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1、Unit4 Then and now教案第1课时【内容来源】译林版（六年级）上册Unit4【主 题】Then and now【课 时】第1课时：Story time; Checkout time一、板块介绍本部分分为四个段落，用一般过去时和一般现在时分别描述了Mike, Mr Brown, Grandpa, Mrs Brown的过去和现在的不同生活方面，呈现了个人自身的成长变化和科技对生活和工作的影响。二、教学目标1、能听懂、会说、会读、会写then and now, ago, use, telephone, office, mobile phone, anywhere, radio, new
2、spaper, news, watch, e-book, make friends, all over the world, do shopping, TV.2、能听懂、会说、会读Story time中的故事，并能够熟练复述出来。3、mobile phone, sentence等词的读音及动词过去式4、在日常生活中能够熟练运用和比较一般过去时与一般现在时的用法。三、教学重难点1、句型：一般过去时与一般现在时的比较和运用 2、词汇：then and now, ago, use, telephone, office, mobile phone, anywhere, radio, newspaper
3、, news, watch, e-book, make friends, all over the world, do shopping, TV.四、教学准备教学课件、课文录音、动画、教材图片、手机、电话、收音机、电视机等电器类图片。五、教学过程Step 1: Warm-up/Lead-in1. 看图片，引入话题教师可利用课件呈现一些新旧事物的图片，如留声机、蒸汽火车、胶片电影、老式的电视机和收音机、数码相机、智能手机、平板电脑、电子阅读器等，让学生判断哪些是当代的事物，哪些是过去的事物，用now和then来归类，为新单元的话题呈现做铺垫。2. 问答活动，引入课文内容教师可向学生展示两张自己的
4、照片，的问答，为新课文的呈现做铺垫。如：T: Lookat this photo.Who is this girl?Canyouguess?S1: Is it you?T: Yes, its me! How old was I then?S2: Were you ten?T: Yes. I was a primary school student then. Now Im a teacher at a primary school.Step 2: Presentation/Practice1. 利用图片或实物，教授目标词汇教授呈现实物或图片，用对比的方法，教授目标词汇mobile photo和
5、telephone, radio和TV，newspaper和e-book。如：T: (呈现电话图片）I use this to make calls. I can use it in the office. I can use it at home too. Its a telephone.Ss: A telephone.T: Can I use a telephone on the bus or on the train?Ss: No, you cant.T: (出示手机实物）I can make a call with this on the bus, in a car or on the
6、 train. I can carry it with me and make a call anywhere. Its a mobile phone.Ss: A mobile phone.T: (出示电视机图片)Whats this?Ss: Its a TV.T: Do you like watching TV? What do you watch on TV?S1: Yes, I like watching TV. I watch cartoons on TV.S2: I watch films on TV.S3: I watch news and music programmes on
7、TV.T: (出示收音机图片）Look. We cant watch it, but we can listen to music and news on it. Its a radio.Ss: A radio.Tt: (出示报纸实物）This is paper. There is news in it. Its a newspaper.Ss: A newspaper.T: (呈现电子阅读翻片)Is this a mobile phone/computer?Ss: No, it isnt.T: Its a book without paper. It has a screen. You can
8、 carry it with you. Its an e-book.Ss: An e-book.2. 新旧照片对比，操练一般现在时和一般过去时教师可以呈现手机、电视机、电话、收音机等物品的不同时代图片，要求学生用一般现在时和一般过去时对比描述这些事物的样子。教师可先做示范。如：T: (呈现旧式手机图片）This is a mobile phone 20 years ago. It was big and heavy.It was black. It was thick. It had a small screen. You could only make calls with it. (呈现新
9、式智能手机）Now, a mobile phone is big too, but its not heavy. Its thin and it has a big screen. You can do many things with a mobile phone. You can listen to music, watch films, read news and play games.3. 师生问答，操练can和could教师在导入单元话题“过去和现在”之后，可以询问学生“现在”和“过去”会做什么，操练can和could。如：T: What can you do?S1: I can d
10、raw.S2: I can play basketball.S3I can play the piano.T: How old were you ten years ago?Ss: I was two.T: What could you do then?S1: I could walk.S2: I could run.S3: I could talk.T: Could you write ten years ago?S1: No, I couldnt.T: What couldnt you do ten years ago?S2: I couldnt swim.S3: I couldnt dr
11、aw.4. 游戏活动，操练could教师可以和学生玩“辨真假”游戏，教师或学生用could描述自己过去的情况，其他学生来辨别真假。如：T: Ten years ago, I could cook.Ss: Yes! Yes! Yes!T: Ten years ago, I could drive.Ss: No! No! No! T: Ten yearsago, I could ride a bike.Ss:Yes! Yes! Yes!T: What could you do five years ago? What couldnt you do?S1: Five years ago, I cou
12、ld dance.Ss: Yes! Yes! Yes!S2: Five years ago, I could play computer games.Ss: Yes! Yes! Yes!S1: Five years ago, I could read English stories.Ss: No! No! No!5. 看图，预测课文内容教师呈现课文的四组图片，要求学生观察每组图片中两幅图片的不同之处，并思考如下问题，为阅读课文做准备。1）What could he/she do then?2）What can he/she do now?3）What did he/she do then?4）
13、What do they do now?6. 听录音，理解课文大意教师播放课文录音，要求学生获取下列信息或判断句子，初步理解课文内容。WhoWhenMikesix years agoMr Browntwenty years agoGrandpathirty years agoMrs Browntwenty years agoRead and judge1）Six years ago, Mike could write. (F)2）Twenty years ago, Mr Brown did not have a mobile phone. (T)3）Thirty years ago, Mike
14、s grandpa had a computer. (F)4）Twenty years ago, Mrs Brown had no friends. (F)7. 说写活动教师安排学生自读课文，充分理解课文内容，并完成下面表格信息。然后，教师安排学生两人一组，用完整的句子介绍四个人物过去和现在的不同之处。 WhoThenNowMikecould read and draw; could not writecan do many thingsMr Brownwrote letters; used the telephonewrites emails has a mobile phoneGrandp
15、alistened to the radio: read newspapersread and watches news on the Internet; reads e-booksMrs Brownmade friends at school: bought things from shopshas e-friends from all over the world; does shopping on the InternetStep 3: Consolidation1. 游戏活动，巩固目标词汇1）Magic eyes教师利用课件将本单元目标单词卡片做成快速闪现的效果，要求学生快速说出 物品的名称。2）Listen and guess教师用英语描述本单元目标词汇，要求学生猜出物品的名称。如：T: We can use it to make calls anywhere. What is it?Ss: Its a mobile phone.T: Its a book without paper. What is it?S
