has 是单数主语后的动词形式,意思是有. has been 第一种是系动词be的完成时,第二,其后跟过去分词,表示现在完成时的被动语态. She has a book.她有本书 She has been to NewYork.她去过纽约. She has been beaten by Tom.她被TOM打了.
本来举了一些例子，发现自己的例子有问题。 Present Perfect Progressive Present perfect progressive tense describes an action that began in the past, continues in the present, and may continue into the future. This ...
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