it is 加过去分词加从句的用法.仔细讲讲.多多益善

It is + 过去分词 + 从句,常用的组合如下：it is hoped that 希望it is asked that 要求it is heard that 听说It is said that 据说It is reported that 据报道It is announced that 通知说It is excepted that 寄望...