You ate too many cookies yesterday. Today you have a terrible stomach ache
If you hadn't eaten so many cookies, today you would not have a terrible stomach ache.
Dani didn't play the game because he arrived late.
If Dani had been here on time, he would have played the game
Rephrase: Students will fail the test if they don't study the phrasal verbs. Unless___________
Unless students study the phrasal verbs, they will fail the test.
I think you should work harder.
If I were you, I would work harder
Rephrase: Nadia doesn't like the teacher because he doesn't play games. If the teacher...
If the teacher played games, Nadia would like him
Rephrase: The teacher was angry because Pedro interrupted him. If____________________________
If Pedro hadn't interrupted the teacher, he wouldn't have been angry
Rephrase: Students usually feel tired if they don't sleep well. Unless_________
Unless students sleep well, they usually feel tired.
Rephrase: Leti was really happy because she won the swimming competition. If Leti ________________________
If Leti hadn't won the swimming competition, she wouldn't have been happy
You ordered cinnamon rolls but you don't like cinnamon.
If you don't like cinnamon, you shouldn't have ordered cinnamon rolls!
Lou didn't do the homework at the weekend so he had to do it this morning. --> If Lou ________________
If Lou had done the homework at the weekend, he wouldn't have had to do it this morning.
Rephrase: I wish I had studied more. I didn't pass the exam. --> If I ...
If I had studied more, I would have passed the exam.
She doesn't like him because he's not rich enough. If he __________
If he were rich enough, she would like him
Rephrase: If you invite Alba to the party, she will come. Unless____________
Unless you invite Alba to the party, she won't come
Rephrase: Unless there is a lot of snow, Noa won't go skiing. If ______________
If there is a lot of snow, Noa will go skiing / If there isn't a lot of snow, Noa won't go skiing