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人教版八 年级 英语 科目课堂教学设计
课题 Unit 8 Section B (Project 4a-4d) 时间 教师 二次备课
教学目标： 1.掌摆 If+ 一般现在时，主语+will+ 助词原形”的条件句结构，能独立创作假设性单句， 并围烧 前句结果→后句假设”逻嫌接续故事，清晰朗读表达， 2.主幼参与小组写句、抽句、续故事”任务，积极责献情节想法；认真倾听同伴发言，及 时回应接续需求，体验团队共创乐莲，提升协作意识。 3.通过故事创作与反思，梳理 if 条件句的 假设一结果”逻姆关联，明确 语法正确+情 节迷贯”的迷锁叙事要求，培养即兴思维与语法应用能力。
教学重点难点： 重点： 掌握 if 条件句 (If+ 一般现在时，主句will+ 动调原形)的结构与用法： 难点：运用 If 条件 重点句完成 单句创作一故事接续一小组展示”的项目任务。
教 学 过 程 设 计 Objectives Discuss future urban life in the simple future tense (will). Collaborate on creative drawings and present predictions. Rethinking the relationship between technology and the future. 4a Tell a chain story Work in groups.Each student writes one sentence beginning with“If...”on their own piece of paper.For example: If it doesn't rain tomorrow,we'll go for a picnic. Work in groups.Each student writes one sentence beginning with “If...”on their own piece of paper.For example: If our class decides to hold a charity sale,we'll collect old toys and books this week. 4b Put all the pieces of paper into a box or jar.The first person picks one and reads it aloud.Others then add“if”sentences to continue the story.For example: If we go for a picnic, everyone will be excited. If everyone is excited, we'll play some fun games. 4c Take turns to add sentences until the story ends naturally. Each story should include at least five sentences. Work in groups.Each student writes one sentence beginning with “If...”on their own piece of paper.For example: f I wake up early tomorrow,I'l have time to make a delicious breakfast. Take turns to add sentences until the story ends naturally.Each story should include at least five sentences. If it doesn't rain tomorrow,we'll go for a picnic. →If we go for a picnic,everyone will be excited. →If everyone is excited,we'll play some fun games. →If we play some fun games,we'll create unforgettable memories. →If we create unforgettable memories,our friendship will grow stronger. 4d When a story ends,pick another piece of paper. Take turns to tell the next story. If you take a bus to the party,you'll arrive late. →If you arrive late,the host might think you're not interested in the event. →If the host thinks you're not interested,he might not invite you to future parties. →If you don't get invited to future parties,you'll miss the chance to make new friends. →If you miss the chance to make new friends,your social circle will become smaller. →If your social circle becomes smaller,you might feel lonely during the holidays. 语言点精讲 if引导的条件状语从句 在复合句中作条件状语的句子叫作条件状语从句。用于表示假设的情况及其可能产生的结果。条件状语从句常用if来引导。if引导的条件状语从句既可放在主句之前，也可放在主句之后;从句位于主句之前时，常用逗号将其与主句隔开。 考点1：含if引导的条件状语从句的复合句中主从句的时态 在含有if引导的条件状语从句的复合句中，主句为以下情况之一的，条件状语从句用一般现在时: 主句用一般将来时 主句谓语部分含有情态动词（ may,might, can, must, 我们如果现在开始，就可以按时完成工作。 主句为祈使句 你如果想取得好成绩，就要努力学习。 考点2：含有if引导的条件状语从句的复合句与其他句型的转换 1.与“祈使句+ and/or+陈述句”进行互换。and表示顺承关系，or表示“否则”。 - lf you go to the movies, you won't finish your homework. =Don't go to the movies, or you won't finish your homework. 如果你去看电影，你就完不成作业。 2.借助without来转换 -lf there is no water, the fish will die. = The fish will die withoutwater.鱼没有水会死。 3. if. . . not结构有时可与unless引导的条件状语从句进行转换。 ﹒ lf she doesn't arrive on time, we'll have to start without her. =Unless she arrives on time, we'll have to start without her. 如果她不能准时到达，我们将不得不开始(活动/会议等)而不等她。 拓展:if作“是否”讲，引导宾语从句的用法（ if 作“是否”讲引导宾语从句时，可whether互换) 1.当主句是现在的某种时态时，if从句的时态根据实际情况而定。 -l don't know if he will come to school tomorrow. 我不知道明天他是否来学校。 ·No one tells me if he went out last night. 没人告诉我他昨天晚上是否出去了。 2.当主句是过去的某种时态时，if从句要用过去的某种时态。 -Lucy asked Tom if he was afraid of dogs. 露西问汤姆他是否害怕狗。 ·He wanted to know if you lived in the city. 他想知道你是否住在城里。
作业布置： 完成配套练习册中的相关习题。 教学反思及作业反馈： 存在问题： （2） 解决办法：

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