高中英语外研版 (2019)必修 第二册Unit 2 Let's celebrate!教学设计

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Unit 2 Let's Celebrate! Subjunctive in if-clause 虚拟语气 教案 高一上学期英语外研版（2019）必修第二册 一、              教学内容：虚拟语气—if引导的虚拟条件句二、              课型：语法新授课三、              教学目标：学生了解虚拟语气的概念，掌握if引导的虚拟条件句的基本用法。学生会分析虚拟语气的虚拟时间，能够辨别辨别和熟练运用不同虚拟时间的虚拟语气主从句谓语动词的时态。学生认识该语法的重要性，体会英语语言的魅力。四、              教学重难点：教学重点：if引导的虚拟条件句对过去、现在和将来虚拟的基本用法。教学难点：辨别虚拟语气的虚拟时间，能够熟练正确运用主从句谓语动词。五、              教学步骤和说明：活动名称内容步骤和方式目的Step 1 引入 Step 2 介绍虚拟语气的基本含义  Step 3 If 引导的虚拟条件句基础用法                 Step 4 根据实例总结不同时间的虚拟语气主从句谓语动词结构。         Step 5 Homework 让学生欣赏Beyonce的If I were a boy. 表示动作或状态不是客观存在的事实，而是说话人的主观愿望、假设或推测或建议等。1.If 虚拟现在: If I were a man, I would be a better husband.  If I were a husband, I would train my kid to love homework.If I were a husband, I would want to share more housework.What would you do if you were a boy/girl? 2. If 虚拟将来:A1: What would you do if you should become the manager tomorrow?B1:                                                      A2: What would you do if you were to become the manager tomorrow?B2:                                                      A3: What would you do if you became the manager tomorrow?B3:                                                      3. If 虚拟过去: 1）If he had not overslept, he could have caught the bus. 2）If he had not studied hard, he wouldn’t have passed the exam.   If 从句（时态）主句（时态）与现在事实相反did/ werewould/ should/ could/ might do与将来事实相反 did /should do/were to dowould/ should/ could/ might do与过去事实相反had donewould/ should/ could/ might have done Finish the exercises. 增强趣味性，吸引学生注意力，引出本节课内容。引导学生掌握虚拟语气的概念。        本部分先展示例句，然后启发学生通过例句总结得出结论，有利于学生养成归纳总结的习惯，提高自学能力。       把前面讲的分块知识集中回忆下，有利于学生寻找其相同点和不同点，加强记忆。         作业与本节课内容紧密相关，有利于学生巩固提高本节课所学知识。配套练习1. If he ______(be)here tomorrow, I ____________ (speak) to him.  2. If you ________ (drop) the glass, it ____________ (break). 3. If she______(have) time, she_____________(can help) me.  4. If I________(do) the work, I ________(do) it in a different way.  5. If the headmaster _________(come), what would we say to him？ 6. If it ______(be) necessary, I_________(go) without delay. 7. If you________(take) my advice, you __________________(not fail)  in the exam. 8. If it _______(be) Sunday tomorrow, I ____________(go) and see my friends.  9. If it  _____________(not rain) this morning, I _________________(go) shopping. 10. I ___________(go) if they _______(treat) me like a slave.  
参考答案:were, would speakdropped, would breakhad, could helpwere to do, should dowere to comewere, might gohad taken, wouldn’t have failedwere, would gohad not rained, should have gonewould go, treated