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should的用法： should用来提出建议和忠告，后边加动词原形，否定句直接在should后边加not. 例如：I think you should eat less junk food. 我认为你应该少吃垃圾食品。 She drives a lot and she seldom walks. So I think she should walk a lot. 她经常开车，很少走路。所以我认为她应该多走路。 Students shouldnt spend too much time playing computer games. 学生们不应当花太多的时间玩计算机游戏。 学习向别人提建议的几种句式： (1)I think you should (2)Well, you could (3)Maybe you should (4)Why dont you? (5)What about doing sth.? (6)Youd better do sth. ★★练一练★★ 用should或shouldnt填空 1. I cant sleep the night before exams. You ______ take a warm shower before you go to bed. 2. Good friends ______ argue each other. 3. There is little milk in the glass. We _______ buy some. 4. They didnt invite you? Maybe you ______ be friendlier. 5. I am a little bit overweight. So I think I _______ do exercises every day. | 
