非常不错的情态动词课件,很到位,符合任何高中学生使用
5. shall and should1.You shall have the book as soon as I finish it.promise 1. Shall we go out for a walk? ask for agreement 2. You should do it right now. advice 3. He shall be punished. threat威胁等 威胁等 4. We should look after the old. duty 5. Shall my son第三人称 do some shopping for you?ask for agreement