Lesson 3 A Computer Has a Keyboard 第2课时（课件）科普版英语五年级上册

第2课时 Let’s learn&A game Lesson 3 A Computer Has a Keyboard 科普版英 语 五 年 级 上 册 Warm up Please introduce your computer Review computer 电脑 keyboard 键盘 mouse 鼠标 screen 屏幕 Lead in Let’s learn Presentation Does a TV have a screen? Yes, it does. ---No, it doesn’t. ---No, it doesn’t. ---Does a TV have a mouse? ---Does a TV have a keyboard? Let’s practice Does a computer have … ? Yes/No... have和has都表示“有”。当主语为第三人称单数he 、she、it 及单个人名时 ，用“has”. 例：A computer has a keyboard. key points 肯定句：主语+have/has+其他 否定句：主语+doesn’t+have+其他 一般疑问句结构：Do /Does +主语+have+其他。 肯定回答:Yes,he does! 否定回答:No,he doesn’t! key points Does a TV have a screen? Yes, it does. 疑问句 肯定句 否定句 A TV has a screen. A TV doesn’t have a screen. Let’s learn Does a computer have a screen? Yes, it does. 疑问句 肯定句 否定句 A computer has a screen. A computer doesn’t have a screen. No, she doesn’t. Does she have a dress? She has a dress. Yes, she does. She doesn’t have a dress. 疑问句 肯定句 否定句 No, he doesn’t. Does he have a shirt? He has a shirt