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课件网) Section A Grammar Focus-4c Unit 2 Teenagers should be allowed to choose their own clothes. 时态 被动语态结构 一般现在时 am/is/are + 及物动词的过去分词 一般过去时 was/were + 及物动词的过去分词 1. Tom cleans the room every day. (改为被动语态) 2. The flowers are watered on sundays. (改为否定句) 3. That book is liked by children. (改为一般疑问句并作肯定及否定回答) The room is cleaned by Tom every day. The flowers aren’t watered on sundays. — Is that book liked by children — Yes, it is. / No, it isn’t. 4. Breakfast is included in the price of the room. (对划线部分提问) 5. Jack昨天被邀请参加晚会。 Jack _____ _____ _____ go to the evening party. 6. 你知道电视是什么时候发明的吗？ Do you know when the plane _____ _____ 7. 这张漂亮的照片是我爸爸拍的。 This beautiful photo _____ _____ by my dad. What is included in the price of the room was invited to was invented was taken 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 Grammar Focus 感知含有情态动词的被动语态 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 Lily will write a new book in three weeks. A new book will be written by Lily in three weeks. 含有情态动词的被动语态的结构为： . 情态动词+ be +及物动词的过去分词; 主动句 被动句 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 All students can borrow the books from the school library. The books can be borrowed from the school library (by all students). The books can’t be borrowed from the school library (by all students). Can the books be borrowed from the school library (by all students) Yes, they can. / No, they can’t. 结构 肯定句 主语+情态动词+be+动词的过去分词+其他. 否定句 主语+情态动词+not+be+动词的过去分词+其他. 一般疑问句 情态动词 + 主语++be+动词的过去分词+其他 肯定回答: Yes, 主语+情态动词. 否定回答: No, 主语+情态动词+not（的缩写） 特殊疑问句 特殊疑问词+情态动词+ 主语++be+动词的过去分词+其他 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 4a Rewrite the sentences according to the example. 1. You must clean your bedroom every day. must be cleaned every day 2. I will do the housework in the afternoon. 3. Parents will encourage their children to do social work for their community. will be done in the afternoon will be encouraged (by their parents) to do social work for their community Your bedroom The housework Children n. 社区; 社团 4. Do you think we must keep teenagers away from the Internet Do you think teenagers 情境导入 课堂小结 must be kept away from the Internet 5. Parents should give teenagers chances to make their own decisions. Teenagers should be given chances to make their own decisions 新课探究 keep … away from 避免接近; 远离 n. 机会; 可能性 make one’s own decision 自己做决定 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 be asked are allowed are educated start move take continue 新课探究 情境导入 课堂小结 Should teenagers above 18 be allowed to move out 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 Members should be allowed to ... Drinks ... ...
