The Past unreal conditional: inverted form

If I had studied harder, I would have passed the exam.

If you had gone to the party, you would have seen me.

If he had had the opportunity, he could have gone.

I would have cleaned the house if I had known you were coming.

If she had listened to me, she wouldnt´t have had problems.

They wouldn't have brought the books if you hadn't told them.

If Brad hadn't taken French classes, he wouldn't have learned how to speak French.

Would you have started the project if you had known it was due on Monday?.

What would you have done if you had been me?.

If they hadn't forgotten the music, we could have danced at the party.