needn't和mustn't有区别吗?

如题所述

第1个回答  2023-08-16

首先我们来看下needn't和mustn't的大致意思:

needn't:词性为缩写形式,needn't是由need和not两个词组合而成的缩写形式。

mustn't:词性为缩写形式,mustn't是由must和not两个词组合而成的缩写形式。

通过下面的表格我们了解下needn't和mustn't的含义、发音和用法


接下来让我们看下needn't和mustn't的用法区别:


1.含义:needn't表示不需要做某事,而mustn't表示禁止做某事。

例子:

- You needn't worry.

(你needn't担心。)

- You mustn't smoke.

(你mustn't吸烟。)



2.用法:needn't表示对某件事情没有必要,而mustn't表示对某件事情是禁止的。

例子:

- You can leave your umbrella behind, the weather is good, you needn't worry.

(你可以不带雨伞,因为天气很好,你needn't担心。)

- You can't smoke here, it's not allowed, you mustn't smoke.

(你不可以在这里吸烟,这是禁止的,你mustn't吸烟。)



3.语义:needn't表示对做某事的需要没有强调,而mustn't表示对做某事的禁止有强调。

例子:

- You don't have to attend the meeting, there is no need, you needn't go.

(你可以不去开会,没有必要,你needn't去。)

- You cannot be late, it's not allowed, you mustn't be late.

(你不可以迟到,这是禁止的,你mustn't迟到。)



4.语气:needn't表示建议或提醒,语气较轻;而mustn't表示强烈的命令或规定,语气较严厉。

例子:

- You can skip the shopping, I can buy for you, you needn't go.

(你可以不去购物,因为我可以帮你买,你needn't去。)

- You cannot touch that button, it's not allowed, you mustn't touch.

(你不可以触碰那个按钮,这是禁止的,你mustn't触碰。)

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