Unit 4 What would you do ? Section A (Period 1)Free talkCan you compete Tom’s Family Rules? Tom’s Falily Rules1. 不要在白天有课的晚上出去。 Don’t ________________________________.2. 允许他自己选择衣服。 He’s allowed to____________________________.3. 允许他周末和朋友一起出去。 He _____________ go out with his friends on weekends .4. 不准穿耳洞。 He shouldn’t be allowed to _______________________.5. 不准留长发 He ___________________________ grow long hair. go out on school nights. choose his own clothes. is allowed to get his ears pierced. shouldn’t be allowed to 被动语态的结构 助动词 be+ 过去分词 (be + done)学习目标• 1.new words: million medical research……• 2. 学习英语虚拟语气 .自学指导：（体会并理解虚拟语气）• 英语的语气有三种 : 陈述语气 , 祈使语气和虚拟语气 . 虚拟语气表示说话人• 认为所说的话是和事实相反的内容 , 只是一种愿望 . 假设 . 猜测或空想 , 本单元• 是虚拟语气在非真实条件句中的运用 , 表示说话人所陈述的内容是与事实相反或难以实现的假设。• 其结构是：条件句 --- if + 主语 + 动词的过去式 (be 用 were)• 主句 ------ 主语 + would + 动词原形tomorrownowIf it is fine , we will go to the park.If it doesn’t rain, we will go to the park.If it was fine , I would go out to play.If it wasn’t raining, I would go out to play.真实条件句非真实条件句概念 : 表示与事实相反或根本不可能实现的事 .if 引导虚拟语气的条件状语从句，从句为非真实条件句，一般用过去时．主句用“ should/ would/ could/ might ＋动词原形” .eg: If I had time, I would go for a walk. ( 事实上我现在没有时间，不能去散步．） If I were invited, I would go to the dinner. （事实上没有人邀请我，我也不能去参加宴会．） If I had a million dollars, I would put it in the bank. （事实上我没有一百万美圆，也不可能存在银行．）虚拟语气：1. 假设一个根本不存在的事实或实现 的可能性很小的事实。2. 构成：从句主句I...
