如题,想请教以下句子的文法,
The man whom the police thought to be dead appeared in the park last night.
关系字句后面的句子,原句不是the police thought (that) the man was dead.吗,为何
变成关系子句后,不是the man whom the police thought (that) was dead appeared..
.....,而是变成to be dead.....呢?
麻烦各位帮我解答一下,感谢!!!