How often do you exercise 句子里的中的exercise是动词吗?那么exercises呢?如果它是动词,但是句子里的do也是动词啊!一个句子不可能有两个动词不是吗?希望能有个很好的答案?

来源：学生作业帮助网编辑：六六作业网时间：2024/12/22 23:42:42

Howoftendoyouexercise句子里的中的exercise是动词吗?那么exercises呢?如果它是动词,但是句子里的do也是动词啊!一个句子不可能有两个动词不是吗?希望能有个很好的答案

How often do you exercise 句子里的中的exercise是动词吗?那么exercises呢?如果它是动词,但是句子里的do也是动词啊!一个句子不可能有两个动词不是吗?希望能有个很好的答案?
How often do you exercise 句子里的中的exercise是动词吗?那么exercises呢?如果它是动词,但是句子里的do也是动词啊!一个句子不可能有两个动词不是吗?希望能有个很好的答案?

How often do you exercise 句子里的中的exercise是动词吗?那么exercises呢?如果它是动词,但是句子里的do也是动词啊!一个句子不可能有两个动词不是吗?希望能有个很好的答案?
do不是动词,是助动词.exercise是动词.
exercises是练习的意思.名次.
什么是助动词?
1）协助主要动词构成谓语动词词组的词叫助动词（Auxiliary Verb）.被协助的动词称作主要动词（Main Verb）.
助动词自身没有词义,不可单独使用,例如：
He doesn't like English.他不喜欢英语.
（doesn't是助动词,无词义；like是主要动词,有词义)
2）助动词协助主要动词完成以下功用,可以用来：
a.表示时态,例如：
He is singing.他在唱歌.
He has got married.他已结婚.
b.表示语态,例如：
He was sent to England.他被派往英国.
c.构成疑问句,例如：
Do you like college life?你喜欢大学生活吗?
Did you study English before you came here?你来这儿之前学过英语吗?
d.与否定副词not合用,构成否定句,例如：
I don't like him.我不喜欢他.
e.加强语气,例如：
Do come to the party tomorrow evening.明天晚上一定来参加晚会.
He did know that.他的确知道那件事.
最常用的助动词有：be,have,do,shall,will,should,would

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