Нет ни одного правильного предложения. Почти все предложения - III тип условных предложенийВ главном предложении would have и смысловой глагол в III форме, а в придаточном had и III форма смыслового глагола 2. He will work harder in French lessons if he has a French penfriend.3. If he had been ill on the day of the exam could he have taken it at another time?4. If I had enjoyed studying, I would have gone to university.5. If she had left home earlier, would she have got to the interview on time? 6. My parents would not have been angry if I had phoned and told them where i was.7. If I had not slept late this morning, I wouldn't have missed breakfast.8. Could she have got the job if she had not known the boss?9. I would not have known anything about Picasso if we had not learned about him at school. 10. A lot of people wouldn't have been successful if they had been discouraged by their failures.