unit4教案 (2).doc

一、 教学内容义务教育课程标准实验书 牛津小学英语6B第四单元第一课时（复习第一至三单元词汇和语音）二、 教学目标1、 通过复习，熟练掌握形容词比较级 ,副词比较级以及它们的构成规律。掌握个别特殊形式的拼写。2、 通过复习，熟练掌握有关问路的词汇和重要场所的名称。3、 掌握字母组合ir , or, ou在单词中的读音。三、 教学重点 1、 熟练掌握形容词、副词的比较级以及有关问路的词汇。2、 能结合句型熟练运用词汇。3、 能掌握字母组合ir, or ,ou 在单词中的发音。四、 教学难点 能辨别字母组合ir, or, ou 在不同单词中的多种发音。五、 课前准备 部分物品和玩具。 一张习题纸。PPT课件 板书：Revision. - -Vocabularies 六、 教学过程A. Sing a song. ( I wish I was taller.)根据歌词进行交流T: Do you wish you were taller?S: Yes.T: Oh,you can grow tall, tall, and strong .But I cant. I wish I was taller. Look, many students are taller than me.Who is taller than me? Who is stronger than me?让学生和老师进行比较，巩固比较级。B Listen and do. 通过活动对班级同学进行比较。T: Now, listen carefully, follow my orderT: Stand up, xx and xx. Who is taller, xx or xx? Show me your hands, xx and xx? Whose hands are bigger, xx or xx? Show us your right leg, xx and xx? Whose leg is longer, xx or xx? Jump up and down, xx and xx? Who jumps higher, xx or xx?C.Guess. 1出示部分物品和玩具（有的需遮起来），让学生猜一猜哪个更大、更长、更重、更胖。S: Which is smaller, the blue rubber or the red rubber?S: Which is fatter, the monkey or the dog?Who is thinner,the boy or the girl?Who runs faster, the car or the jeep? 小组内用自己的文具或所带玩具做同样猜一猜活动。 2看图并用比较级进行讨论。（课件出示）。D. Competition. 教师对班级同学提出若干问题，要求其余学生迅速记录。等到问题结束后进行归纳。比一比，哪组说的最多。T: How old are you,xx? How about you xx? What time do you get up, xx, xx and xx?What time do your father and mother get up? How tall are you,xx? How tall are you, xx? Whose bag is heavier, yours or your friends? How many metres can you jump, xx ? And you xx? Can you dance well? Who dances better than you ? Where is your home, xx? Where is your home, xx? Does xx run faster than xx? （尽量提出较多与学生生活贴近，他们又感兴趣的问题）各组根据所记录的信息整理后进行汇报。T: Your all did well. Which group did better? E. Sum up the regulation. 教师和学生一起归纳比较级的构词规则。（课件出示） 1一般情况直接 加 er. 如： long longer; small, smaller. 2. 在重读闭音节当中，如过末尾是两个辅音夹一个元音。则双写末尾字母再加er. 如： big, bigger; fat ,fatter. 3.如果末尾有字母e， 并且不发音。则直接加r. 如：late, later. nice, nicer. 4.如果末尾有字母y并且前面是辅音字母，则变 y为i，再加er. 如：heavy, heavier; early, earlier. 5.最后一类就是不规则的变法：如： well, better; far, farther.出示所学形容词，副词以及他们的比较级并有节奏地朗读。（课件出示）F. Exercise. 用适当的词填空。（课件出示题目）学生拿出习题纸做。对答案进行讲解。1.区分清什么时候用原形，什么时候用比较级。2.注意比较级的拼写G. Listen and guess. 老师用英语表达出一个地点或动词，让学生猜出其内容。 如：T: The students there are older than you. Where is it? If people go to farther places, they will go there, then take a train.当学生都回答出来后，出示图并认读相应的词。（课件出示）Questions and answers.T: Is there a shopping center near your home? How can you get there? Where is NanJing History Museum? How can we get there faster?H. Phonetic symbol.出示几组词 ，让学生归纳其字母组合的发音。girl shirt skirt sir bird forty, or order horse morning