虚拟语气在从句中用should的情况(共2页).doc

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1、精选优质文档-倾情为你奉上虚拟语气在从句中用should的情况 1. 在建议、要求、命令、想法后的动词后的宾语从句里, 用should + 动词原形, should 可以省略. 如 advise, agree, command, decide, demand, determine, indicate, insist, order, propose, request, require, suggest, urge. The doctor suggested that she (should) take good care of herself.2. 在建议,要求,命令,想法后的名词后的从句里,

2、用should + 动词原形, should可以省略. 如 advice, agreement, command, decision, demand, determination, indication, insistence, order, preference, proposal, request, requirement etc. It was Bills suggestion that everyone (should) have a map. (主语3. 在It is/was +形容词后that引起的主语从句中用should的结构, should 可以省略。这类形容词常见的有: ad

3、visable, anxious, compulsory, crucial, desirable, eager, essential, impossible, improper, important, natural, necessary, obligatory, possible, preferable, probable, recommended, urgent, vital; strange, surprising, unnatural，etc. Its natural that she (should) do so. It is important that we (should) learn English well.4. 在 Its （about）/（high）time 后的that 从句中, 用过去式, 有时也可用should + do 的形式表示 “该是做什么的时候” should不能省略。 It is about time you were in bed. It is high time we left（should leave）.专心-专注-专业