Ответ:

1. I learnt a lot at university. But I wouldn't have graduated if my parents hadn't helped me financially. (third conditional, нереальное условие относительно прошлого)

2. Don't panic! If we leave now, we will still get there on time. (first conditional, реальное условие в отношении будущего)

3. I doubt I'll get that job - and perhaps it's a good thing, too. If I got the job, I would have to move to London. (second conditional, нереальное или гипотетическое предположение относительно будущего)

4. Our day out has been a complete disaster. If I had known it was going to be so horrible, I would have stayed at home. (third conditional, нереальное условие относительно прошлого)

5. I don't know why you always listen to loud music when you're revising. If you concentrate you will remember more.  (first conditional, реальное условие в отношении будущего)

6. It's your own fault that you failed. If you hadn't played computer games all night, you would have passed. (third conditional, нереальное условие относительно прошлого)

Объяснение: