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.
2) can't
3) could/ did / had
4) must