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A confused time traveler just stepped out of his machine. Choose the correct auxiliary verbs to complete his frantic questions.
"Excuse me! _________________________ this the year 3024? _________________________ people still use smartphones here? And please tell me, _________________________ the great robot uprising happen already?"

Is this the year 3024? Do people still use smartphones here? Did the great robot uprising happen already?

  • Use Is for singular subjects with the "to be" verb (Is this...).
  • Use Do for plural subjects in the present tense (Do people...).
  • Use Did for actions completed in the past (Did the uprising happen...).
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