人教版八下-Unit 10 I 've had this bike for three years.-Section A Grammar focus 4a—4c-ppt课件-(含教案+视频)-部级优课-(编号：90198).zip

Unit 10I have had this bike for three years. Section A (Grammar Focus4c) Period 3 一学习目标： 1知识目标：重点单词：camera, hometown 重点短语：clean up, put away, give away, throw away, yard sale 重点句式：I have had this bike for three years. I have owned these toys since I was a child. Jim has been in Japan for three years. We have had a piano since last November. How long have you had that bike over there? 2. 能力目标：能熟练运用 since、for 谈论自己的个人物品。 能正确使用现在完成时询问并表达某人拥有某物多长时间的话题。 3. 情感目标：让学生了解国外的庭院售卖会以及慈善捐赠活动，学会正确处理并充分 利用自己的废旧用品。 二教学过程 Step 1Warming up 环节说明：通过一首节奏明快的儿歌吸引学生注意力，并让学生介绍自己手中最珍爱的 物品，在复习现在完成时的同时，通过口语热身活动，使学生积极投入到课前讨论中。 Teacher：What do you usually do on the weekend? Student 1：I usually do my homework on the weekend. Student 2：I often play computer game to relax myself on the weekend. Student 3：I usually help my mom to clean up our house. Student 4： Teacher：Id like you to enjoy a clean up song. 播放音乐 clean up song。 （板书 clean up） Teacher：Last weekend, I cleaned up my house, and cleared out a lot of toys of my son. This is a toy tent. We have had it only for half an year. I bought it for him on his first birthday.(继续介 绍其他玩具，为接下来引导学生讨论做铺垫) Teacher：what have got on your table? Did you bring anything special? How long have you had it? Student 1: I got this hat on my seventh birthday, and I have had it for six years. Student 2: I have owned this toy since I was two years old. Student 3: Step 2交流展示 环节说明：请学生找出课本中的现在完成时，对比其中的 since 和 for 用法，为之后的 现在完成时组句做好铺垫。 Teacher：Can you find some sentences with since or for in our text book? Please read them out. Student 1: I have had this bike for three years. Student 2: I have owned these toys since I was a child. Student 3: Jim has been in Japan for three years. Student 4: 请学生大声读出课本中找到的现在完成时。 Step 3进入新课 环节说明：通过不同层次的练习，对 since，for 两词辨析练习，以及现在完成时中短暂 性动词以及持续性动词的辨析和练习，让学生对现在完成时的结构有更清晰更深入的的理解。 Teacher：Can you find the similarities between these sentences? What are they? Students: They are all sentences with since or for. Teacher: Do you know the differences between since and for? 通过图标解释 since、for 的区别，并结合练习来巩固。 for three years = since 2015 since three years ago since I finished my primary school 填词练习 _ 2000 _ three years ago _ last month _ yesterday _ I was a child _ January 1st _ Childrens day _ she moved here _ 18 years _ three years _ two months _ two days _ many years _ half a year _ one month _ a long time 句子练习 1. How long have you lived here? Ive lived here _ twenty years. 2. Yes, Ive been here _ 1976. 3. He has just bought a new house in the city, but ever _ he moved in, he has had trouble with cars and their owners. 4. We havent seen each other _ last week. 5. My parents and I have been in Hong Kong _ two days. 6. He has lived in Nanjing _ the year before last. 7. Ive known him _ we were children. 8. Our teacher has studied Japanese _ three years. 9. She has been away from the city _ about ten years. 10. Amy has had the toy bear _ she was a baby. 请学生自己通过刚才练习来小结 since，for 用法，得出下表： 现在完成时中 for + 时间段 since + 时间点 都表示 一段时间 对一段时间提问用 How long Step 4点拨拓展 环节说明：请学生辨析句子，自行归纳完成时中短暂性动词及持续性动词的用法，最后 通过活动比赛指导学生进行组句练习。 请学生辨析下面两个句子，归纳短暂性动词及持续性动词用法。 Which one is correct? He has already left Beijing. ( ) He has left Beijing for a week. ( ) 总结：二者均可用在现在完成时中，短暂性动词不可接 since，for 引导的时间段。 引导学生进行合并句子练习 1.Lisa arrived in Japan three days ago. She is in Japan. Lisa has been in Japan since three days ago/for three days. 2.Jim bought a car five years ago. He has a car. Jim has had a car since five years ago/for five years. 组句比赛： 1.I have a camera. I bought it in 2009. _ 2.We are friends. We made friends when we were four. _ 3.Bob lives in China. He came here in April. _ 4.I know Anna. I first met her three years ago. _ 5.Linda is ill. She became ill last week. _ Step 5小组活动 环节说明：通过组织一场班内的旧物交易会，让学生在运用本课重点现在完成时的基础 上，学会如何正确处理并充分利用自己的废旧用品。 Teacher：As we know, there are so many ways to deal with our old things. We can put them away, or give them away to people in need, or just throw them away. Here is another way Id like to introduce to you, thats to hold a yard sale. We can sell the things we dont use any more, then use the money to do more meaningful things, such as helping others. Do you think so? So, lets hold a yard sale today, just in our classroom. What are you going to sell today? How long have you had it? Why are you selling it? Please work in groups, write down the basic information of your things and make your own poster. 请学生做好后来到讲台展示自己组特卖海报以及交易过程。 Student 1: This is a really old book. Student 2: Yes. I have had it for seven years. I have read it many times. Student 1: Why are you selling it? Student 2: Because I want more people to know about space. Student 1: Wow. Its so kind of you. How much is it? Student 2: You can have it for 15 yuan. Step 6Homework Write an article about the things you sold in the sale and the way you plan to do with the money you raised. 三、教学反思