课堂讲练互动Festivals around the worldUnit 1课堂讲练互动第二课时Learning about LanguageUnit 1情态动词()课堂讲练互动课堂要点探究2课堂达标验收3课后强化作业4课前新知预习1课堂讲练互动课前新知预习课堂讲练互动 根据句意观察思考下列各句中情态动词的意义。 Most ancient festivals would celebrate the end of cold weather, planting in spring and harvest in autumn. ( 指“_ ”) At that time people would starve if food was difficult to find, especially during the cold winter months. ( 指“_ ”)课堂讲练互动 Some festivals are held to honour the dead or to satisfy the ancestors, who might return either to help or