Unit 1单元语法解析与训练课件2024-2025学年人教版八年级英语下册

Unit 1 What's the matter? 语法解析及练习 情态动词should Should为情态动词，意为“应该；应当”，其后 接动词原形，无人称和数的变化。常用来表示征询 意见、建议、劝告、要求或义务等。 基本结构与含义： 1.结构： 肯定形式： 主语+should+动词原形 例如：You should drink more water. 你应该多喝水 否定形式：should not(shouldn't)+动词原形 例如：They shouldn't eat too much 你不应该吃太多 疑问形式：将should提前至句首 例如：Should we call the teacher'? 我们需要打电话给老师吗？ 般疑问句肯定回答 Yes,主语+should例如：Yes,you should 否定回答 No,主语+shouldn't.例如：No,you shouldn't, 特殊疑问句：特殊疑问词+should+主语+动词原形 +其他？ 例如：Vhere should we meet? 我们应该在哪儿会面？ 2.含义： should表示应该，强调义务、建议或合理推断 语气比must更委婉 should具体用法分析 1.表示义务或责任 用于表达基于常理或规则的责任，常用于对现在 或未来的建议。 例如：Students should follow school rules. 学生应该遵守校规。 He shouldn't eat junk food. 他不应该吃垃圾食品。 2.提出建议或劝告 常用于对他人的行为提出意见，语气较为礼貌。 例如：Vhy not try again'?You shouldn't give up. 为什么不再试一次？你不应该放弃。 3.表示推测或可能性 指根据逻辑或经验推断某事可能发生，意为应该 会。 例如：She should arrive in ten minutes 她应该十分钟后到。 The keys should be on the table. 钥匙应该在桌上。 4.用于疑问句表达询问或意外 询问意愿（第一人称疑问句） 例如：Should open the window? 我需要开窗吗？ 表达意外或质疑（常与how/why连用 例如：Vhy should I help him? 我为什么要帮他？ 易混淆点与注意事项： 1.与mut的区别： should强调建议或义务，不具强制性 must表示强制要求或必然性 例如：You must wear a uniform. 你必须穿校服 2.时态与语态： should无时态变化，可用于各种时态中 3.固定搭配： had better与should均可表建议，但前者更强 调“最好”，例如：You'd better stay at home. 你最好待在家里 甲坝选痒题 1.You should more water when you have a fever. A.Drinks B.Drinking C.Drinked D.drink 2.I can't sleep,so listen to quiet music,and 1 listen to exciting music. A.should;should B.shouldn't;shouldn't C.should;shouldn't D.can;don't 3.We_carry forward the spirit of serving the people whole-heartedly. Might B.should C.Could D.can't 答案：1.D2.C3.B 4.What 1 do when they don't agree with me? You talk with them,let them know your thoughts. A .should;can B.should;shouldn't C.can;can't D.shouldn't;can 5.All of us listen to the teachers carefully in class. A.Should B.shouldn't t C.can D.can't 6.The school rule is that we talk with anyone loudly in the library. A.wouldn't B.wouldC.shouldD.shouldn't 7.I think you should the dog to an animal hospital because it is ill. A.Take B.Taking C.takes D.Took 8.Dogs run through soccer games at the park It's dangerous! A.Should B.shouldn't C.need D.needn't 9.To keep children safe,we put the things like knives and medicine away in our house. -15 A.May B.should C.can D.might 10.You should more fruit. A.eats B.eat C.eating D.to eat 11.If you have a headache,I think you _s see a doctor. A.will B.shall C.should D.can 答案：8.B9.B10B11.C 12.Parents put the things like knives and medicine away in the house to keep children safe A.May B.Might C.can D.should 13.-I don't care what people think. Well,you Some opinions are worth weighing A.might B.should C.could D.would 14.Lily is intelligent and hard-working.She do well in the singing competition. -Sure.She was born to be a singer. A.should B.might C.can't D.shouldn't 15.What's your trouble,Julia? I have got a bad cold.What should I do? A.Can B.will C.should D.may 答案：12.D13.B14.A15.C 二、选词填空 用should或shouldn't填空 1 I think you _go to the hospital at once. 2 As a new driver,you _drive your car so fast. It's very dangerous. 3 When you have a sore throat,you __drink more hot tea with honey. 4.Alice,my head feels hot now. You _go to see a doctor. 5.You _be angry with your mother.She is so kind to you. 答案：1 should2.shouldn't3.should4.should 5.shouldn't