小学英语外研新标准（三起）四年级下册Module5《Theywereyoung》.docx

外研社英语四年级下册They were young.教案华差市红军小学龙伟一、教学目标:1 .能熟练朗读过去式的否定形式asn' t weren* t2 .掌握动词be的过去式的否定用法I was 2.I was short.I was fat.My hair was short.Her hair was short .They weren, t old then.二、重点难点:能熟练朗读过去式的否定形式Wasn* t weren, t三、教具准备:照片 课件四、教学过程：新课导入让学生看蝴蝶视频,观察蝴蝶前后照片,引出新课教学。（二）自学互帮导学自学指导（一）教师带领学生看PPT,总结出be动词的现在式和过去式am, i swas arewere教师提问，通过对话引出否定式：T: Were you young then?S1: Yes, I was.T: Were you old then?S1: No, I wasn* t.进一步练习weren' t的用法，教师提示，反复变换主语人称，让学生在变 换中掌握过去式的用法。Was he fat then?Were we happy yesterday?自学指导（二）教师指导学生，检查自读课文情况，让学生划出带有动词be否定式的句子。They weren, t old then.She wasn* t tai I then.He wasn* t naughty then.It wasn, t fat then.教师提示学生对照教材图片，理解课文，教师讲解课文，画出四个要求背 诵的句子。They weren, t old then.She wasn1 t tai I then.He wasn* t naughty then.It wasn, t fat then.让学生在教材上标注出这些句子，并加以背诵。教师点读教材，学生跟读课文。自学指导（三）教师利用教学PPT,让学生进行练习。1、连一连现在“是"Wasami swereare过去“是”2、比一比tai I /longyoung/newoldshortbigthinfatsma I I3、否定式：sn t = is notaren, t= are not那么，wasn, t= weren, t =（三）巩固练习结合PPT上的四幅画，两人一组进行对话练习，老师相机指点，后抽学生 上台表演。（四）总结同学们本节课你们学到了什么？怎样描述过去的事物。She was /wasn* t-They were/ weren* t-（五）Homework：回家找出一张过去的全家福，用wasn* t/ weren5 t描述一下家人过去的 样子.再用am/is/are描述一下家人现在的样子。板书设计：They were young.They weren, t old then.It wasn* t fat then.It was thin then.