when is the trian arrived.“is在这里干什么用” is和arrived不就是两个动词?

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when is the trian arrived.“is在这里干什么用” is和arrived不就是两个动词?
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when is the trian arrived.“is在这里干什么用” is和arrived不就是两个动词?
when is the trian arrived.“is在这里干什么用” is和arrived不就是两个动词?

when is the trian arrived.“is在这里干什么用” is和arrived不就是两个动词?
你这是一个病句.正确的表达应该是:"when did the train arrive"
"did" 是助动词"do"的过去式,帮助这个句子形成过去时态.
因为"arrive"到达是一个拥有实际意义的实义动词,因此帮助它构成一个特殊疑问句的应该是助动词而不应该是如"is"等的联系动词.

这个句子错误。 when did the train arrive?
when does the train arrive?

arrived这里是副词,adv.表示车到的状态