mustn't have done什么意思

文/丁雪竹

mustn't have done可意为“本不必”,即已经做了某事,而实际上不必要。首先have one表示已经做过,这点就不用谈了。can't have done表示以前不可能做某事。

mustn't have done什么意思

Must的例句

1、What you wear should be stylish and clean, and must definitely fit well。(你的穿着应该整洁漂亮,而且必须非常合身。)

2、Candidates must satisfy the general conditions for admission。(候选人必须满足参选的总体条件。)

3、At 29 Russell must be one of the youngest ever Wembley referees。(29岁的拉赛尔一定是有史以来温布利球场上的裁判员中最年轻的一个。)

4、“You must be Emma,”said the visitor 。(来客说:“你肯定是埃玛。”)