They have here (since 2000).(对划线部分提问)急!

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They have here (since 2000).(对划线部分提问)急!

They have here (since 2000).(对划线部分提问)急!
They have here (since 2000).(对划线部分提问)急!

They have here (since 2000).(对划线部分提问)急!
been 句子缺少动词 还要用过去分词 因为since是使用完成时的标志词 been放在have后面 译文:他们从2000年开始就在这里了!

when have they been here ?为什么呀?能跟我说说理由吗?您原句应该是: They have been here since 2000 . 一般完成时, 变成一般疑问句:即: when have they been here ? 把现在完成时的陈述句变一般疑问句只需要把句子中的助动词 have /has 提前 I have finished my homework ...

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when have they been here ?

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when do they have been here?

When do they have here?