Unit 4 What Are You Doing?（第一课时）一、教学目标：1、能够听、说、读、写动词短语的ing 形式：drawing pictures , doing the dishes , cooking dinner , reading a book , answering the phone 。2、能运用句子“What are you doing ? I am doing the dishes/”询问别人正在做什么并作答。教学重难点：本课时的重点是掌握五个动词短语的ing 形式，能够理解下一课时的主要句型：What are you doing ？并能够用I am doing the dishes/作答。二、自主学习:语法天地现在进行时：表示现在正在进行或发生的动作。它的构成是：肯定句式:主语+ be动词（am,is,are）+动词ing（现在分词）+其它如：Tom is reading books in his study .否定句式：主语+ be动词+not+动词ing（现在分词）+其它如：Tom is not reading books in his study .一般疑问句：Be动词+主语 +动词ing（现在分词）形式+其它?如：Is Tom reading books in his study ？ 特殊疑问句：疑问词+be动词+主语 +动词ing（现在分词）形式+其它?对特殊疑问句的回答，不能用“yes”或“no”来回答，要根据实际情况回答。（注意：当划线部分包含谓语动词时，用疑问词代替划线部分放到句首，原划线处应加上doing）如：Tom is reading books in his study .What is Tom doing in his study?如：Tom is reading books in his study . Where is Tom reading books?动词加ing的变化规则1一般情况下，直接加ing，如：cook-cooking2以不发音的e结尾，去e加ing，如：make-making, taste-tasting3如果末尾是辅音字母加一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping三、合作探究（一）、Read and translate.1、正在做家庭作业 2、正在做晚饭 3、正在洗碗 4、正在读书 5、cleaning the room 6、cleaning the windows 7、drawing pictures 8、answering the phone （二）、朗读并翻译Lets talk 部分（三）、用句子“What are you doing ? I am doing the dishes/”熟练对话. 四、课堂检测1、选择正确答案(1)当你要询问别人在做什么时可以说：( )A. What are you doing ? B. Where are you going ?(2)当别人问你在什么时，你应回答：（ ）A.I can play basketball. B. Im playing basketball.(3)句子“I am drawing pictures.”的意思是：（ ）A.我画了一幅画。 B.我正在画画。2、连词成句（1）doing/you/What/are （2）the/doing/dishes/Im 3、翻译句子（1）What are you doing ？ （2）我正在读书。