doesn't和don't有什么區(qū)別 用法有何不同

doesn't和don't有什么區(qū)別：doesn't用在人或物是第三人稱單數(shù)時，在否定句中放在第三人稱單數(shù)或第三事物單數(shù)后面；don't用于第一人稱單復(fù)數(shù)，第二人稱單復(fù)數(shù)以及第三人稱復(fù)數(shù)否定句子里。

doesn't和don't有什么區(qū)別

用法不同

1.don't

用法：do用來構(gòu)成一般現(xiàn)在時和一般過去時的疑問或否定式。其后要跟原形動詞。

例句：Don't argue with me.別和我爭辯。

2.doesn't

用法：doesn't是三單形式，其后要跟原形動詞。

例句：It doesn't matter to me whether you go or not.你去或不去，對我都沒關(guān)系。

側(cè)重點不同

1.don't

解析：don't用于第一人稱、第二人稱、第三人稱復(fù)數(shù)否定句子里。

2.doesn't

解析：doesn't只用于第三人稱否定句子里。

doesn't和don't造句

doesn't

1. Politics doesn't interest me.

我對政治不感興趣。

2. That doesn't happen very often.

那不常發(fā)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.

不用麻煩了。

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

不要猶豫在無關(guān)緊要的事情。

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

不要猶豫不要懷疑自己。