Choose the correct answer

1. If you had worked hard, you would pass had passed hadn't passed would have passed wouldn't have passed the exam.
2. If they had taken him to hospital earlier, he would die had died hadn't died would have died wouldn't have died .
3. I would send had sent hadn't sent would have sent wouldn't have sent you the document if you had given me your email address.
4. He would miss hadn't missed had missed wouldn't have missed would have missed the bus, if he had woken up earlier.
5. If I would know had known hadn't knwon would have known wouldn't have known you were coming, I would have prepared a delicious meal.
6. If you would be had been hadn't been would have been late wouldn't have been late, you would have caught the six o'clock train.
7. I would buy had bought hadn't bought would have bought wouldn't have bought you a present if I had known it was your birthday.
8. If the weather had been better last weekend, we would go would have gone wouldn't have gone had gone hadn't gone to the beach.
9. If you would come wouldn't have come would have come hadn't come had come to the meeting yesterday, you would have met Jane.
10. The accident would occur had occurred hadn't occured wouldn't have occurred would have occurred if the driver hadn't been driving fast.