Помогите плиз с переводом!!! 1. If I were not too busy,

Помогите плиз с переводом!!!
1. If I were not too busy, I would go to the concert. If I had not been too busy, I would have gone to the concert.
2. If no one came to help, we would be obliged to do the work ourselves. If no one had come to help, we would have been obliged to do the work ourselves.
3. If you put on your glasses, you would see better. If you had put on your glasses, you would have seen better.
4. What would we do if they were late? What would we have done if they had been late?
5. Would you be very angry if we didn't come? Would you have been very angry if we hadn't come?
6. Would he be very displeased if I didn't ring him up? Would he have been very displeased if I hadn't rung him up?
7. They would all be surprised if I made such a mistake. They would all have been surprised if I had made such a mistake.
8. If he didn't come in time, we would have to wait for him? If he hadn't come in time, we would have had to wait for him?