非常不错的情态动词课件,很到位,符合任何高中学生使用
3. must and can’t1. ---- Must I hand in my exercises now?(duty/obligation)
---- Yes, you must. (No, you needn’t.) 2.You mustn’t play in the street. (forbidding) 3.I can’t believe it. (possibility) 4.This must be the book you want. (positive prediction) 5. He can't be at home.(negative prediction) (偏要 非要) 偏要， 6. If you must know my name,my name is Tom.偏要，非要