Подчеркните в каждом из них модальный глагол или его эквивалент. переведите предложения на язык. 1. very soon they will be able to make experiments in the new lab. 2. the classes may be organized by the local education authority. 3. since the stone age, man has found many materials he could work with. 4. you should stop smoking. 5. every research ought to be interested in the results of his work. 6. we have to finish the article translation by 2.