江苏省新沂市第二中学八年级英语下册 Unit 2 Travelling Grammar 2教案 （新版）牛津版.doc

travelling教学目标1. 学会正确使用have/has been和have/has gone.2. 学会正确区分短暂性动词和延续性动词。3.学会短暂性动词在与for和since连用时的变化形式.重点1.学会正确使用have/has been和have/has gone.2.学会正确区分短暂性动词和延续性动词难点学会短暂性动词在与for和since连用时的变化形式教法及教具教学过程教 学 内 容个案调整教师主导活动学生主体活动step1.presention.1.teacher ask some questions：we began the class 20 minutes ago.so how long have we had the class? help ss answer.ss:we have had the class for 20 minutes./we have had the class since 20 minutes ago.teacher say:i began to live in xinyi 9 years ago.so how long have i live here?help ss answer :you live here for 9years./you have lived here since 9years ago.teacher write down: for 20 minutes since20 minutes for 9years since 9years ago2. t:whats the difference between the time expressions after for and since?step2.presention.since 和 for 的用法表示过去已经开始持续到现在的动作或状态常用的时间状语有：for, since, how long, so far, these days等。since+过去点的时间，for+一段时间(数词+量词)，此划线部分用how long提问。一、since短语或从句表示过去的动作延续至今，since之后的时间为一点。 如：mr. smith has worked here since 1984. 1984年以来，史密斯先生一直在这工作。hes learned about 5,000 english words since he went to college. 他上大学以来大约学了五千个英语单词。 二、for短语表示动作延续多长时间，for的宾语为时间段。 如：we have known each other for twenty years. 我们认识有二十年了。i havent seen her for a long time. 我好久没有见到她了。step3.practice.练习：用since和for填空1) _ two years 2) _ two years ago 3) _ last month4) _ 1999 5) _ yesterday 6) _ 4 oclock7) _ 4 hours 8) _ an hour ago 9) _ we were children10) _ lunch time 11) _ she left here2.短暂性转换延续性begin/start have/has been oncome/go /arrive have/has been in/atfinish/stophave/has been overleave have/has been away borrow have/has keptjoinhave/has been in/have/has been a member of marry have/has been marrieddie have/has been deadlisten and answerread ,listen and learn check the answers togetheranswer the questions.do some exercises.板书