unit 8 children's day part b 课件.ppt
课件14张PPT。 Unit 8 Children’s Day Part BFly kiteShe is flying a kite.Play footballWhat are you doing?I’m playing football.Ride a bikeWhat is he doing?He is riding a bike.drawWhat is she doing?She is drawing.现在进行时构成:主语+be+动词ing
Tom is doing his homework.
第一人称+am+v-ing
第二人称+are+v-ing...