2019-2020学年人教版英语九年级unit6单元知识点

2019-2020学年人教版英语九年级 Unit 6 When was it invented ？ 课题：When was it invented ? 重点：⑴掌握本单元出现的生词、短语 ⑵学习运用一般过去时态的被动语态 ⑶学会询问发明时间及用途的基本句型： —When was the telephone invented? —I think it was invented in 1876. —What are they used for? —They are used for seeing at night. 难点：运用一般过去时态的被动语态来讨论发明的发明时间及用途。 主要语言点： 1、 一般过去时的被动语态结构：was/were + 及物动词的过去分词 【例句】: The house was built in 1967. These trees were planted last year . 2、be used for doing sth.表示“被用来做某事”。 【例句】:They are used for seeing in the dark. 注：be used to do 意为“被用来做...”，相当于be used for doing sth 【例句】:This computer is used to control all the machines. Do you know what this tool is used for? 3、 invent 及物动词，意为“发明”，指发明以前从未存在过的东西。 【例句】:---Do you know who invented the light bulb? ---Edison. 注：invent + or-------- inventor 名词 发明家 Invent + ion------ invention 名词 发明 4、 shoes with special heels 有特殊鞋跟的鞋子 with 介词，意为“有；具有；带有”，说明某物带有或具有某种特征。介词短 语with special