If you hadn’t drunk so many cocktails, you wouldn’t have felt sick in the morning.
If “study” ends in consonant plus y, it takes an –ies ending for 3rd person singular in Present simple.
If I had gone to the party, I would have met Dean, my ex-boyfriend.
You will be grounded if you don’t tidy your room.
If your battery is flat, your phone doesn’t work.
What would you do if your teenage child suffered bullying?
Julia would have been happier if she hadn’t married Greg.
If I met Dean again, I would fall in love with him again.
You are in bed with a terrible hang-over
I didn’t go to the party
Dean lives in other continent.
She married Greg.
I don’t have children so far
The room is a mess and you don’t want to stay in
It is a grammar rule
Oops! you can’t update Instagram.