中小学教育资源及组卷应用平台 教案名称:现在完成时(The Present Perfect Tense) 教材版本:2024新版沪教牛津八年级上册 Unit 5 Going on a exchange trip 课时安排:1课时(45分钟) 一、教学目标 知识目标 理解现在完成时的基本概念和两种用法。 掌握现在完成时的基本结构:have/has + 过去分词。 熟悉动词过去分词的变化规则(规则与不规则)。 掌握现在完成时的常用时间状语:for, since, already, yet, ever, never, just, before 等。 能力目标 能够正确使用现在完成时描述过去发生但对现在有影响的动作。 能够区分并正确使用延续性动词与非延续性动词。 能够运用现在完成时完成句子和对话。 情感目标 培养学生对英语语法学习的兴趣和信心。 通过情景对话和练习,增强学生实际运用英语的能力。 二、教学重点与难点 教学重点 现在完成时的结构与用法 常用时间标志词的使用 延续性动词与非延续性动词的区分与转换 教学难点 非延续性动词在现在完成时中与时间状语的搭配 since 与 for 的区别与使用 has been to 与 has gone to 的辨析 三、教学准备 多媒体课件(PPT) 黑板/白板 练习题纸(含选择题、句子转换、情景对话) 四、教学过程 Step 1: 导入(5分钟) 展示小猪佩奇的小视频,引出句子: Peppa has found a little puddle. George has found a big puddle. 提问:这两个动作是发生在过去还是现在?对现在有什么影响? Step 2: 讲解现在完成时的定义(5分钟) 现在完成时的两种用法: 过去发生或已完成的动作,对现在有影响。 过去开始,持续到现在的动作或状态。 举例说明: Have you just had a bath We haven’t had a bath yet. Step 3: 讲解结构与动词变化(10分钟) 结构:have/has + 过去分词 规则动词过去分词构成: 一般加 -ed:pull → pulled 以 e 结尾加 -d:taste → tasted 重读闭音节双写:stop → stopped 以 y 结尾的变化:play → played, study → studied 不规则动词需单独记忆(如 go → gone, see → seen) Step 4: 常用标志词与句型(8分钟) for + 时间段:for four hours since + 时间点:since 1996, since two days ago since 引导从句:since I was born 句型:It is the first time that… + 现在完成时 Step 5: 延续性动词与非延续性动词(7分钟) 非延续性动词:come, go, buy, die, join, begin 等(不能与 for/since 连用) 延续性动词:work, read, write, study 等(可与 for/since 连用) 转换练习: His grandpa has been dead for ten years.(不能用 has died) Step 6: 练习与巩固(7分钟) 完成“Quick Quiz”部分,包括: already / yet / ever / never / just / before for / since has gone to / has been to joined / has been Step 7: 真题链接与讲解(3分钟) 讲解4道中考真题,强调考点和易错点。 五、板书设计 The Present Perfect Tense (现在完成时) 板书设计 (一)、定义 (Definition) 1.过去动作,现在影响 例: Peppa has found a puddle. (She can play in it now.) 2.过去开始,持续至今 例: We have lived here since 2010. (二)、结构 (Structure) have / has + 过去分词 (p.p.) 规则动词 p.p. 构成: 1.一般 + ed: look - looked 2.e 结尾 + d: live - lived 3.辅音+y → ied: study - studied 4.重读闭音节双写 + ed: stop - stopped 不规则动词:需特殊记忆 (go - gone, see - seen, eat - eaten) (三)、常用标志词 (Key Words) for + 时间段 (for two days) since + 时间点 (since Monday) already, just, ever, never, yet, before since 句型: We have lived here since I was a child. It is 10 years since he left. (四)、动词分类 ... ...
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