Unit 4 Then and nowPart B教学内容Let’s learn, Listen, match and say, Let’s try, Let’s talk, Read andwrite, Let’s check, Let’s wrap it up, Story time (C部分)教学目标【知识目标】1.四会词汇：cycling，go cycling，ice-skate, badminton2.三会词汇：different, active, race, nothing, thought, felt, cheetah,trip, woke, dream3.重点句子：（1）Before, I was quiet. Now, I’m very active in class.(2)I was short, so I couldn’t ride my bike well. Now, I go cyclingevery day.【能力目标】1.能够听、说、读、写几个四会词汇，能够听、说、认读三会词汇。2.能够掌握描述某人今昔对比的句型,能够自由表达自己的变化。【情感目标】通过谈论和比较自己过去和现在的一些变化，让学生留意自己的变化，关注自我，追求进步，更加自信和积极地生活。教学重点1.掌握四会词汇和重点句子。2.能够运用现在时和过去时对比描述自己个性、喜好、能力等方面的变化。教学难点1.现在时和过去时的区分和灵活运用。2.比较和描述自己或他人以前和现在的变化。教学准备课本、课件、磁带、录音机（或其他音频播放设备）等课时安排4课时第一课时教学过程批注一、Warm-up & Revision1.Go over the words: dining hall, grass, gym, ago（教师出示这四个单词的图片，快速点学生说出对应的英文）2.谈论学校的今昔对比。T:Tell us about your old school, please.S1:There were no computers in my old school. T:How do you know that? S1:Our head teacher told us.1.教师播放教材配套英文歌曲“Changes in me”，学生在教师的引导下跟唱，作为课前热身。T: Today, we’re going to start to learn Unit 4 Part B. Let’s beginwith the song “Changes in me”
. 二、Presentation & PracticeLet’s learn 用图片学习短第 1 页


erhu, ice-skate, play the piano,play badminton。然后“开火车”介绍相关的动作词组造句。2.听录音，把人物与做的活动图片连起来。3.根据连线同桌对话：Before, Allen couldn’t... Now...语，形象、易懂。再次重复重点句型，帮学生加深印象。作业设计1.抄写Let’s learn中的词汇。2.自主预习Let’s talk课文。板书设计Unit 4 Then and nowcycling, go cycling, ice-skate,badminton, play badmintonI didn’t like winter before. I thought it was too cold, and Icouldn’t go cycling. think—thought can—couldHow about now? Now I love toice-skate, so I like winter.第二课时教学过程批注第 2 页
1.教学单词及词组cycling, go cycling, ice-skate, play badminton。（1）出示骑车的图片。T:What sport is it? 板书cycling并教读。（2）教师边做骑车的动作边说：Go cycling, I can go cycling.。（3）出示羽毛球拍图片。T: Do you like badminton? S1: Yes,I do./No,I don’t. T: Can you play badminton? S2:Yes,I can./No,I can’t.板书并教读badminton，play badminton. I can play badminton.（4）出示滑冰的图片，板书并教读ice-skate。教师边做动作边说：Ice-skate, ice-skate, I can ice-skate.2.呈现句子：I didn’t like winter before. I thought it was too cold,and I couldn’t go cycling.告诉学生think—thought, can—could。3.呈现句子：How about now? Now I love to ice-skate, so I likewinter. 请学生说出意思，全班齐读。4.播放Let’s learn录音，学生跟读。5.学生开火车读单词、词组。6.学生灵活运用所学单词及句子表演对话。Listen,match and say 1.组织学生观察图片，写出相关的动作词组。如：go swimming, gocycling, cook dinner, play the


以利用课件展
示语文课本上的一些文化
名人的
新老照片，开拓
学生的视野。第 3 页
朗读对话。8.根据P36页
底内容提示，结合所学单词及句子谈论家人或朋友的变化。 可
一、Warm-up & Revision1. Go over the phrases: go cycling, ice-skate, play badminton.教师做动作，学生一起说出短语并造句。如：Go cycling, I could gocycling.Ice-skate, I could ice-skate. Play badminton, I could playbadminton.2.齐读Let’s learn对话并请学生翻译。 复习上节课所学内容。二、Presentation & PracticeLet’s try1.让学生读题。2.教师给学生播放录音，学生完成两道选择题。3.师生核对答案，教师点拨难点。Let’s talk1.教学different。出示自己小时候的照片。T:Who is she? Guess. It is me. At that time, I had short hair andI was heavy. Look I am different now. And all of you aredifferent now.（板书different，说出它的意思，并教读）2.教学active并板书句子：Before, I was quiet. Now, I’m veryactive in class. 请学生说意思，然后齐读。3.板书句子：I was short, so I couldn’t ride my bike well. Now, Igo cycling every day.请学生说句子的意思，然后齐读句子，最后请学生模仿该句子说自己的变化。如：I was short, so I couldn’t playbasketball well. Now, I play it every day.4.学生自己读对话，回答问题：How did Mike change?5.学生讲解对话，教师答疑。6.放录音，学生跟读。7.学生三人一组分角色


读Let’s talk课文。2.自主预习Read and write。板书设计Unit 4 Then and nowdifferent activeBefore, I was quiet. Now, I’mvery active in class. I was short, so I couldn’t ridemy bike well. Now, I go cyclingevery day.第三课时教学过程批注一、Warm-up & Revision1.Review the words and phrases and sentences in Unit 4.(多操练)教师准备动词（短语）小
卡片，如：play badminton, eat food, drink water, run, go cycling, ice-skate等。1.Play a game.全班一起
玩击鼓传花的游戏，教师准备一个气球或小球，教师喊开始，学生
之间传递此物，教师喊停，物品所在者和上一位合作表演，一位做动作，
另一位出示动作对应的卡片。 二、Presentation & PracticeRead and write1.出示单词
先自己读，再和录音跟读，
卡片或图画，教学单词：race, nothing, thought, felt,cheetah, trip, woke, dream并板书,教读,学生跟读。2.学生
找找自己读
得不标准的地方。 作业设计1.熟
独立阅读课文，边读边理解。画出不理解的句子。3.教师帮
助学生理解句子并板书：（1）There were many animals inthat race. （2）But suddenly he tripped and fell.4.领
读课文并纠正读音。抽学生理解课文,并答疑。5.Listen to the passage.6.Number the pictures. 7. Finish exercises:（1）
吴一凡正在向妈妈描述他做的梦。再次听课文录音，学生完成P39对话
填空题。（2）学生根据本课所学，写几句话描述一个
有趣的梦,完成P39的写作任务
。请2—3位学生起来读读他们所写的句子，描述做过的有意思的梦
。学生
读课文。2.自主预习Let’s wrap it up。板书设计There were many animals inthat race.But suddenly he tripped andfell.第四课时第 4 页
作业设计1.熟


每组分发相同的动词短语小纸片，如：play badminton， eat food，drink water，run，go cycling，ice-skate等。一个学生在
台上做动作，小组
合作排序，比一比哪个小组排得又快又准。2.同桌二人运用所给的动词短语，运用过去时和现在时的对比描述来写出变化。如: I couldn’t run very fast before. Now, I run like acheetah. I was so short. I couldn’t go cycling. But I go cyclingevery day now. 操练
前面所学内容，为
新课预热。二、Presentation & PracticeLet’s check1.学生观察图片，说出图片对应的单词或短语。2.教师播放录音，在学生听录音为图片标
号后讲评订正。3.教师再次播放录音，学生
划掉没有听到的词汇。请一名学生念答案，教师讲
评订正。Let’s wrap it up1.Leading-inT:Changes are all around us.Talk about the changes below.2.组织学生观察和比较
五幅图片，了解变化。3.同桌二人相
互介绍这五幅图的变化，强化训练过去时和现在时的对比区分。如：T:It was raining. Now, it is sunny. (区分was, is)4.请学生起来仿照
趣味故事从A、B部分关注
例句描述图片。Story time1.引
周边环境
入本部分的学习。T: Look,Zoom and Zip are talking about changes.Let’s read.2.教师呈现Story time挂
、关注自我升华到
一个更宏大的
层次——拯救世界
图，学生观察主图，阅读故事，了解故事大概,画
，让这个世界
出不理解的句子。3.听录音，仿读并
变成更美好的人
理解故事。4.再次播放录音，让学生边听边
间。第 5 页
看课文。听完后和同桌两人互相帮助整理出
故事的大意。5.鼓励
学生给大家讲讲这个故事，可分三段让不同学生完成。 本部分的
教学过程批注一、Warm-up & Revision1.教师给


背诵本单元重点词汇和句
字。板书设计Unit 4 Then and nowIt was raining. Now…In summer, the tree was green.Now…There was a building before.Now…It was an egg. Now…Chen Jie was short. Now she is1.5 metres tall.The cat was on the chair. Now…本部分以个人的变化
展开，以听、说、读、写的形式，学习并巩固表示活动的动作词语go cycling，ice-skate，play badminton，
要求能够运用句型“Before，...couldn’t...Now，...can ...”来对比描述能力、
爱好的变化。教师在教学过程中，可以将以前学过的动词短语
也拿出来温故复习。Story time部分出现三种时态，学生要注意观察和比较。教师在教学过程中要注意
培养学生爱护家园的美好情感。第 6 页
作业设 计抄写并