1) I didn't do my homework; because of that the teacher punished me.
I wish the teacher hadn't punished me. I wish I had done my homework.
2) Last night I drank a lot of coffee; consequently I didn't sleep well.
3) He is lazy; that's why his friends despise him.
4) He had an accident because he was driving carelessly.
6) He was smoking like a chimney; as a result he died of lung cancer.
7) They slept early; that's why they didn't see the film.
8) He gets fatter and fatter because he can't stop eating junk food.
9) We didn't invite her; so she didn't come.
10) I missed the first lecture as I arrived to the campus late.