一、It is said that...句式
It is said that honesty is the best policy.
It is said that thirteen is an unlucky number.
It is said that those who eat the most are the least healthy.
It's supposed to be very good.
It's expected that the war would end soon.
It is reported that another earth satellite has been put into orbit.
二、There is said...句式
There is said to be plenty of oil off our coast.
There is supposed to be a train at 9:30.
There are known to be thousands of different species of beetles.
三、sb. / sth. is said...句式
Mr. Brown is said to have died of liver cancer.
The strike is expected to end soon.
He is believed to have already got out of the country.
They say that it is going to be a cold winter.
They say that a good sweat will cure a cold.
People say that lightning never strikes twice in the same place.
People say that he is living abroad.
五、Rumour has it that...句式
Rumour has it that we'll have a new manager soon.
Rumour has it that they are getting married.
The word is that he's left the country.