Please, would you correct these conditional sentences.

1. He asked himself often whether his life would have taken another direction, if he had changed his job when he was younger.
2. If they had not beaten their horses so savagely, they would certainly still be alive.
3. If Peter had known what the judge was preparing for him, he would never have gone to court.
4.If he were more discerning, he would have moved to another town years ago.
5. If she were more determined, she would be still studying at the university.