四年级下册英语课件-Unit 9 We're Taking Photos--现在进行时总结教科版（三起）(共15张PPT)

Unit 9 We're Taking Photos Present Continuous Tense 现在进行时总结 现在进行时 主语 + am/is/are + doing (动词+ing) 表示某人正在做某事的时候用现在进行时。 现在进行时怎么构成? 什么时候用现在进行时? 主语 be 动词 行为动词 (+ing) I am / ‘m drawing a picture. He She It is / ‘s sleeping in the room. You We They are / ‘re watching a film.  这种时态的句子由两种动词组成。 be -ing Present continuous tense 现在进行时  直接在动词后面加ing。 go ing going do talk watch play read look doing talking watching playing reading looking Present continuous tense 现在进行时 Practice  去e再加ing。 come ing coming have having write writing ride riding live living drive driving move moving Present continuous tense 现在进行时 Practice  以重读、“辅元辅”结构结尾的动词需要双写最后一个字母再加-ing。 swim m ing swimming jog jogging sit sitting drop dropping run running get getting put putting Present continuous tense 现在进行时 Practice 写出下列动词的现在分词 sleep invite chat look write swim p