英语人教版四年级下册unit4 at the farn.docx

Unit4 At the farmPart ALetstalkTeaching aims1. Help the students master the sentences: Are these carrots? Yes, they are. No, they arent. What are these ? Theyretomatoes. and try to use them properly in real situation.2. Enable the students to understand the dialogue and read it in right intonation and pronunciation .3. Help the students to know the importance of vegetables.Teaching keys:Are these carrots? Yes, they are. No , they arent.What are these ? Theyre tomatoes.Teaching difficulties:单词的复数形式及these 的发音Teaching methodsLearn and practiceTeaching preparationPPTpicturesword cardsTeaching procedureStep1:Warmup1. Listen to a song about vegetablesStudents can listen to it first , then let them follow it.2. A sharp eyeStep 2: Presentation and practice:1. 课件出示carrot、carrots、tomato、tomatoes图片，教读单词，可以先出示图片carrot, 提问Whats this ?(Its a carrot.) 然后出示图片carrots, 继而导入并在小组间操练句型：What are these ?Theyre carrots. 继续句型What are these ?Theyre tomatoes.讲解单词tomato加es,重点讲解单词的单复数形式。提醒学生注意these的发音，th 发咬舌音。2. Lets chant教师出示西红柿等几幅图片，示范并帮助学生创编chant。What are these？ What are these?Tomatoes,tomatoes.Theyre tomatoes。3. 教师出示黄色西红柿，并问学生： What are these? 引导学生回答并鼓励学生品尝，教师教读句子：Try some ，theyre good.4. 课件出示生长着的胡萝卜，教读句子：Are these carrots? Yes, they are. （No ,they arent）.学生利用guessing game 操练句型。5. Listen and imitate .6. Read by themselves.7. Read and fill in the blanks.8. Read in roles.Step 3:Consolidation and extension1. Lets play教师发给学生图片，要求学生保密图片内容,操练句型。A:What are these ?B:Are these ?A: Yes they are./No ,they arent.2. Lets enjoyWatch a video about vegetables and let the students know that vegetables are good for us.Step 4:Summary and homework1. Listen and repeat“letstalk”2. Make a new dialogue and act it out.Step 5 Blackboard designUnit4 At the farm