一些含有假设、猜想、建议等意思的动词后面的宾语子句要用should+原形动词结构,should往往可以省略,这类动词有:advice, order, request, suggest等。

He suggested that I practice more.

他建议我多多练习。

表示假设语气的副词子句可以由不定词片语或分词片语等代替。

To think of his singing, I could hardly help laughing.

想起他唱歌, 我就会忍不住笑起来。

在as if, as though, in case, even if等引导副词子句中,表示与事实相反时,要用假设语气。

Even if you laughed at me, I wouldn’t give up.

即使你嘲笑我，我也不放弃。

表示假设语气的副词子句可以由with, without, but for等介系词片语代替。

With his help, I would make more progress.

在他的帮助下，我会有较大地进步。

在wish后的子句用过去式表示与现在事实相反的假设;

Then I wish you were my first listener.

那么我希望你是我的第一个听众。

在wish后的子句用过去完成式表示与过去事实相反的假设。

I really wish I had not spoken like that.

我真希望我没那样讲。 想学好英语口语,就得这样逼出来! 想学好英语吗--英语学习方法经验集