doesn't和don't有什么区别 用法有何不同

doesn't和don't有什么区别：doesn't用在人或物是第三人称单数时，在否定句中放在第三人称单数或第三事物单数后面；don't用于第一人称单复数，第二人称单复数以及第三人称复数否定句子里。

doesn't和don't有什么区别

用法不同

1.don't

用法：do用来构成一般现在时和一般过去时的疑问或否定式。其后要跟原形动词。

例句：Don't argue with me.别和我争辩。

2.doesn't

用法：doesn't是三单形式，其后要跟原形动词。

例句：It doesn't matter to me whether you go or not.你去或不去，对我都没关系。

侧重点不同

1.don't

解析：don't用于第一人称、第二人称、第三人称复数否定句子里。

2.doesn't

解析：doesn't只用于第三人称否定句子里。

doesn't和don't造句

doesn't

1. Politics doesn't interest me.

我对政治不感兴趣。

2. That doesn't happen very often.

那不常发生。

3. She doesn't often wear heels.

她不常穿高跟鞋。

don't

1、Don't bother. I don't care.

不用麻烦了。

2、Don't dither over things that don't matter.

不要犹豫在无关紧要的事情。

3、Don't hesitate -don't doubt yourself.

不要犹豫不要怀疑自己。