Модальные глаголы Can, may
Can ( мочь ) Выражает умение, способность совершать действие He can swim.
Present Simple – can She can sing well. Past Simple – could She could sing very well in her childhood. Future Simple – will be able to She will not be able to work tomorrow.
Can\Could She can\could read the book. She cant\couldnt read the book. Can\Could she read the book? What can\could she read?
To be able to do smth He is able to translate the text. He isnt able to translate the text. Is he able to translate the text? Is he or she able to translate the text? Who is able to translate the text? What is he able to do? He is able to translate the text, isnt he?
May ( может быть, возможно ) Выражает предположение в настоящем, будущем времени Утв : It may rain. Отр : It may not rain. Вопр : не употребляется в этом значении.