The third conditional

I wouldn´t have woken up late if I hadn´t stayed up late.
I woke up late because I stayed up late.

If he had been more careful, he wouldn't
have had an accident.
He had an accident because he wasn´t careful.

If Bob had studied harder, he wouldn´t have failed the test.
Bob didn´t pass the test because he didn´t study hard.

Sarah wouldn't have needed fillings if he had
brushed her teeth more frequently.
Sarah needed dental fillings because she didn´t brush
her teeth frequently.

Peter wouldn't have learnt Spanish, if he hadn't taken lessons.
Peter speaks Spanish because he took lessons.

If Brianna hadn´t saved money, she couldn´t have bought a fancy car.
Brianna bought a fancy car because she saved money.

If it had rained, Mark and his son wouldn´t have gone fishing.
Mark and his son went fishing because it didn´t rain.

Ron wouldn´t have arrested if he hadn´t been caught shoplifting.
Ron was arrested because he was caught shoplifting.

Fred wouldn´t have put on weight if he hadn´t eaten too much.
Fred put on weight because he ate too much.