教科EEC版四下-Unit9 We're Taking Photos-Class 4 Textbook p.72－74-ppt课件-(含教案)--(编号：d01c0).zip

Unit9 Were talking about 教学设计 现在进行时专项 1Greeting 2Teaching 通过不同的图片引出所学的单词： 1. eateating drink-drinking climb-climbing 教师指出这三 个单词都是在词尾加 ing。 2. 展示第二张 PPT，通过 jump-jumping play-playing sleep- sleeping, 这组单词同样是在词尾加 ing。 3. 展示第三张 PPT，swim-swimming have lunch-having lunch, 这两个单词提示动词双写尾字母加 ing、去 e 加 ing。 4. 通过熟读这些单词，让学生总结出动词加 ing 的方法： 直加、双写、 去哑 e 再加 ing。这简单的六个字可以帮助学生 记忆动词加 ing 的规则。 5. 由 what are you doing? 引出现在进行时的定义、结构: 现在进行时，正在发生事，它的结构是，be+V-ing，它的标志词， now/look/listen。 6. 知道了现在进行时的结构接着介绍现在进行时一般疑问句， 通过三组句子整理为：变疑问，be 提前。 7. 通过现在进行时的肯定句引出句子的否定句：变否定 be 后 加 not ，注意 am not 没有缩写， 3Summary 总结现在进行定义、结构、句型转换方法，以及动词加 ing 的 方法。 4Practice 通过练习巩固所学知识。 eateating drinkdrinking climbing climb jumpjumping play playing sleep sleeping swim swimming have lunch having lunch eating drinking climbing jumping playing sleeping swimming having lunch Lets read 动词+ing 的方法： 1. 一般动词直接在词尾加一般动词直接在词尾加ing 2.重读闭音节动词，双写尾字母再加重读闭音节动词，双写尾字母再加ing 3. 动词若以不发音的动词若以不发音的e结尾，去掉结尾，去掉e再加再加ing The girl is sleeping. She is running. He is drinking. She is having lunch. The cat is playing. They are reading books. 现在进行时定义、结构现在进行时定义、结构 ： 现在进行时，正在发生事，现在进行时，正在发生事， 它的结构是，它的结构是，be+V-ingbe+V-ing 它的标志词它的标志词, ,now/look/listen Is she singing? Is Zoom eating? Yes, she is. / No, she isnt. Yes, it is. / No, it isnt. Are they talking? Yes, they are. / No, they arent. 现在进行时的一般疑问句现在进行时的一般疑问句 变疑问，be提前 Is she singing? Is Zoom eating? Are they talking? They are not walking. They are walking. 现在进行时的否定句现在进行时的否定句 I am watching TV. The bird is flying. The bird is not flying. I am not watching TV. 现在进行时的否定句现在进行时的否定句: arent isnt Summary： 1.动词+ing的方法 : 2.现在进行时的结构: 3.现在进行时的一般疑问句: 4.现在进行时的否定句: 直加、双写、去哑e be + V-ing be动词放句首动词放句首 be动词后加动词后加not Practice: 1.We _ _an English class now. arehaving 2.They are playing basketball.(变为一般疑问句变为一般疑问句 ） Are they playing basketball? 3. Mike is doing his homework.(变否定句变否定句 ） Mike is not doing his homework. Thank you