Unit 5 I’m cleaning my room Lesson 29 课件

课件11张PPT。Unit 5I'm 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. They’re 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，双写词尾，再加ing.eg : run----running begin----beginning
4.标志性词语：now，listen，look，It’s 8 o’clock.-Is he watching TV?-Is he playing football?What’s he doing?-Yes, he is.-No, he isn’t.
He is playing computer games.look at the picturetalk about the pictureAre you looking at this picture?Yes , I am. No,I'm not.Are you talking about this picture?Yes , I am. No,I'm not.moonIs he looking at the moon?
No, he isn't.
He's looking at the sun.sun-Is he ......?-Yes, he is.
/No, he isn’t. He is......He is playing the violin.He is painting.pairworkAre you ...? let's learn.Good bye！