Question

Вставьте модальный глагол:
1) ... I phone you in the evening?
2) He ... play chess very well.
3) You ... learn these words.
4) You ... be more careful.

Answer 1

1)  May I phone you in the evening?
2) He can play chess very well.
3) You have to (=must) learn these words.
4) You should be more careful.