Unit10 I've had this bike for three years现在完成时的用法教案

1、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Unit 10 I have had this bike for three years.难点名称现在完成时表示持续性动作用法难点分析从知识角度分 析为什么难.区分第八单元学过的现在完成时用法.短暂性动词和延续性动词的转换. For和since用法区别从学生角度分 析为什么难学生难以区分短暂性动词和延续性动词学生对时间段和时间点容易混淆难点教学方 法通过图示法直观的呈现时间段和时间点通过讲解和图示区分短暂性动词和延续性动词教学环节教学过程导入Teacher asks students:Have you ever been

2、 to .?Have you ever been to a yard sale?Teacher shows a video about yard sale and invites students to yard sale hold by herself.知识讲解 （难点突 破）Teacher shows something on sale and a time line to ask: How long have I had it?I bought the bike in 2014, now i still have it. So i have had it for 6 years.Stud

3、ents look and understand a long time and learn to use for.Teacher shows another picture and teach students how to use since.I have had this soccer ball for 2 years. We can also say i have had this soccer ball since 2018/2 years ago.In the third picture, teacher leads students to review first, then t

4、eaches them I have had this toy bear since I was little.Teacher gives the explanation of for and since.课堂练习（难点巩 固）用since或for填空Amy has had her favorite bike three years.Lucy s mother has been away she was ten.We have been here last year.Mark, s brother has been in the army half a year ago.小结现在完成时表示持续性动作连用的时间状语有以下几种：for +一毂时间e. g: for 8 yearssince + 过去的时间点 e. g: since 1999 last springsince + 一段时可 + ago e. g: sinc