久久题库网CET考试中心编辑整理2020年大学英语CET六级考试虚拟语气：虚拟语气从句中should可以省略的情况，供CET考生参考练习，希望大家能顺利通过考试。

2020年六级考试虚拟语气：虚拟语气从句中should可以省略的情况

　　1. 在建议,要求,命令,想法后的动词后的从句（宾语从句）里, 用should + 动词原形, should 可以省略. 如：

　　advise, agree, command, decide, demand, determine,grant, indicate, insist, order, prefer, propose,request, require, stipulate, suggest, urge, vote.

　　常考到的是: suggest, advise, demand, require, propose, insist, order, request.

　　如：

　　⑴、His doctor suggested that he (should) take short leave of absence.

　　⑵、The author proposed that TV (should) be turned off at least one hour every day.

　　2. 在建议,要求,命令,想法后的名词后的从句（表语从句，同位语从句）里, 用should + 动词原形, should可以省略. 如：

　　advice, agreement, command, decision, decree, demand,determination, indication, insistence, order,preference, proposal, request, requirement, stipulation etc.

　　例如：

　　⑴、It was Bill’s suggestion that everyone (should) have a map.

　　⑵、His suggestion was that everyone (should) have a map.

　　⑶、He gave us a suggestion that everyone (should) have a map.

　　3. 在It is/was +形容词（或名词）后的that 从句中用should的结构, should 可以省略.

　　句型结构如：It is suggested / important / demanded / necessary / a pity /…+ that…⑴、It is suggested that we (should) hold a meeting next week.

　　⑵、It is necessary that he (should) come to our meeting tomorrow.

　　这类形容词常见的有: advisable, anxious, compulsory, crucial,desirable, eager, essential, fitting, imperative(绝对必要),impossible, improper, important, natural, necessary,obligatory, possible, preferable, probable,recommended, urgent, vital etc.

　　例如：

　　⑴、It's natural that she (should) do so.

　　⑵、It is essential that we (should) tell her the news.

　　4. 在lest 和for fear that( 以免) , in case (以防)从句中用should, should 可以省略.

　　例如：

　　⑴、She walked quietly lest she (should) wake up her roommates.

　　⑵、Have your gun ready in case we should need it.

　　以上是由久久题库网英语四六级频道整理，海量考试试题，尽在久久题库网。

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