Напишите каждое предложение три раза, образуя условные предложения i, ii и iii типов. 1. if you put on your glasses, you will see better. 2. if no one comes to help, we shall be obliged to do the work ourselves. 3. if i am not too busy, i shall go to the concert.

1. If you put on your glasses, you would see better. If you had put on your glasses, you would have seen better.
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 I wasn't too busy, I would go to the concert. If I hadn't been too busy, I would have gone to the concert