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1、Lesson31Lesson311现在进行时现在进行时表示：表示：现在现在正在正在的的发生发生的动作或事件。的动作或事件。构成构成：主语主语 be+v.v.inging(动词的现在分词动词的现在分词)现在进行时表示：现在正在的发生的动作或事件。构成：主语 b2taketakingsitsittingcomecomingswimswimmingrunrunningopenopeningwatchwatchingshutshuttingtaketakingsitsittingcomecoming3Tim is sharpening a pencil.sharpenTim5 53 31 1Tim i
2、s sharpening a pencil.sha4He is turning on the light.turn onHe5 53 31 1He is turning on the light.tur5I 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：一般疑问句：肯定肯定/否定回答：否定回答：否定句：否定句：I am sweeping the floor.Are yo6 he,make the bedhe,climb the treeh
3、e,put on the coatHe 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.he,he,he,He is putt7 Sally is sitting under the tree.Tim is
4、climbing the tree.The dog is running after the cat.The dog is running across the grass.sit under the treeclimb the treerun across the grassrun after the catSally Tim The dog Sally is sitting under 8Sally Tim The dog Sally is sitting under the tree.Tim is climbing the tree.The dog is running across t
5、he grass.The dog is running after the cat.Sally Tim The dog Sally is sit9Sally is sitting under the tree.Tim is climbing the tree.The dog is running across the grass.The dog is running across the grass.The dog is running after the dog.The dog is running after the dog.What is Sally doing?What is Tim
6、doing?What is the doing?What is the doing?Sally is sitting under the tre10Sally Wheres Sally,Jack?4Shes in the garden,Jean.3Whats she doing?5Shes sitting under the tree.6Sally 在哪里，在哪里，Jack?她在花园里，她在花园里，Jean。她正在做什么？她正在做什么？她正坐在她正坐在树下。下。Sally Wheres Sally,Jack?11Tim Is Tim in the garden,tooIs Tim in the
7、 garden,too?4?4Yes,he isYes,he is.1 1Hes Hes climbclimbing ing the treethe tree.3.3I beg your pardonI beg your pardon?2?2Whos climbing the treeWhos climbing the tree?4?4 Tim is climbing the tree.3Tim is climbing the tree.3Tim Tim 也在花园里吗也在花园里吗也在花园里吗也在花园里吗?是的，他在。是的，他在。是的，他在。是的，他在。他正在爬他正在爬他正在爬他正在爬树树。我请你再说一遍。我请你再说一遍。我请你再说一遍。我请你再说一遍。TimTim正在爬正在爬正在爬正在爬树树。谁在爬树？谁在爬树？谁在爬树？谁在爬树？Tim Is Tim in the garden,too?12What about the dog?The dogs in the garden,too.Its running across the grass.Its running after a cat.The dog What about the dog?The dogs i13
新概念一册31课ppt课件
