Вставьте необходимые модальные глаголы(must, should, would, ought to, have to, need’t, can, could, may, shall).1)I … not go to the theatre with them last night, I revised the grammar rules and words for the test.2) You…miss your classes.3) … you play the piano before?4) He …learn the new words regularly.
1) must
2) needn't
3) Can
4) ought to