07 Jul 08:53 PM

  • Japanese
Question about English (US)

Who could solve this problem fastest?
Who can solve this problem fastest?

How do you differentiate between these 2?
I want to know how you use "could" in the question form of Engish.

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  • Arabic
  • English (US)

  • English (US)
  • Spanish (Colombia)

  • Arabic
  • English (US)
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