一、主语从句中的虚拟语气

1.It’s+adj.+that ...（should）do sth.

advisable 明智的　　　appropriate 适当的　　　desirable 值得做的　　　essential 必要的

strange 奇怪的　　　　important 重要的　　　　impossible 不可能的　　 natural 自然的

necessary 需要的　　　proper 适当的　　　　　 urgent 急切的　　　　　 vital 至关重要的

It is advisable that we （should）all work together.我们还是大家一起来做为好。

It is vital that we （should）not be absorbed in despair.我们千万不要深陷于绝望之中。

It is impossible that he （should）go home.他不可能会回家去。

It is necessary that I （should）return it right now.我有必要马上把它还回去。

2.It’s+n.+that ...（should）do sth.

desire 欲望　　　　demand 需求　　　　order 命令　　　　pity 遗憾

proposal 建议　　　shame 羞愧　　　　 surprise 惊奇　　 wonder 奇迹

It is a pity that he （should）miss such an opportunity.他竟然失去这样的机会，真可惜。

It is a shame that it （should）have come to this！ 事情竟落到如此地步！

It is his desire that a medical man should stay here.他希望有一个医务人员留在这里。

It is no wonder that she （should）be angry with you.难怪她生你的气。

3.It’s+done+that ...（should）do sth.

It is suggested that ...　　　It is requested that ...　　　It is required that ...

It is ordered that ...　　　　It is proposed that ...　　　 It is decided that ...

It is requested that a vote （should）be taken.建议付诸表决。

It is proposed that the plan （should）be delayed.有人建议推迟这项计划。

It is desired that this rule （should）be brought to the attention.希望这条规则引起注意。

It is suggested that parents （should）spend more time with their children alone.

人们建议父母应该花更多的时间和孩子单独在一起。