Поставьте следующие предложения с модальными глаголоми или их
эквивалентами в вопросительную и отрицательную формы.
1. I am able to play chess really well. 2. He may smoke here. 3. Our boss must sign the
contract. 4. My friend could play the guitar. 5. You have to speak English at the lesson.

1. Do I able to play chess really well? 2. May he smoke here? 3. Does our boss must sign the contract? 4. Does my friend can play the guitar? 5. Must I speak English at the lesson?