as和which引导非限制性定语从句的区别?答:4) 常用以下谓语动词的主、被动语态:know, see, say, expect, imagine, hope, believe, announce, suggest,report, point out…, 例: a. 主动(做宾):as we all know, as you know, as everybody knows; as you see, as we can see, as we have seen, as anybody can see; as ...