You must be dreaming 为什么不说 You are must dreaming?

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You must be dreaming 为什么不说 You are must dreaming?
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You must be dreaming 为什么不说 You are must dreaming?
You must be dreaming 为什么不说 You are must dreaming?

You must be dreaming 为什么不说 You are must dreaming?
这句话must情态动词做谓语的作用了,不需要再加are来做谓语动词了
must be是固定搭配,是表示情态动词后面用原型,不能加到前面来

must + do 是固定句式呢