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在什么情况下用have.has.is.are.
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在什么情况下用have.has.is.are.
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答案和解析
1.have,has 做实意动词 表示“有”,做助动词常用于现在完成时
eg.I have some books.我有一些书.
She has an apple.她有一个苹果.
They have been to Beijing twice.他们去过北京两次.
He has gone to Qingdao.他去青岛了.
2.is ,are 做联系动词表示“是”,做助动词常用于现在进行时
eg.He is a student.他是个学生.
They are workers .他们是工人.
She is singing.她在唱歌.
They are playing basketball.他们在打篮球.
eg.I have some books.我有一些书.
She has an apple.她有一个苹果.
They have been to Beijing twice.他们去过北京两次.
He has gone to Qingdao.他去青岛了.
2.is ,are 做联系动词表示“是”,做助动词常用于现在进行时
eg.He is a student.他是个学生.
They are workers .他们是工人.
She is singing.她在唱歌.
They are playing basketball.他们在打篮球.
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