（精）七年级英语下册现在进行时课件人教版.ppt

* * * * * * 1.含义：表示现在正在进行或一段时间正在进行的动作标志词：now, look, listen等。 2.构成：be +V-ing 现在进行时的含义与构成 He is reading a book. 3.V-ing 变化规则： 1）一般加 ing . 如: play----playing watch----watching 以不发音的e 结尾,去e 加ing. 如: take----taking come---coming 元+辅结尾,且是重读闭音节的单词,双写辅音字母+ing. 如:run----running swim----swimming 练习 1.写出下列动的ing 形式. 1.Help__helping_____ 2.come__coming_______ 3.swim_swimming________ 4.eat__eating________ 5.give__giving______ 6.find___finding____ 7.sit __sitting_____ 8.write___writing_____ What is he doing? He is playing basketball. What is the boy doing？ He is singing. ---Is the woman writing? ----No, she isn’t. She is reading a book. ----What are they doing? ----They are swimming. ----Are they swimming? ----Yes, they are. ---Are they singing? ---No, they aren’t. They aren’t singing. They are dancing. Are they ____a book? No, they ____. ____ are they _______ ? They’re _____. reading aren’t What doing writing Is the girl ______(get) up? No, she ______. What ___ she ______? She ___ ______. getting isn’t is doing is sleeping 2.否定句：直接在be后加not. 如：I am writing. I am not writing. 现在进行时的句式 1.肯定句: 主语+be +v-ing+其它. 如: I am reading a book. 3.一般疑问句及回答:问句,直接把be提前,肯定回答:Yes,主语 +be 否定回答: No,主语+be+not -----Are you drawing ? -----Yes,I am./No, I’m not. 一.用所给动词的适当形式填空. 1.Look! The cat____________(run)up the tree. 2.The twins__________(have)breakfast. 3.----___he ________(clean) the blackboard? ----No,he isn’t. 4.Tom__________(play)the piano in the room.Please ask him to come here. 5.Listen! They____________(sing)in the classroom. is running are having Is cleaning is playing are singing 汉译英 1.我们正在看电视. 2.他们正在打扫教室. 3.汤姆正在吃早饭. 4.那对双胞胎正在睡觉. We are watching TV. They are cleaning the classroom.