Part 5 Unit 2 Transportation 课件-【中职专用】2023-2024学年高一英语同步精品课堂（高教版2021·基础模块1）

Unit2 Transportation Use green transport to keep the water clear and sky blue. 2023 Language Practice 祈使句 Unit2 Transportation Learning objectives knowledge objectives ability objectives emotional objectives To learn the basic usage of imperative form. To be able to use imperative form accurately. To develop good pragmatic habits. Grammar Keep smiling. Don't answer the phone No smoking. No littering. Have a goog day. Nice working with you. 祈使句的概念 Turn off the TV ,please. Stop talking. Have a good time. Put on your coat ,or you’ll have a cold. Remeber to close the window before you leave. 祈使句是英语的基本句型之一，又称无主句，可以表示请求、命令、祝愿、建议或叮嘱。 祈使句的结构 Don’t worry about it. Take Line 6. Change for Subway Line 2 at Zhuquemen station. Get off at Zhonghua Square station. Take Exit B. Don’t +V原+... V原+... 祈使句的结构 类型 （肯定） 结构 例句 Do型 Be型 Let型 Close the door, please! 请把门关上！ Be quiet, please. 请安静一些。 Let’s go. 我们走吧。 行为动词原形+其他 Be+形容词/名词+其他 Let+宾语+动词原形 类型 (否定) 结构 例句 Do /Be型 Let型 Don’t be late. 别迟到。 Let’s not say anything about it. 对于这件事，咱们什么也不要说。 Don’t let them play with fire. 别让他们玩火。 Don’t +动词原形 Don’t let +第三人称宾格+动词原形 Let’s + not +动词原形 祈使句的结构 特殊型 No+ n/doing No photos! 禁止拍照！ No shooting!禁止拍照！ 祈使句的结构练习 1.Please ________(open) the window and let the fresh air in. 2.Don’t ________(touch) this kind of animals. They are dangerous. 3.Let’s ____________ (take part in) the football match. 4._______(be) quiet,the baby is sleeping. 5.________ (repeat) the words again and again until you can read them fluently. 6.You can’t smoke here. Look at the sign—No ________（smoke）. open touch take part in Be Repeat smoking 祈使句的反义疑问句变化形式 1）要注意祈使句无论是肯定句还是否定句，它的反意疑问句都用will you。 2）“Let’s”句型的反意疑问句是“shall we?” E.g:Don’t be late，will you? 不要迟到，好吗？ E.g:Let’s go skating, shall we?（表示内部的建议） Let us try again, will you?（表示向别人发出请求） Let us go shopping，will you? 让我们去购物，好吗？ 祈使句的句型用法 1）祈使句+and+ 表示顺承结果的陈述句。and表“那么，然后”。 2）祈使句+or+表示转折结果的陈述句。or表“否则”。 E.g:Take the umbrella, and you won’t be wet in the rain. E