1. People say that swimming is good for our health

> It

> Swimming

2. They think that the robber escaped in a red car.

> It

> The robber

1.

-> It is said that swimming is good for our health.

-> Swimming is said to be good for our health.

2. 

-> It is thought that the robber escaped in a red car.

-> The robber is thought to have escaped in a red car.

- Chủ động: S1 + V1 + that + S2 + V2

-> It is + V3/ed (V1) + that + S2 + V2 

-> S2 + is/am/are + V3/ed (V1) + to + V-inf (V2) -> Dùng khi V2 ở chủ động chia HTĐ/ TLĐ

-> S2 + is/am/are + V3/ed (V1) + to have + V3/ed (V2) -> Dùng khi V2 ở chủ động chia QKĐ/ HTHT

Đáp án `+` giải thích các bước giải:
`0612`
_________________________________________________________________________________ `1.` People say that swimming is good for our health`.`

`->` It is said that swimming is good for our health`.`

`->` Swimming is said to be good for our health`.` `2.` They think that the robber escaped in a red car`.`

`2.` They think that the robber escaped in a red car`.`

`->` It is thought that the robber escaped in a red car`.`

`->` The robber is thought to have escaped in a red car`.`

`@` `F``o``r``m``:`

`+` `S+V_1+tha``t+V-i``ng+t``obe+Adj+...`

`->` `S + t``o ``b``e`` + ``V_2 + th``at + S + V`

`->` `S + to be + V_2 + t``o + be + Adj`