虚拟语气在名词从句中 一、基本形式1.在由 suggest, demand, require, request, insist, order, command, propose 等表示建议、请求、命令、愿望等动词或其同根词引出的名词从句中，名词从句虚拟句的谓语变化的形式只有一条规律——名词从句虚拟句无论其主句的谓语动词时何种形式，从句的谓语形式均为 should+动词原形，其中 should 可以省去。（特别提醒：不是用 would,而是用should。）常见的这类动词有: ask 要求, advise, beg, suggest建议, command 命令, demand 要求，request 请求, insist, require 要 求 , order 下 令 , propose, advice, recommend, intend, prefer 宁愿, permit, persuade, expect, decide 决 定 , instruct, object, determine, urge, appoint 等等Our teacher suggested that we (should) not leave the classroom. 老师建议我们不要离开教室。He insisted that she do it right now. 他坚持她马上就做。在 It is/was +上述动词的-ed 形式+that 从句中It is suggested by the doctor that I should give up smoking. 医生建议我戒烟。当上述动词以其名词形式出现，并且被用作主语，引导一个表语从句或者同位语从句时My suggestion is that we (should) set out tomorrow morning. 我建议我们明早动身。The suggestion that the sports meeting (should) put off 在 It is /was necessary, important 等形容词+that 从句中，常见的这类形容词有:necessary, important, essential, vital, advisable, urgent, desirable, natural, strange, imperative 等It is necessary that you should attend the meeting. 你有必要参加会议。It is imperative that you arrive there in time. 你必须按时到达那儿。在 It is a pity (a shame, no wonder)+that 从句中It is a pity that you fail the exam.It is no wonder he be late for class.注意 1：insist / suggest 各有两种意思，要用不同的语气Insist ① 表示“坚决要求”时，用虚拟形式，即 should + do;Insist ② 表示“坚称，坚持说”时，用陈述语气，表示事实。Suggest ① 表示“建议”时，用虚拟形式。Suggest ② 表示“表明、暗示”时，用陈述语气。I insisted that he...
