教学ppt课件 what are you doing.ppt

Unit 21 What are you doing？ Lesson 81 Junior English for China Students’ Book 1 1、感知： Read and cat Dad: What are you doing? Jack: I’m making the bed. Dad: Could you help me,please? I want some help. Jack: Certainly,I’m coming now, Dad. 一、教材分析 2、实践: A: What___he ____ (do)? is doing B: He ________(play) football. is playing What___he ____ (do)? A: is doing B: He ________(play) basketball is playing 讨论用动词的正确形式填空 A: ____she_______(play) table tennis? Is playing B: No.she isn’t. She__________(play) tennis. is playing A: ___she________(dance) ? Is dancing B: Yes,she is. A: What are they doing? B: They are singing A: Are they swimming? B: No,they aren’t. A: Are they having a meeting? B: Yes , they are. 二、教学目标及重、难点 1、知识目标：（1）掌握make、 read、write、 make the bed、homework、do homework的发音和用法。 （2）掌握现在进行时的用法、构成及句型变化的规律。 2、能力目标：培养学生识别、运用现在进行时的能力。 3、情感目标：使语言学习过程成为学生积极的态度、主动思维和自主学习能力的形成过程。 4、重、难点：（1）构成：“be+doing”两部分缺一不可。（2）动词—ing形式的构成规则及读音。 三、教法、学法选择 1、教法：认知教学法、情景教学法、课件演示法、归纳法 2、学法：自主、合作、探究的学习方法 四、教学过程 1、创设情景，诱情激趣。 2、质疑问难，确定探究问题。 3、小组协作，自主探究。 4、师生互动，归纳总结。 5、大胆放手，充分体验。 1、创设情景，诱情激趣 1、感知： Read and cat Dad: What are you doing? Jack: I’m making the bed. Dad: Could you help me,please? I want some help. Jack: Certainly,I’m coming now, Dad. 2、质疑问难，确定探究问题 1）、怎样表示动作正在进行？ 2）、动词为什么要加ing？ 3）、为什么make、come要加ing？ 4）、为什么be（am、is、are）和动词ing形式要同时出现？ A: What___he ____ (do)? is doing B: He ________(play) football. is playing What___he ____ (do)? A: is doing B: He ________(play) basketball is playing 3、讨论用动词的正确形式填空 A: ____she_______(play) table tennis? Is playing B: No.she isn’t. She__________(play) tennis. is playing A: ___she________(dance) ? Is dancing B: Yes,she is. A: What are they doing? B: They are singing A: Are they swimming? B: No,they aren’t. A: Are they having a meeting? B: Yes , they are. 句型转换:把下面的句子变成否定句、一般问句、肯定/否定回答、选择问句、划线部分提问。 He is riding a bike.(drive a car) He is n’t riding a bike. Is he riding a bike? Yes, he is ./No ,he isn’t. Is he riding