五年級(jí)英語(yǔ)下冊(cè) Unit 5《I'm cleaning my room》（lesson 30）課件 人教精通版（三起）

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1、Lesson29現(xiàn)在進(jìn)行時(shí)的含義與構(gòu)成現(xiàn)在進(jìn)行時(shí)的含義與構(gòu)成1.含義：表示現(xiàn)在含義：表示現(xiàn)在正在正在進(jìn)行或一段時(shí)間內(nèi)進(jìn)行或一段時(shí)間內(nèi)正在正在進(jìn)行的動(dòng)作。進(jìn)行的動(dòng)作。2.構(gòu)成：構(gòu)成：be (am,is,are)+動(dòng)詞動(dòng)詞現(xiàn)在分詞現(xiàn)在分詞（動(dòng)詞（動(dòng)詞-ing） eg: He is reading a book now. I am writing. Theyre eating.3.動(dòng)詞動(dòng)詞-ing 變化規(guī)則：變化規(guī)則： 1）一般在動(dòng)詞原形后加）一般在動(dòng)詞原形后加 ing .eg: play-playing watch-watching2)以不發(fā)音的以不發(fā)音的e 結(jié)尾的動(dòng)詞結(jié)尾的動(dòng)詞,去去e 加加in

2、g. eg: take-taking come-coming3)倒數(shù)第二個(gè)字母為元音字母時(shí)，雙寫詞尾，再加倒數(shù)第二個(gè)字母為元音字母時(shí)，雙寫詞尾，再加ing.eg : run-running begin-beginning4. .標(biāo)志性詞語(yǔ)：標(biāo)志性詞語(yǔ)：nownow，listenlisten，looklook，Its 8 oclock.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 a

3、t the picturetalk about the pictureARE 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.pairworkAre you .? LETS LEARN.