It+be+形容词或过去分词+主语从句 当形容词为important时,要用虚拟语气.
问题描述：
It+be+形容词或过去分词+主语从句 当形容词为important时,要用虚拟语气.
It is important that the committee be informed about the project at once.我不是很懂虚拟语气.
答
It is important that the committee be informed about the project at once
这是一句虚拟语气
省略了should
完整的应该是It is important that the committeeshould be informed about the project at once