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have和has的用法?
口诀:
have/has表拥有,你有我有大家有;两种形式有不同,男他女她动物它,张三李四单个他,has 与之紧相伴;其他形式都跟have。简单规则记心上,记心上
用法分析:
have与has都是“有”的意思,但二者用法是有区别的。
在陈述句中,当主语是单数第三人称(he、she、it)时,句子的谓语是“有”时,用has;当主语是其他人称(I、you、we、they)时,句子的谓语是“有”时,用have。
例句:
I \ You have an apple .
We\They have some apples .
He\She has a pen .
但是,在疑问句中,当主语是就单数第三人称提问或否定句时用助动词does 和does not (doesn't),然后把has 变成have 如果不是第三人称,助动词就是do ,否定式do not (don't).特殊疑问句回答照样,该是has 还是has 该是have 还是have 但是当一般疑问句 以do或does开头的时候,只能回答 do dont 或者 does doesn't
例句:
Do you have a book ? yes ,I do /No , I don't
What does a cat have ? the cat has a ,,,,,,,
He doesnt have any coffee.
就是第二种:have本身也可以作为助动词,(作为完成时里的助动词)本身无词义,和do 一样,has 就相当于does 在单三情况下用, 主要用于构成各种时态、语态、语气以及否定和疑问结构。(那此时的have还是has就要看具体的人称而定)完成时态是have/had + done (过去分词的形式)
I have finished my work, she has finished her work
have you finished your work? has she finished her work? 在一般疑问句里回答直接用have/has
yes,i have/ No , i haven't Yes, she has/ No, she hasn't(因为这里have/has是助动词)