Unit 12 Life is full of the unexpected.Section A3 (Grammar focus-4c)优学案（含答案）

Unit 12 Life is full of the unexpected. Section A3 (Grammar focus-4c) 【学习目标】 1．学习掌握下列词汇：cream, workday, pie, show up, bean, market, by the end of 2. 能比较流利地讲述自己曾经有的特别的经历。 3. 巩固过去完成时的用法。 4. 能比较流利地讲述自己曾经特别的一天，养成积极看待事物的积极心态。 【重点难点】 【学习重点】 1．复习巩固Section A 部分所学的生词和词组，达到熟练运用的目标。 2．总结过去完成时的不同句型。 【学习难点】 过去完成时的用法。 【课前预习】 一. 根据句意及单词首字母提示完成单词。 1. Why did you put some red _____ (豆) into the soup? 2. Would you like milk or _____ (奶油) in your coffee? 3. Bill says he doesn’t like rooms that face _____ (朝西). 4. There are two big _____ (市场) near my home. 5. Michael, help yourself to some more _____ (果馅饼). 二. 用括号内所给单词的适当形式填空。 1．Alice _____ (leave) when I finally arrived at the big shopping mall. 2．The little girl _____ (lie) in bed for almost a month since she fell sick. 3．By the end of last year, he _____ (learn) 3,000 English words. 4．It was the third time that the girl _____ (invite) him. 三. 按要求完成句子，每空一词。 1. By the time she got up, her mother had gone to work．(对画线部分提问) _____ _____ her mother _____ by the time she got up? 2. When I got home, my mother had cooked dinner. (改为否定句) When I got home, my mother _____ _____ dinner. 3. The train had left when I got to the station. (改为一般疑问句) _____ the train _____ when you got to the station? 4. John had never seen the film before. (改为反意疑问句) John had never seen the film before, _____ _____? 5. She had already finished her homework. (改为否定句) She _____ _____ her homework yet. 【合作探究】 探究一、根据音标自学本课时的新单词，特别注意单词的词性、词义以及读音。 单词/词组 词性 词义 单词/词组 词性 词义 cream workday pie show up / bean market by the end of / 探究二 读一读课本P92Grammar Focus中的句子，试着找出例句中运用不同时态的句子，并进行分类。 探究三 观察并总结下列例句的句型特点。 When he came in, the students stood up. When the baby saw her mother, she stopped crying. He was about to watch a movie when his parents knocked at the door. They were about to get on the bus when they heard someone shout. As I was standing in front of the teachers’ office, I saw a boy fight with another boy. As he was doing housework, a bird flew into the kitchen. Have a discussion: 在以上的时间状语从句中，主句和从句的动作是先后发生还是同时发生？主从句都用过去时态的时间状语从句的引导词有什么？ 探究四 观察下列过去完成时态的例句，了解过去完成时态的结构和用法。 When I got up, I found that my brother had already taken a bath in the bathroom. When she got to the check-out, she realized she had left her purse at home. Before I arrived at the airport, the plane had already taken off. They had already had breakfast before they got to the hotel. Most of the guests had left by the time he arrived at the party. The film had already begun by the time I got to the cinema. Have a discussion: 1.过去完成时的结构： 2.过去完 ... ...