ENGLISH LANGUAGE FUNCTIONS: Expressing past regrets

Expressing past regrets

I wish I hadn't /I had never turned down the offer.

If only I had listened to my parents' advice.

I don't know why I ever stayed to study in my home

I can't think why I never didn't ask my teacher's advice.

I'm (really) sorry never didn't ask my teacher's advice.

I shouldn't have missed that golden opportunity

I should have accepted the scholarship grant.

I (really) regret not having taken that opportunity.

The verb tense which is used after "wish" and "if only" is past perfect.