祈使句课件 2023-2024学年人教版英语七年级下册

2 Grammar A 祈使句 Turn left. Turn right. Sit down. Stand up. Open your mouth. Close your eyes. Touch your face. Put up your hands. Simon says Turn left! Guessing Game Turn right! Guessing Game Go upstairs! Guessing Game Guessing Game Go downstairs! Guessing Game Be quiet, please! Guessing Game Don’t play football! Guessing Game Don’t eat! Guessing Game NO parking! Guessing Game Let me help you. Read and observe(观察) Turn left! Turn right! Please go upstairs! Go downstairs! Don’t smoke! Don’t play football! No smoking! Please don’t eat! Be quiet, please? Let me help you. 祈使句：表示命令、请求、建议或劝告 的句子。其主语you常省略，谓语动词用 原形，句末用感叹号或句号，祈使句一般 只有肯定和否定两种形式。 Read and think Open the door, Daisy. Don’t open the door, Daisy. Let’s make a million smiles. Be quiet, girls. Don’t be late again! Read the following sentences and tell their meanings. When do we use these sentences? We use these sentences to give orders or advice . Open the door, Daisy. Don’t open the door, Daisy. Let’s make a million smiles. Be quiet, girls. Don’t be late again! Read the sentences again to see what they have in common. Open Don’t open Let’s Be Don’t be They are called imperatives. 肯定的祈使句 1. 动词原形+其他 Stand up! Sit down,please! 2. Be + adj. Be quiet,please! Be careful! 3. Let + sb. + 动词原形 + 其他 Let's go to school ! Let me help you. 否定的祈使句 1. Don't + 动词原形 + 其他 不要站起来。 Don't stand up. 别害羞。 Don't be shy. 别让他们玩火。 Don't let them play with fire. 2. Let sb. + not + 动词原形 + 其他 咱们不要在这大声吵闹。 Let’s not make so much noise here. 不要让玛丽来这里。 Let Mary not come here. 3. 在公共场合的提示语中，常用的结构 “No＋名词 / v -ing” ，表示“禁止做某事” No smoking! No photos! No parking! 4. Never + 动词原形 + 其他 上学从来不要迟到。 Never be late for school. 不要再那样做了。 Never do that again. 祈使句的回答 祈使句通常表示将来要发生的动作，所 以回答时，一般用will或won’t。 — Don’t forget to do your homework. — I won’t. — Remember to turn off the lights. — I will. Let’s 是Let us的缩写形式，但两者的意思完全不同。Let’s的意思是“我们”，包括说话人和听话人双方在内，建议或请对方一起做某事的意思。而Let us的意思是“让我们”，这里的us不包括听话人在内，是请求对方允许我们做某事。此时的Let us不能缩写为