外研社小学英语祈使句.ppt

小学英语中的祈使句,Turn left!,Turn right!,Dont play football!,Dont smoke!No smoking!,Dont park your car!,Dont eat!,定义：用于表达命令、请求、劝告、警告、禁止等的句子叫作祈使句。祈使句因对象（即主语）是第二人称，所以通常都省略。祈使句的动词都为一般现在时，句末一般使用句号或感叹号来表示结束。,1.Go and wash your hands.去洗你的手。2.Buy me a toy,please./Please buy me a toy.请给我买个玩具。3.Be kind to our sister.对我们的妹妹要和善。4.Watch your steps.走路小心。5.Keep off the grass.勿踏草坪。,什么是祈使句？,（命令）,（请求）,（劝告）,（警告）,（禁止）,祈使句无主语，主语you常省去；动词原形谓语当，变否定dont 加；朗读应当用降调，句末常标（！。）号。,学习要注意总结方法：学会把复杂的知识进行简单化的处理。例如：我们把刚才复杂的祈使句的表现形式编成便于诵读和记忆的chant,就简单多了！,Be a good boy!,Buy me a toy car!,肯定形式,否定形式,1.Be 型：系动词原形be+表语+其他,3.Let型：Let+宾语+动词原形+其他,2.Do型：行为动词的原形+宾语+其他,1.Be 型：Dont+be+表语+其他,2.Do型：Dont+行为动词+宾语+其他,3.Let型：1)Dont+let+宾语（第三人称）+动词原形+其他2)Let+宾语（第一、三人称）+not+动词原形+其他,Let him go!,Dont be late for school!,Dont buy me a toy car!,Dont let him go!,Let him not go!,Let s not go!,4.有些可用no开头，用来表示禁止性的祈使句。,No smoking!No fishing!,Turn left!,Dont turn left!,看图写祈使句,Play football!,Dont play football!,Lets play football!,Lets not play football!,看图写祈使句,Dont sleep in class.,Dont argue.,看图写祈使句,Dont use cell-phone in class.,Dont listen to music in class.,看图写祈使句,Eat more fruits and vegetables!,Dont eat!,Eat the right food.Have a healthy mind.Eat a lot of fruits and lots of green veggie.Be happy!Stay healthy!,？学习英语的方法？How to learn English well?,1.Listen and imitate more.多听多模仿。2.Speak more.多讲英语。3.Read more.多读英文小故事。4.Sing English songs.唱唱英文歌曲。,