2010年新高三英语名师手记：虚拟语气篇

　　2.虚拟语气在名词性从句中的运用

　　⑴在主语从句中， 在下面的几种情况下，谓语动词通常用“should +动词原形”

　　①It is+形容词+that…句型。常见的形容词有important, necessary, natural, funny, strange, surprising, astonishing(令人惊讶的)等。

　　② It is +名词+that…句型。常见的名词有pity, shame, advice, suggestion, proposal(提议，建议)， requirement, request, desire, order等。

　　③ It is+动词的过去分词+ that…句型。常见的动词有advise, order, propose, request, suggest, demand, require等。

　　在以上三种句型中，主语从句的谓语动词要用“should+动词原形”， should可省略。例如：

　　It is important that we (should) have a good knowledge of computer in modern times。

　　It is necessary that these useful expressions (should) be learnt by heart。

　　It is a shame that children (should) be forced to beg in the streets in the capital city。

　　It's suggested that the school (should) organize an outing when spring comes。

　　It is required that middle-schools students (should) take at least one-hour exercise every day。

　　⑵在下列动词后的宾语从句中，谓语动词用“should+动词原形”，should可省略。这类动词有：insist(坚持)， urge (催促)， order(命令)， command(命令)， request(请求，要求)， demand(要求)，require(要求，需要)suggest(建议)，advise(建议)，propose(建议) , recommend(建议， 推荐) 等。

　　The captain insisted that the wounded soldier (should) be sent to hospital at once。

　　The policeman demanded the thief (should) tell his name and address。

　　Doctors strongly recommend that fathers (should) be present at their baby's birth。

　　If Li Ming had spent more time on her studies, she might/would/could/should have been admitted to Tsinghua University last year。

　　【记忆小窍门】一个“坚持”和”催促”、二个“命令”， 三个“要求”， 四个“建议”。

　　⑶在含有advice, order, demand, proposal(提议) requirement, suggestion等名词的表语从句、同位语从句中，谓语动词用“should+动词原形”，should可省略。

　　The governor gave order that the flood (should) be controlled before dark。

　　My suggestion is that the project (should) be completed by the end of the year。