新概念一册31课ppt课件.pptx

Lesson31,现在进行时,表示：现在正在的发生的动作或事件。,构成：,主语 be+v.ing(动词的现在分词),take,taking,sit,sitting,come,coming,swim,swimming,run,running,open,opening,watch,watching,shut,shutting,Tim is sharpening a pencil.,sharpen,Tim,5,3,1,He is turning on the light.,turn on,He,5,3,1,I am sweeping the floor.,Are you sweeping the floor?,Yes,I am.No,Im not.,I am not sweeping the floor.,一般疑问句：,肯定/否定回答：,否定句：,he,make the bed,he,climb the tree,he,put on the coat,He is putting on the coat.,Is he putting on the coat?,He isnt putting on the coat?,He is climbing the tree.,Is he climbing the tree?,He is not climbing the tree.,He is making the bed.,Is he making the bed?,He is not making the bed.,Sally is sitting under the tree.,Tim is climbing the tree.,The dog is running after the cat.,The dog is running across the grass.,sit under the tree,climb the tree,run across the grass,run after the cat,Sally,Tim,The dog,Sally,Tim,The dog,Sally is sitting under the tree.,Tim is climbing the tree.,The dog is running across the grass.,The dog is running after the cat.,Sally is sitting under the tree.,Tim is climbing the tree.,The dog is running across the grass.,The dog is running after the dog.,What is Sally doing?,What is Tim doing?,What is the doing?,Sally,Wheres Sally,Jack?4,Shes in the garden,Jean.3,Whats she doing?5,Shes sitting under the tree.6,Sally 在哪里，Jack?,她在花园里，Jean。,她正在做什么？,她正坐在树下。,Tim,Is Tim in the garden,too?4,Yes,he is.1,Hes climbing the tree.3,I beg your pardon?2,Whos climbing the tree?4,Tim is climbing the tree.3,Tim 也在花园里吗?,是的，他在。,他正在爬树。,我请你再说一遍。,Tim正在爬树。,谁在爬树？,What about the dog?,The dogs in the garden,too.,Its running across the grass.,Its running after a cat.,The dog,