关于情态动词疑问句Where is could he?Where could he is?

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关于情态动词疑问句Where is could he?Where could he is?
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关于情态动词疑问句Where is could he?Where could he is?
关于情态动词疑问句
Where is could he?
Where could he is?

关于情态动词疑问句Where is could he?Where could he is?
第一句是个错句.
第二句中COULD是情态助动词.没有为什么,情态动词就那几个.如果一个句子中有实意动词,还有CAN COULD这些,那这些CAN什么的,都是助动词.