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

Lesson29現(xiàn)在進行時的含義與構成現(xiàn)在進行時的含義與構成1.含義：表示現(xiàn)在含義：表示現(xiàn)在正在正在進行或一段時間內(nèi)進行或一段時間內(nèi)正在正在進行的動作。進行的動作。2.構成：構成：be (am,is,are)+動詞動詞現(xiàn)在分詞現(xiàn)在分詞（動詞（動詞-ing） eg: He is reading a book now. I am writing. Theyre eating.3.動詞動詞-ing 變化規(guī)則：變化規(guī)則： 1）一般在動詞原形后加）一般在動詞原形后加 ing .eg: play-playing watch-watching2)以不發(fā)音的以不發(fā)音的e 結(jié)尾的動詞結(jié)尾的動詞,去去e 加加ing. eg: take-taking come-coming3)倒數(shù)第二個字母為元音字母時，雙寫詞尾，再加倒數(shù)第二個字母為元音字母時，雙寫詞尾，再加ing.eg : run-running begin-beginning4. .標志性詞語：標志性詞語：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 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.