it is strange that he should have gone away withou答:这是虚拟语气用在主语从句中的表现 It is/was +adj.+ that+主语+should do (should可以省略)adj可以是 advisable,amazing,astonishing,better,clear,certain,desirable,good,interesting,impo-ssible,normal,necessary,possible…It is unbelievable that she should have lost her wedding ring on the way...
英语语法,名词性从句这一块的主从虚拟语气和it做形式主语的区别。答:主语从句的虚拟语气主要体现在It做形式主语的三种情况:It’s +p.p +that ;It’s + adj. +that;It’s + n. +that 常用的动词recommand, demand, desire, order, request, require, suggest,command 常用的形容词important, necessary, right, advisable, natural, strange, surprising, ...