介绍一种特殊的被动结构

介绍一种特殊的被动结构
 
先看看这个句子：
I don’t know him，but he __________ to have a lot of money. http://yingyu.chazidian.com
A. says                        B. said                        C. is said                        D. is saying
此题应选 C。这是一类比较特殊的被动语态。试比较以下各组句子：
据说他是一个诚实的人。
a. People say that he is an honest man.
b. It is said that he is an honest man.
c. He is said to be an honest man.
据说龟比象活得久。
a. People say that tortoises live longer than elephants.
b. It is said that tortoises live longer than elephants.
c. Tortoises are said to live longer than elephants.
人们认为他已离开了。
a. People believe that he has left.
b. It is believed that he has left.
c. He is believed to have left.
他们认为他取得了很大的进步。
a. They think that he has made great progress.
b. It’s thought that he has made great progress.
c. He is thought to have made great progress.(http://yingyu.chazidian.com)
常用于这类结构的动词有：say，think，believe，report等。