Structure of second conditional

Structure of second conditional
positive negative question
If I had more time, I'd (I would) travel more. I wouldn't (would not) refuse if you offered me $10,000. What would you say if you met Queen Elizabeth?

Second conditional - common mistakes
Common mistakes Correct version Why?
If I would have enough money, I would buy a new computer. If I had enough money, I would buy a new computer. We use the past simple (I had) in the if-clause when we are talking about something which is unlikely to happen or is an imaginary situation.
If you didn't hurry so much, you will feel more relaxed. If you didn't hurry so much, you would feel more relaxed. The main clause has would + infinitive.