1、Unit 5,Im cleaning my room.,Lesson29,现在进行时的含义与构成,1.含义:表示现在正在进行或一段时间内正在进行的动作。 2.构成:be (am,is,are)+动词现在分词(动词-ing),eg: He is reading a book now. I am writing. Theyre eating.,3.动词-ing 变化规则:,1)一般在动词原形后加 ing .,eg: play-playing watch-watching,以不发音的e 结尾的动词,去e 加ing.,eg: take-taking come-coming,倒数第二个字母为元音字母时,
2、双写词尾,再加ing.,eg : run-running begin-beginning,4.标志性词语:now,listen,look,Its 8 oclock.,-Is he watching TV?,-Is he playing football?,Whats he doing?,-Yes, he is.,-No, he isnt. He is playing computer games.,look at the picture,talk about the picture,Are you looking at this picture?,Yes , I am. No,Im not.,Are you talking about this picture?,Yes , I am. No,Im not.,moon,Is he looking at the moon? No, he isnt. Hes looking at the sun.,sun,-Is he ?,-Yes, he is. /No, he isnt. He is,He is playing the violin.,He is painting.,pairwork,Are you .?,lets learn.,Good bye!,