> 教育经验 > do和does的区别和用法是什么

do和does的区别和用法是什么

do和does的区别和用法是什么

主语是I/We/You/They或者复数名词时,动词用do。

例如I often do my homework in the evening .

当主语是He/She/It或者其他单数名词时,动词用does。

例如She often does homework in the evening .

作助动词,无实际意思。通常用于疑问句和否定句。

(1)用于一般疑问句。直接在句首加上do/does,注意大小写和部分人称及动词的变化。

例如

I like apples.

Do you like apples?

Yes, I do. /No, I don\'t.

当主语是三人称单数时,用does.

例如She likes apples.

Does she like apples?

Yes, she does. /No, she doesn\'t.

(2)用于否定句时,在句子中加上don\'t或者doesn\'t.

例如I don\'t like apples.

She doesn\'t like apples.

易出国留学