英语人教版八年级下册Unit 8 Grammar focus.doc

Topic： the perfect present tense一、 教学内容分析二、学情分析：本课的教学操练点,就是让孩子用现在完成时来造句子，学生对时态都有了解，再加上现在的中学生思维能力较强，但注意力容易分散。对英语普遍感兴趣，但有很大的不稳定性. 因此，本课采取独立呈现,综合操练的方式,让学生逐渐理解消化.在本课教学过程中，在注重启发引导的同时，更要注重教学方法的灵活性，激发学生学习的兴趣，让学生乐于接受，易于接受。 三、教学目标：学会动词的过去分词变化方式：1. 普通动词+ed2. 特殊变化：be -been come-come ect.详情见教材P学会运用现在完成时表达不同句式 、结构肯定句：主语 + have/ has + 过去分词+. 否定句:主语+havent ( have not) +过去分词 主语+hasnt ( has not ) +过去分词. 疑问句:Have / Has+主语+过去分词.? 能够掌握现在完成时的用法及时间副词。1) 表示到现在为止已经完成或刚刚完成的动作。2) 表示过去发生的动作,强调结果或对现在的影响。3) 表示从过去开始并持续到现在的动作或状态。 四、重、难点：重点： 掌握现在完成过用法及时间副词和动词的过去分词.难点：学会用现在完成时表达不同结构。五、课时：一课时六、【教学准备】多媒体课件【教学流程】Teachers activitiesStudents activitiesPurposesStep 1 Have a check TheCheck the Ss whether they have mastered the , Step 2 Make a speechTell a story in the past.Train Ss the ability of listening and speaking and make sure Ss know the past tense.Step 3 Warming upDraw a time line and sign the tense they have learned.The Ss can say the tense according the time line.Get Ss know tStep 4 Show study goals1、学会动词的过去分词变化方式： 1）普通动词+ed 2）特殊变化：be -been come-come ect.详情见教材P 2、学会运用现在完成时表达不同句式、结构 肯定句：主语 + have/ has + 过去分词+. 否定句:主语+havent ( have not) +过去分词 主语+hasnt ( has not ) +过去分词. 疑问句:Have / Has+主语+过去分词.? 3、能够掌握现在完成时的用法及时间副词。 Get Ss know what they will learn in this lesson.Step 5 Self-studyShow some exercise on the screen.Do them by themselves and find the adverbs of time.Know the forms of the perfect present tense.Step 6 work in groupsTalk about the different forms of sentences with perfect present tense.Train Ss to master the forms of the sentences.To train Ss listening skills by catching the key points.Step7 Show and ability improvement Ask the Ss to talk about the sentences in groups and explain the key points .Train the Ss ability of speaking and teamwork.Help the students to use the Language points fluently. Enlarge the knowledge.Step 8 Crazy memoryMemorize the key points in groups.Let Ss know the key points clearly.Step 9 Practice 4a-4bReflect the level of learningStep10 Conclusion:Make sure the key points.HomeworkA: To finish 4C on P60.B: To make some dialogues about the book with the Present Perfect tense.Bb design现 在 完 成 时结构：肯定句：