Cấu trúc câu bị động đặc biệt: S + believe/ think/ say/... + that + S2 + V + O

= It + be + believed/ thought/ said/... + that + S2 + V + O

= S2 + be + believed/ thought/ said/... + to Vnt / have + V (ed/ c3)... 

1, It is said that he plays football badly

he is said to play football badly

2, it is believed that the men died in the expedition

the men is believed to have died in the expedition

3, it is thought that a plan will be created next month

a plan is thought to be created next month

4, It was rumored that some children were kidnapped last week

some children were rumored to have been kidnapped last week

5, it was reported that the president had suffered heart attack

the president was reported to have suffered heart attack 

6, it is believed that 13 is an unlucky number

13 is believed to be an unlucky number