What would have happened if you hadn't gotten up today?
I lent you my phone and you broke the screen
If I hadn't lent you my phone, you wouldn't have broken the screen.
Elmo didn't study and he failed the exam.
If he had studied, he wouldn't have failed.
She didn’t remember she had a photo session so she didn’t do her hair and makeup.
If she had remembered she had a photo session, she would have done her hair and makeup.
