Respuesta :

Answer:

See below

Explanation:

Sentence:

I crossed the river.

Tense:

  • Past simple

Negative Sentence:

  • Use of not.
  • Since the sentence is past simple, we will use did.
  • Use of first form after did.

⇒ I did not cross the river.

Interrogative sentence:

  • Interchange subject and verb.
  • Use of question mark.

⇒ Did I cross the river?

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