Multiple choice

Directions: From the given options choose the correct modal and complete the sentence.

I ______ swim this river when I was young.

  1. can

  2. should

  3. shall

  4. could
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This sentence demonstrates the 'ability of past'. Modal 'could' (which is past of 'can') is the best option for the same purpose.

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