英语人教版六年级下册Unit 4 Then and now Part B .doc

Unit4 Then and now第四课时【教学内容】B部分Lets try Lets talk【课型】对话课【教学目标】知识与技能目标：1. 能够听、说、朗读different，active。2. 能听懂、会说、会表演Lets talk的内容，能在图片的帮助下，在情景中恰当运用句型I/ She / He was before. I /She /He didnt before . Now I /She / He is / am用3-5句话描述自己和他人外貌、性格、爱好、行为等方面的变化。3. 听懂、会说本课时的对话。过程与方法目标：锻炼、培养听力能力、口头表达能力和歌唱能力。情感态度与价值观目标：树立珍惜时间，不断学习，追求进步的思想。【教学重点】1.听说读写句子Before, I was quiet. Now, Im very active in class. I was short, so I couldnt ride my bike well. Now, I go cycling every day.2.准确掌握different的发音。【教学难点】学会在句意表达中混合使用一般现在时和一般过去式。【教法】通过听、看、读、想、说来逐步引导学生，发展其语言思维和运用能力。【学法】情景交流法。【教学准备】教师准备本课时的课件；学生准备自己从小到大的两三张照片。【教学过程】一、复习 1.Play games : “Bomb time” and “Magic eyes” .（设计意图：两个有趣好玩的游戏既营造了活跃的课堂氛围，又复习了有关外貌、性格、爱好、动作行为等方面的单词，为本课学习比较自己和他人今昔对比做了词汇运用上的铺垫。）2.Free talk T：Before the two funny games , I was tired , because I went to bed late last night . But now Im relaxed and happy . I changed . Actually , Everyone has changes . Lets see .（板书：change,教学change一词，学生会意后达到三会即可。）二、新课呈现1.出示郎朗的老照片，学生猜Whos he ? 并看图填空句子Twenty years ago, he_ (play) the piano at home. Now, he _ (play) the piano everywhere. 2.出示习近平主席年少时的照片，学生填空句子Fortyfive years ago, he _ (be) a student.并猜Whos he ?3.出示一张男孩的照片，引导学生猜Whos he ? 并看图填空句子Twenty-five years ago，the boy _ (visit) the Great Wall.后再出示那个男孩姚明的新老照片，教学different一词。板书：different ，请学生说出它的意思，并教读。4. Look at Yao Mings old photos. What changes are in Yao Ming ? Are they all different now ?Eg：T: What was he like before? Ss: T: How about now ? Ss: 5.教学active 和 板书句子：Before, I was quiet. Now, Im very active in class.请学生说意思，然后齐读。6. T: Did he play basketball well before ? Ss: No , he didnt .板书句子：He was short, so he couldnt play basketball well. Now, he plays it every weekend .（设计意图：通过观察及教师有目的的提问，学生在语境中运用一般现在时和一般过去时比较姚明今昔的外貌、性格、行为的变化。为本课时重点句型的认读和运用奠定基础；同时也培养了学生仔细观察身边事物的好习惯。）7. 学生跟唱歌曲Changes in me。T: Yao Ming changes . Mike changes , too . Lets sing the song Changes in me.8.Lets try。学生审题后，教师播放Lets try的录音，后师生纠正答案。T: What changes in Mike? Lets listen !9 .学习Lets talk .T: There are another changes in Mike . Listen to their conversation and answer the questions .（1）学生自己读对话，回答问题： How did Mike change ? How did John change ?(讲解并板书句子I was short，so I couldnt ride my bike well. Now I go cycling every day.)（2）学生展示讨论结果，讲解对话；教师答疑，师生共同评价。（3）放录音，学生跟读。三、趣味操练（三人一组）1小组内自由读。2. 小组内分角色朗读对话。3. 分角色表演对话。（设计意图：熟练运用本节课所学重点内容，引导部分不愿意开口说英语的学生参与其中。）四、运用拓展1. 灵活运用P36的句型结合相关单词及句子谈论家人或朋友的变化。2. 从外貌、性格特点、爱好等方面写写你自己现在和过去的变化。不少于5句话。五、作业布置1. Listen and repeat “Lets talk” on P36 5 times. 2. Write the new the words and the sentences on the blackboard .3.Finish the questions ofExercise Bookof this lesson .【板书设计】 Unit 4 Then and now Change differentBefore，I was quiet.Now，I am active in class.I was short，so I