Imperative-Sentences祈使句用法.pptVIP

Guessing Game Keep slience! Be quiet! Guessing Game Don’t smoke! No smoking! Guessing Game Don’t play football! Guessing Game No parking！ Guessing Game Don’t eat! Guessing Game Don’t pick the flowers! 祈使句 : 是表示请求(request)、命令(order) 、建议(advice)或劝告(warning)等句子，通常说话的对象是第二人称you, you常被省略。谓语动词用原型，句末用叹号或句号。 1 1.进来前请敲门！（request） 2.尝点这种果汁，也许你会想要。（advice） 3.当心！（Warning） 4.注意！火车来了！（warning） 5.让她留在原地！（order） Knock at the door before entering,please! Try some of this juice-perhaps you’ll take it. Be careful! Look out! There is a train coming. Leave her where she is! Read and observe(观察) Be quiet！ Be careful! Be clean! Keep slience! Stand up! Come in! 1.祈使句的句型： 2.变否定 1.直接把Don’t 放到句首！ Don’t be late! Don’t smoke! Be + 形容词！ 动词原形 + 其他！ 2.No+名词或动名词！ No entry!禁止入内！ No smoking!禁止吸烟！ Let’s do sth. 让我们做某事 Let sb. do sth. 让某人做某事 也属于祈使句 Let’s play a game. Let me help you. Let’s not talk in class. 直接在动词前加not 祈使句 祈使句,无主语,只用动词就可以. 表示请求或命令,加上please表客气。 如果变成否定句， Don’t开头是规律。 No talking!是警示，祈使句用法要牢记。 Change the following sentence into imperative ones. 1. You should be careful on the ice. Watch for ice! 2.You shouldnt cheat in exams. 3.You are not allowed to smoke here. 4.You should get out of there quickly. 5.You can go this way to get out. 6.You should pay attention to your steps. Dont cheat in exams! No cheating in exams! Dont smoke here! No smoking here! Get out quickly. Go this way. Watch your steps. 3.祈使句的应答 Let’s开头的祈使句，其肯定形式的答语常用Good idea./OK./Yes, I’d love to. Eg: 我们去购物吧。 好主意。 B.其他祈使句的答语常用will或won’t。 Eg: 1. 到家给我打电话。 我会的。 2. 别忘记关窗户 不会忘。 —Let’s go shopping. —Good idea. —Write to me when you get home. —I will. —Dont forget to close the window. —No,I wont. Let’s