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It is not clear what you are trying to ask.
I want to form a special question to this sentence. And I want to give a question to "due to heavy fog". Is it true "Why couldn’t any of the planes take off?" or "Why could none of the planes take off? || Why none of the planes could take off?
Both your examples are correct.
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I want to form a special question to this sentence. And I want to give a question to "due to heavy fog". Is it true "Why couldn’t any of the planes take off?" or "Why could none of the planes take off? || Why none of the planes could take off?