九年级unit 9 when was it invented？学案全.doc

Unit 9 When was it invented? Section A 1a-4 (1) 一、学习目标：学习一般过去时的被动语态和特殊疑问句。 二、预习感知 将下列短语或句子翻译成英语 发明物 n.____________ 发明 v._______________ 个人的 adj._____________ 个人 n.______________ 被用来做……_________________ 舀出 _____________ 可调节的________________ 1876(英文读作)____________ 1885 (英文读作)____________ 我的一些朋友___________ 三、合作探究 1.被动语态的时态: 被动语态的时态通过be的变化来体现，它必须与主语的人称、数一致。以下是几种常用的被动语态: (1)一般现在时的被动语态: am / is / are + 动词的过去分词。 Eg：This book____________ _____________?in two languages.? 这本书是用两种语言写的. (2) 一般将来时的被动语态:?will / be going to + be + 动词的过去分词. Eg: The project will____________ ____________ next month. 这项工程下个月就完工. (3) 一般过去时的被动语态:?was / were + 动词的过去分词. Eg: The classroom_____________ _____________ three days ago. 教室是三天前被打扫的. (4) 含有情态动词的被动语态: 情态动词 +be +动词的过去分词. The classroom ______________ ______________ ______________every day. 教室应该每天都被打扫. 2. be used for意为 “被用来做…” for表用途,后跟名词或动名词. 拓展: be used as意为?“被用作… …”,as表 “作为”，后跟名词; be used to do意为 “被用来做… …”, 强调动作; be used by 意为 “被… …使用”,by后跟动作的执行者; be used to doing意为 “习惯做某事” to 为介词,后跟名词/代词/doing; used to do“过去常常干某事”。 用as,for,to,by填空。 (1)The stone is so big that it can be used_____________a desk. (2)E-mail English is used_______________many young people. (3)Wind can be used_________________produce electricity. (4)The knife can be used_______________cutting things. (5)Many old people are used_______________getting up. (6)There used_______________be a school here in the past. 3.invent v.“发明”；_____________n.“发明物”; __________ n.“发明家”。 填填：Edison is regarded as a great ___________ and he ___________ over 1000___________________all his life. 4. 由-able 后缀构成的形容词。 1)动词+able→形容词，表“可…的” adjust→可调节的_____________read→__________ change→____________ 2)名词+able→形容词，表“具有…的” reason→有理由的__________ knowledge→__________ 四、随堂检测 一．根据句意及提示完成句子。 1.Wood can________________________(被用于) making paper. 2. Could you please show me how to o________ the new machine? 3. The book was____________________(write) by Lu Xun. 4.The telephone_