do后面接动词原形,是因为do后面的人称是复数形式,所以要接动词原形。如果一个特殊疑问句或一般疑问句是以do开头的。意味着他后面的人称代词是复数形式。既然人称代词为复数形式。他后面的动词,就必须要用原形动词。这是英语当中一个最重要的语法规则。
do后面加动词原形吗
这个要看do是做实义动词,还是助动词了。具体根据上下文来确定。如果是助动词用法的话,那就直接加动词原形。如果是实义动词的用法,是直接跟宾语的,那么如果是加动词的话,就要用动词的-ing形式,即动名词形式。
do + 动词原形,表示对动作的强调
例句:I remembered that Justin did return home last night.
我记得Justin昨晚确实回过家。
I did make somewonderfulpictures later.
do +动词原形 表示强调“的确如此”。do须根据时态和人称进行变化,后面动词要用原形。如:
(1) I do like the landscape.
我的确喜欢这个自然风光。
(2) He does want to go to America for future study.
他的确想去美国深造。
(3) They do go to the theatre yesterday.
他们昨天的确去看戏了。
do的不同形式用法
1.do用于一般现在时
例句:I often do my homework in the evening.
2.does用于第三人称单数的一般现在时
例句:He does his lessons every day.
3.did用于一般过去时
例句:They did homework yesterday.
4.doing常用于现在进行时或者非谓语动词(暂时不提)
例句:He is doing his homework now.
5.done 常用于完成时,被动态或者非谓语动词(暂时不提)
例句:He has done his homework.
do作为助动词用法
1.一般疑问句
例句:Do you like English?
2.选择疑问句
例句:Does he go to school by bus or by bike?
3.特殊疑问句
例句:How do you go to school?
4.反义疑问句
例句:You like English, don't you?
5.否定句
例句:I don't like English.
do的常见词组
do well in 在…方面做得好=be good at
do some cleaning 搞卫生,大扫除
do some cooking 做饭
do some shopping 买东西
do some washing 洗衣服
do one’s best 尽力=try one’s best to do=spare no effort to do
do a good deed 做好事
do the bed 铺床=make the bed
do with(与what搭配)处理=deal with(与how搭配)
do sb. a favor 帮助某一个忙=give sb. a hand
do the dishes 洗碗碟
have sth. to do with 与…有关=be related to
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