issb english MCQ #513

Correct sentence:

issb english MCQ #513

  1. Question 1

    Q1. Correct sentence:

    • A) Had I knew, I would have acted.
    • B) Had I known, I would have acted.
    • C) If I had knew, I would act.
    • D) Had I know, I would have acted.

    Answer: Had I known, I would have acted.

    Explanation: Past perfect known follows had in third conditional. This usage is common in ISSB English and academic screening papers.