Multiple choice general knowledge

If she _______ about his financial situation, she would have helped him out.

  1. had known

  2. knew

  3. have known

  4. none of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is a third conditional sentence describing an unreal past situation. The structure is: If + past perfect (had known) + would have + past participle (have helped). 'Had known' is correct because it refers to a past hypothetical condition. 'Knew' or 'have known' don't fit this conditional structure.

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