` 

`-` It is said that a new product will be launched by the company.

`-` The company is said to launch a new product.

`5.` 

`-` It is believed that the beautiful artwork was painted by her.

`-` The beautiful artwork is believed to have been painted by her.

`6.` 
`-` It is believed that the famous novel was written by her.

`-` She is believed to have written the famous novel.

$---------------------$

`-` Chủ động : S`1` `+` V`1` `+` that `+` S`2` `+` V`2`

`-` Bị động : 

`->` It is `+` V1-pII `+` that `+` S`2` `+` V`2`

`->` S`2` `+` is/am/are `+` V`1`-pII `+` to `+` V`2` (nguyên thể) 

`->` S`2` `+` is/am/are `+` V`1`-pII `+` to have `+` V`2`-pII

`2.` It is known that the award was won by him.

`+` He is known to have won the award.

`3.` It is expected that the match will be won by the team.

`+` The team is expected to win the match.

`4.` It is said that a new product will be launched by the company.

`+` The company is said to launch a new product.

`5.` It is believed that the beautiful artwork was painted by her.

`+` The beautiful artwork is believed to have been painted by her.

`6.` It is believed that the famous novel was written by her.

`+` She is believed to have written the famous novel.

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

`+` Cấu trúc bị động thể cách ( bị động không ngôi ) :

`-` It + tobe + V`3`/ed ( said / thought / ... ) + that + clause

`-` S`2` + tobe + V`3`/ed ( said / .... ) + to V-inf

`-`                                                      + to have + V`3`/ed 

$#Ribee$