精选优质文档-倾情为你奉上名词性从句注意事项1、 主语从句1. 用it做形式主语的常用句型有(1) It+系动词+adj. (necessary, right, likely, important, certain等)+that从句(2) It+be+名词(短语) (a pity, no wander, no shame等) +that从句(3) It+be+过去分词(said, told, reported, decided等)+that从句(4) It+特殊动词(seem, appear, happen, matter)+that从句2. 在It is necessary, important, suggested, advised, ordered+that从句结构中,从句用should+do2、 宾语从句1. 在主句的主语是第一人称单数,谓语为think, believe, suppose, expect等动词一道的宾语从句中,有时谓语尽管是否定意思,却不用否定形式,而进行否定前移2. 有些动词带宾语从句时习惯上需要在宾语