2013年12月大学英语六级考试虚拟语气讲解22
2013年12月大学英语六级考试虚拟语气讲解22
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.