Unit 7 Section A Grammar Focus-4c 课件2023-2024学年人教版九年级英语全册

Unit 7 Teenagers should be allowed to choose their own clothes. Section A Grammar Focus Revision 1. 陪伴在某人身旁 stay by one’s side 2. 确保 make sure + 句子 3. 使某人远离某物 keep sb. from sth. 4. 给某人一个拥抱 give sb. a hug 5. 举起某人 lift sb.up 6. 顶嘴 talk/shout back 7. 十点前回来 be back by ten 8. 回想起 think back to 9. 迟到 be late for 10. 待在外面 stay out 11. 后悔做某事 regret doing sth. 被动语态 (passive voice) 一般现在时的被动语态 含有情态动词的被动语态 一般过去时的被动语态 am/is/are+动词的过去分词 was/were+动词的过去分词 Review ? I don't think sixteen-year-olds should be allowed to drive. I agree. They aren't serious enough. Do you think teenagers should be encouraged to make their own decisions? No, I don't agree with this. Teenagers are too young to make their own decisions. Teenagers should not be allowed to have part-time jobs. I disagree. They can learn a lot from working. Do you think we may be allowed to take some photos if we don't use a flash? If you don't use a flash, then it may be OK. Grammar Focus 含有情态动词的被动语态 情态动词+ be + 动词过去分词 can/ could may/ might will/ would shall/ should must ought to 1.情态动词无时态和 人称的变化; 2.情态动词后接动词 原形。 情态 动词 1. 一般现在时被动语态的各种句式结构: 被动不离“ be” “p.p.”, “p.p.” 前面助动 be 。 主谓一致莫忘记, am, is, are 现在时。 肯定式 主语+am/is/are+过去分词( + by…) 否定式 主语+am/is/are + not +过去分词 (+by…) 疑问式 Am/Is/Are+主语+过去分词(+ by …)? 特殊疑问词+ am/is/are+主语+过去分词(+ by ...)? 注意: ①含情态动词的被动语态的一般疑问句的回答,应保留原情态动词,但must表“必须”时,其否定回答应用needn’t;need表“必要”时,其肯定回答应用must。如: — Must my exercise book be handed in now?我的练习本必须现在上交吗? — Yes, it must. 是的,必须现在上交。 (No, it needn’t. 不,不必现在上交。) -Need the laundry be done by me? /Need I do the laundry? -Yes, you must. Grammar 否定句:在情态动词后面加上not或never即可,但must表“必要”时否定式为needn’t。 eg:This task needn’t be finished at once.这项任务没必要立即完成。 ③反意疑问句:借助情态动词构成附加疑问部分。如: eg:This bridge can be built next year, can’t it?这座桥明年能建成,是吗? 2. 一般现在时被动语态的基本用法 用法 示例 表示经常性或习惯性发生的被动动作 表示近期正在发生的被动动作 描述某种常态化的被动的客观事实 强调目前存在的针对行为主体人的被限制性动作 I am often asked the question by my pupils. The spaceship is mainly controlled by computer. These days people are moved by a teacher named Zhang Lili.