Замените модальные глаголы ** эквиваленты: 1) He could swim when he was 2) May I go out...

Question

Замените модальные глаголы на эквиваленты:
1) He could swim when he was
2) May I go out
3) We must attend our classes
4) My sister can draw well

Answer 1

1 he was able to swim...
2 am I allowed to go out...?
3 we have to attend our classes.
4 My sister is able to draw well.