小学英语现在进行时教学ppt

1、The Present Continuous Tense现在进行时现在进行时What is the boy doing?He is running.What is the man doing?He is sleeping.What are they doing?They are singing.The Present Continuous Tense (现在进行时态)定义：现在进行时态表示现在正在进行正在进行或发生的或发生的某 种事情及动作。构成 ：“主语+be (am, is, are )+v- ing v-ing是动词的现在分词形式，动词be根据 主语人称进行变化。 标志：当句中出现Loo

2、k/Listen/now或有上下文提 示时用现在进行时。 请仔细观察下面几个进行时态的句子，并总结出动词变为现在分词的规则.1.Im doing my homework now. 2.Listen! He is playing the piano. 3.They are dancing in the room.4.I am writing some words.5.He is running.6.She is swimming.动词现在分词的变化规律 1) 一般情况下，在动词原形后直接加-ing. 如： workworking(工作) dodoing（做） playplaying（玩） 2)

3、以不发音的字母e结尾的动词，去掉e，再加-ing. 如： dancedancing（跳舞） comecoming（来） (但动词词尾是字母组合ee的,就不能去掉词尾e，而应直接加- ing。例如: seeseeing) 3) 重读闭音节单词，如果末尾只有一个辅音字母，则双写这一字母，再加-ing. 如： getgetting(得到) shopshopping（购物） runrunning（跑） swimswimming （游泳）Lets do some exercise 请说出下列动词的现在分词。 1.help e 3.swim 4.eat 5.give 6. take 7.sit 8. pl

4、ay playinghelpingcoming swimming eatinggiving takingsitting现在进行时的句式 1.肯定句肯定句： 主语+be(am/is/are)+V-ing+其他 如：I am reading a book.2.否定句否定句：直接在am/is/are后加后加not 如：I am writing. I am not writing.3.一般疑问句及回答：问句，直接把am/is/are提句首，若原句有第一人称，把第一人称变为第二人称。 肯定回答：Yes, 主语+be动词 否定回答：No, 主语+be动词+not如：You are drawing a pi

5、g.(变为一般疑问句，并做肯定回答和否定回答)-Are you drawing a pig?-Yes, I am./No, Im not.4.特殊疑问句：对be V-ing提问要用what格式为：What+am/is/are+主语+V-ing？-What is the girl doing?-She is reading. -What are they doing?-They are swimming.-Are they swimming?-Yes, they are.用所给动词的适当形式填空1)I _ _ basketball with my friend now. (play) 2)She _ _ to school now . (go)3)Listen! The bird _ _ on the tree. (sing) 4)Look! He _ _ on the playground. (run) 5)The dogs _ _ in this river. (swim)6）_ your father _(watch) TV now? am playingis goingis singing is runningare swimmingIswatching