1、第 12单元 第三课时 教案上课时间： 年 月 日课 题 Unit 12 Life is full of unexpected. A (3) 课时安排 共（5）课时课程标准 P15.（1）能听懂学习活动中连续的指令和问题，并做出适当的反应。 （2）能参照范例写出或回复简单的问候和邀请。 学习目标1) 学习掌握下列词汇：cream, workday, pie, show up, bean, market, by the end of2）进行一步复习巩固学习 Section A 部分所学的生词和词组。3）巩固过去完成时的用法教学重点1) 复习巩固 Section A 部分所学的生词和词组，达到熟练
2、运用的目标。 来源:学优高考网 gkstk2) 总结过去完成时的不同句型。3）总结过去完成时的用法。教学难点 过去完成时的用法教学方法 小组合作，情景创设 教学准备 彩色粉笔，ppt来源:学优高考网课前作业 回顾第一节课所学的内容。教学过程教学环节 课堂合作交流二次备课（修改人： ）. Revision1. Have a dictation of the new words learned in the last class. 2. Review some main phrases we learned in the last class. Check the homework. 环来源:gk
3、stk.Com来源:学优高考网节 一课中作业把下列短语翻译成英语 来源:gkstk.Com1. 即将 2. 倒杯咖啡3. 排队等候 4. 起床5. 出去 6. 迟到7. 到时候 8. 闹铃响9. 开始做某事 10. 搭便车环节二II. Grammar Focus1. 过去完成时讲解。2. 学生阅读 Grammar Focus 中的句子，然后做填空练习。1）当我到达学校的时候， 我才意识到我把书包忘在家里了。When I got to school, I realized I _ _ my backpack at home. 2）到我返回学校的时候， 铃声已经响过了。_ _ _ I got ba
4、ck to school, the bell _ _.3）我到达公共汽车站之前， 汽车已经离开了。Before I _ _ the bus stop, the bus _ _ _.4）我决定先买一杯咖啡，然后再准备去办公室，I _ _ _ go up to my office when I decided to get a coffee first.5）就在我和别的工作人员一起排队等候的时候，听到了一个巨大的声响。As I _ _ _ _ with the other office workers, I _ _ _ _. Keys: 1. had left 2. By the time , h
5、ad rung 3. got to, had left 4. was about to 5. was waiting in line , heard a loud sound 3. 学生们根据记忆，看大屏幕来完成填空练习。4. 学生们完成填空试题后，可以打开课本检查答案，对错误的句子，单独进行强化记忆。IV. Try to Find 1. 由 when, by the time, before 等引导时间状语从句时，若描述发生在过去的事，主句常用过去完成时(had + 过去分词)表示动作发生在过去的过去。2. be about to do, be doing 等表示即将或正在做某事时，常用wh
6、en 引导从句表示突然发生的动作，when 可省略。3. 现在完成时与过去完成时的区别：现在完成时表示的动作发生在说话之前某个没有明确说出的过去时间，侧重过去发生的动作对现在产生的影响或造成的结果，与现在有关；过去完成时的动作发生在“过去的过去” ，它是一个相对的时态，不能离开过去的时间而独立存在。e.g. We have learned 1,000 English words so far.We had learned 1,000 English words by then.课中作业1. By the time I got back to school, the bell _. (2015黑
7、龙江龙东) A. rang B. has rung C. had rung 2. Look at the blue sky! The rain _.Lets go out for a walk. (2015 江苏泰州)A. stops B. will stop C. has stopped D. had stopped 环节三1. Work on 4a. Ask Ss to make sentences using by the time or before on their own.1) Ask five students to the blackboard to write their s
8、entences.1. Tim went into the bathroom. Mary got up.By the time Mary got up, Tim had already gone into the bathroom.2. The coffee became cold. I put cream (n. 奶油) in the coffee._3. The teacher collected the math homework. I got to school._4. I completed the work for my boss. The workday (n. 工作日) end
9、ed._5. The movie started. I arrived at the cinema._6. My mother finished making the apple pie (n. 果馅派). I got home from my language course._2) Correct their sentences together in class. 2. Work on 4b. 1) Let Ss read the words or phrases in the box and try to understand the meanings of them. 2) Fill
10、in the blanks with the correct forms of the words by themselves.1. By the time I arrived at the party, everyone else _ already _.2. When he put the noodles into a bowl, he realized he _ to add the green beans (n. 豆).3. By the time my mother came back from the market (n. 市场), I _ already _ of the doo
11、r to go for my piano lesson.4. Before she got to the airport, she _ _ about the earthquake. 5. When she _ the movie theater, she _ remembered she had forgotten to feed her dog.6. Before she got a chance to say goodbye, he _ the building.3) Correct their answers together. Work on 4c. 1) Let Ss think
12、about his/her day yesterday. 2) Let them write two true statements and one false statement about their day yesterday.3) Ask their classmates to guess the false statement. e.g. 1. By the time I left for school in the morning, _.2. By the end of the school day, _3. By dinner time, _ 课中作业：用括号里所给词的适当形式填
13、空。1. When Tim get back home, he started to realize that the thief _ (come) to his house.2. By the time I received the letter, I _ (tell) the content of it.3. When I was born, I _ (cry) heavily the first time in my life.1. had come 2. had been told 3. cried 翻译下列句子：1.当他到达学校的时候，老师已经开始上课了。2.当我出来的时候，我爸爸已
14、经离开家了。3.在我拿书包以前我把门锁上了。4.在她做完作业之前我妈妈已经回来了。（修改人： ）课后作业设计： 1. 复习 Grammar Focus 中的内容。Try to make sentences with before, by the time and be doing when, and make use of the past perfect tense.2. 写作： 描述一次难忘的经历。板书设计：Unit 12 Life is full of unexpected. Section A (3)turn around 转身 turn up 调高（音量）turn down 调低；拒绝turn into 变成；进入 turn on 打开，发动 turn off 关掉，关闭turn out to be 结果是turn over 移交教学反思：
