Подчеркните в каждом из них модальный глагол и его эквивалент. переведите предложения на язык. 1. не can't walk much. 2. her heart is weak; she must take treatment at hospital. 3. i see no reasons why you should master this language within a year. 4. he may know about everything but doesn't want to tell us. 5. he doesn't have to get up at 6 o'clock.
