主语从句、表语从句和同位语从句中的虚拟语气

在这些从句中，虚拟语气的表示形式为 should + 动词原形， 或者单独使用动词原形。否定形式则采用 not + 动词原形。 “should + 动词原形” 这一结构在主语从句中多带有感情色彩，可译为 ‘竟然”。

1) 主语从句中的虚拟语气
* It was necessary that we (should) make everything ready ahead of time. 我们有必要提前准备好一切。
* It is essential that these application forms be sent back as early as possible．这些申请表应尽早地寄回，这是很重要的。
* It is important that we should do well in our lessons first. 我们先把功课学好很重要。
* It is a pity that we should not meet last night. 真遗憾我们昨天晚上没有见过面。
* It worries me that we should be blamed for that. 我们竟要受责备真让人烦恼。

2) 表语从句中的虚拟语气
* Their advice is that we (should) leave at once. 他们建议我们马上离开。
* My idea is that we (should) get more people to attend the conference. 我的想法是我们应该让更多的人参加会议。
* His suggestion is that we (should) send a few soldiers to help them. 他建议我们派几个战士去增援他们。
* Our only request is that this should be settled as soon as possible. 我们唯一的请求就是尽快解决这个问题。
* Their plan is that they should build a new factory in their hometown. 他们的计划就是在家乡建一座新工厂。

3) 同位语从句中的虚拟语气
* It is my advice that he be sent to study further abroad．我建议派他去国外进一步学习。
* The suggestion that the mayor present the prizes was accepted by everyone．由市长颁发奖金的建议被每个人接受。
* He told us his idea that he should go to university. 他告诉了我们他的想法：他想上大学。
* He makes the demand that she (should) leave the place at once. 他提出一个要求，要求她立刻离开这个地方。
* There was a demand that Brown should be dropped from the team. 有人要求布朗离队。
* What do you think of the proposal that we should put on a play at the English evening? 你对我们应该在英语晚会上演个话剧的建议怎么看？

4) 主语 + be + 形容词 + 从句
这种结构中的从句，有时也用should+动词原形构成虚拟语气。
I'm surprised that you should press the suggestion. 我很奇怪你怎么会坚持你的建议。
They're especially anxious that you should come. 他们特别期盼你能来。