人教精通版英語(yǔ)五下Unit 5I39;m cleaning my roomlesson 30課件

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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ing.eg:tak

2、e-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 at the picture talk 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.