do和does的用法
1、作实义动词,也叫形为动词。和普通的动词一样,有自己的实际意思,表示“做”。
例如:do 、homework, do exercises等。
当主语是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 .
2.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.
扩展资料
do在句子中:
1、 构成一般疑问句
Do you want to pass the CET? 你想通过大学英语测试吗?
Did you study German? 你们学过德语吗?
2、 do + not 构成否定句
I do not want to be criticized. 我不想挨批评。
He doesn't like to study. 他不想学习。
In the past, many students did not know the importance of English. 过去,好多学生不知道英语的重要性。
3、构成否定祈使句
Don't go there. 不要去那里。
Don't be so absent-minded. 不要这么心不在焉。
说明: 构成否定祈使句只用do,不用did和does。
4、放在动词原形前
Do come to my birthday party. 一定来参加我的生日宴会。
I did go there. 我确实去那儿了。
I do miss you. 我确实想你。
2018-08-02 · 全日制系统化外语教学
1、作为实义动词/行为动词,都是“做”的意思,都是一般现在时,主语是第三人称单数用does,其余人称用do ;
2、作为助动词,没有意义,构成疑问句,主语是第三人称单数用does,其余人称用do,后面的动词都用原形。
如
1). I / We / They do my homework every day .(do是实义动词)
我/我们/ 他们每天做作业。
2). He /She does his / her homework every day .(does是实义动词)
他/她每天做作业。
3). Do you get up at seven every day ?(do是助动词)
你每天7点钟起床吗?
4). Does Jim get up at seven every day ?(does是助动词)
吉姆每天7点钟起床吗?
5). What time does he go to school every day ?(does是助动词)
他每天几点钟上学?
1.没有实际意义。一般用在疑问和否定句当中,不能单独做谓语。
如I have a cat.(肯定句里没有do /does)
Doyou have a cat? I don't have a cat.
2.do 是动词原形用于第一人称,第二人称和第三人称复数,does用于三单形式。
例句:
----Do you know his name? 你知道他的名字吗?
----Yes, I do. 是的,我知道。
He does the job very quickly. 他工作很快。
Children do morning exerciseevery day. 孩子们每天都做早操。
例句如:We usually do our homework in the afternoon.
He does his homework in the evening.
2,作为助动词,也就是帮助主要动词构成否定和疑问等,没有意义,主语是第三人称单数用does,其余人称用do,后面的动词都用原形。
例句如:We don't like bananas. Do you like apples?
Does he like English? He doesn't like swimming.

扩展资料
do和does的使用:
一,用do的情况为 :第一人称: I (我)、 We(我们) 第二人称: You(你)、 You(你们),如What do you do?
第三人称复数: they(他们),多个人名并列做主语时(比如Jenny and Tony, father and mother, my teacher等),如Jenny and Tony do their tasks together.
二,用does的情况为 :第三人称单数:he(他),she(她), it(它),单个的人名(如Jenny, Tony, my father等) ,或单个动物或者物品(如rabbit,monkey等) ,如He does not go.