Unit 4 Lesson 2 Grammar（讲解课件）-【优翼·学练优】2024-2025学年七年级英语下册同步备课（外研版2024）

# Unit 4 The art of having fun Grammar # Learning Objectives In this lesson you will: 1. master the usage of imperatives: 2. complete the exercises related to imperatives: 3. use imperatives to talk about the importance of having fun. 优# Game: Do as I say Raise your hands. >Use your pen to take notes. > Look at the blackboard >Express yourself bravely. >Say"I can" loudly. 2 Read the sentences again and find out the similarities of these sentences. Raise your hands. >Use your pen to take notes. Look at the blackboard >Express yourself bravely. >Say"I can”loudly. Do you know what type of sentences they are? 2 Read the sentences from the reading passage and summarise the grammar rules. (a) Imagine staying on an island alone. (b) Don't forget to take some time out to have fun and enjoy life! 2 Now find more sentences with these structures in the reading passage. Just picture yourself watching a funny film on that island. >So, next time, invite your friends to enjoy live music together. 祈使句 用来表示请求、命令、叮属、建议等的句子叫祈使句 祈使句的谓语动词用原形,句子没有主语,句未使用感 叹号或者句号。 E.g. Open the door quickly 2 二、用法 1.祈使句的肯定句 (1)以系动词be开头的祈使句 结构:Be动词+其它成分(形容词、名词或介词短语等) E.g. Be quiet/quick Be a good student! Be careful when crossing the street. (2)以实义动词开头的祈使句 常用结构行为动词原形+其它成分 E.g. Come in, please! Stand up, please.=Please stand up. # (3)let句型. 常用结构:①Let's/letus+动词原形 ②Let+宾语+其他 E.g. Let's play football Let me help you.