Перепишите каждое из следующих предложений дважды, образуя предложения нереального условия: а) относящиеся к настоящему или будущему (II тип), Ь) относящиеся к прошедшему (III тип). 1. If I am not too busy, I shall go to the concert. 2. If no one comes to help, we shall be obliged to do the work ourselves. 3. If you put on your glasses, you will see better. 4. What shall we do if they are late? 5. Will you be very angry if we don't come? 6. Will he be very displeased if I don't ring him up? 7. They will all be surprised if I make such a mistake. 8. If he doesn't come in tune, shall we have to wait for him?