Unit 8 Have you read Treasure Island yet？辨析现在完成时和一般过去时的区别（表格式教案）

教师姓名 单位名称 填写时间
学科 英语 年级/册 八年级下册 教材版本 人教版
课题名称 Unit8 Have you read Treasure Island yet 辨析现在完成时和一般过去时的区别
难点名称 正确区分现在完成时和一般过去时
难点分析 从知识角度分析为什么难 现在完成时表示做过某事，这一活动一般发生在过去有可能反复发生，一般过去时表示做了某事，这一活动在过去某个时间发生了。时间上有重合，容易混淆。
从学生角度分析为什么难 两种时态，因活动发生时间有重合，均可发生在过去，八年级的学生理解能力存在局限性，难于区分这两种时态。
难点教学方法 通过举例对比，直观展示两种时态的区别； 设置学生熟悉的生活场景便于学生理解两种时态的不同用法。
教学环节 教学过程
导入 First,let’s review the definitions of the two tenses:the present perfect and the past simple. Let’s feel the difference between the two tenses again through the timeline.
知识讲解 （难点突破） 3.Today is August 27,2020.Using the plague(疫情）as background,let’s get the differences of the two tenses. Teacher:Have you already taken your temperature yet Student:Yes,I have./No,I haven’t. Teacher:Did you take your temperature yesterday Student:Yes,I did./No,I didn’t. Teacher:Have you ever done nucleic acid testing(核酸检测）yet Student:Yes,I have./No,I haven’t. Teacher:Did you do nucleic acid testing(核酸检测）last week Student:Yes,I did./No,I didn’t. Teacher：Have you ever seen a doctor or nurse in protective clothing(防护服）yet？ S:Yes,I have.I saw many doctors and nurses like this in 2020. T:In our country,we saw many doctors and nurses leave their home,just for helping more people in need.As a member of Xinjiang,from July16,2020,not only we saw more and more doctors and nurses like these,but also volunteers. T:Have you ever seen many people around your neighborhood since July 17th,2020 S:No,I haven’t.Most people stayed at home . T:Yes,We stayed at home to stop the spread of the plague(避免疫情的扩散）. T:Have you ever seen volunteers around your neighborhood S:Yes,I have.They were in protective clothing(穿防护服）in summer. T:Although the weather was hot,they wore protective clothing ,and they helped us so much.
课堂练习 （难点巩固） 3.Please remember: In 2020,we (take) our temperature before we go to school.We (do) several times nucleic acid testing(核酸检测）.We (stay)at home for 2 months.When we (are) in public,we (wear) a mask(口罩）.We should do these things. We know Chinese are the happiest people in the world.Because I (see) many doctors and nurses leave their home,just wanted to help more people in need since January 25,2020. I (see) many volunteers help us since July 16,2020 .China (do)a lot for its people, including free treatment for COVID-19(治疗新冠肺炎), free drugs for epidemic prevention(药品防疫), free masks and free nucleic acid testing(核酸检测). Thank the motherland(祖国), I will study hard, help the motherland to achieve the Chinese dream as soon as possible(早日实现中国梦）.
小结 现在完成时和一般过去时的用法及区别，渗透感恩祖国的思想。