华宇课件网英语四级频道为备考英语四级的同学们整理了2019年12月英语四级语法之虚拟语气(5),希望可以为大家带来帮助,预祝大家高分通过大学英语四级考试。
某些名词后的表语从句和同位语从句中谓语动词要用虚拟语气
在一些名词后面的表语从句和同位语从句中,谓语动词要用虚拟语气。这时,谓语动词用动词原形或should +动词原形。这类名词一般表示命令,要求,决定,建议,主张等概念,主要有advice, idea, instruction, motion, order, plan, proposal, recommendation, request, requirement, suggestion,等。
My suggestion is that we (should) send for a doctor immediately.
He gave the order that they (should) do the experiment again.