五年级下册英语Unit 9 Be careful 知识点精讲 教科版（广州）

知识梳理 了解祈使句 “Be careful!”表示“小心！”。“Don’t run near the hot water.”表示“不要在热水附近跑。”。它们都是祈使句。祈使句用于表达请求、命令或劝告。例如： Open the door, please. 请开门。 Don’t clean the blackboard, please. 别擦黑板。 【总结】祈使句的类型 类型 结构 肯定句 否定句 Do型 动词原形+其他. Clean the door, please. 请擦门。 Don’t clean the door, please. 请别擦门。 Be型 Be+表语(名词或形容词) (+其他)。 Be careful! 小心！ Don’t be late! 别迟到！ Let型 Let+宾语+动词原形 (+其他). Let me have a look. 让我看一看。 Let me not sleep. 别让我睡觉。 No型 No+动名词/名词! No swimming! 别游泳！ 【儿歌】 Do型祈使句的用法口诀祈使句无主语，请求命令它就去；no和not表否定，please出现是客气。 悦读阅读 A Trip to Chuangzhou Wild ZooTomorrow is Sunday. Miss White is going to visit Guangzhou Wild Zoo with her students. They will get there by underground. Guangzhou Wild Zoo is an interesting place to visit. It’s very big and beautiful. There are many animals in the zoo. Janet’s favourite animal is monkeys. They are funny and clever. Kate likes tigers best. But Miss White tells her students that an