Unit 7 Grammar-imperative and exclamation课件 2022-2023学年沪教牛津版（广州沈阳通用）七年级英语下册

U7 Grammar Imperative and Exclamation 祈使句与感叹句 1 PART 01 imperative 2 Put up your right hand. Touch your left ear. Don’t open your right eye. Don’t stand with your left leg. Please jump twice. Shake your body from right to left twice, please. What’s the sentence patterns of these sentences? They are called imperatives. Put up your right hand. Touch your left ear. Don’t open your right eye. Don’t stand with your left leg. Please jump twice. Shake your body from right to left twice, please. Read the sentences again to see what they have in common. 共同的 1. What do we use imperatives to do? · To give orders or advice. 提出命令或建议 · To give requests. 提出要求 · To make rules. 建立规则 2. We can use please in imperatives. It is more polite. 3. Omit subjects. 通常省略主语。 4. Use base form of verbs at the beginning of sentences. 句首用动词原形。 Structures of imperatives Open the door. Don’t open the door. Open the door, please. Don’t open the door, please. Structures of imperatives Switch on the air conditioner. Don’t switch on the air conditioner. Switch on the air conditioner, please. Don’t switch on the air conditioner, please. Do 型 Positive(肯定句)：Do(V-原) + 其他. Negative(否定句)：Don’t + do(V-原) + 其他. Structures of imperatives Be quiet. Don’t be late! Structures of imperatives Be careful. Don’t be naughty! When you are crossing the street(过马路)…… Be 型 Positive(肯定句)：Be + 表语+其他. Negative(否定句)：Don’t + be +表语+ 其他. Structures of imperatives Let’s play basketball. =Let us play basketball. Let me help you, Odin. Let’s help Odin. =Let us help Odin. Let 型 Let + sb./sth. + do(V-原) + 其他. Structures of imperatives Never give up. 永不放弃。 Never waste water. 永远不要浪费水。 Never型 Never + do(V-原) + 其他. Structures of imperatives No smoking. No parking. No cameras. No pets. No + doing. No + n.(名) No 型 Summary: Five Structures of imperatives Do 型：Do + 其他. Don’t + do + 其他. Be 型：Be + 表语+其他. Don’t + be +表语+ 其他.