Poll: I'd have helped if I had've known.

Bad English

Bad English

Luis Claudio Leon

Why is it bad?!
:-(

Linguistics student

It is prescriptively incorrect from the standpoint of Standard English, but descriptively correct in certain nonstandard dialects.

Ana

I'd have helped if I'd known. Third conditional.

pankaj shah

I could have helped if I had have known

biloo_5

It is not a standard construction in English.

I would have helped, had I known.
2. I'd helped if I had known.
3. Had I had the knowledge, I would have helped.