Question

If I ____________ before, I would have come for your help.

• A. knew it
• B. have known it
• C. had known it
• D. know

Answer 1

Answer:

C. had known it

This is a Third Conditional sentence. It expresses an unreal or imaginary situation in the past.

Structure:

If + subject + had + past participle (V³), subject + would have + past participle (V³)

Here:

• If I had known it before → unreal past condition.

• I would have come for your help → imagined past resul