Unit 6 When was it invented (2).ppt

Unit6Whenwasitinvented SectionA 1a 2c WhataretheFourGreatInventionsinancientChina Doyouknow paper making造纸术 compass指南针 printing印刷术 gunpowder火药 paper making造纸术 Paper makingwasinventedbyCaiLun CaiLuninventedpaper making Whenwasitinvented Itwasinventedin105AD ThetelephoneswereinventedbyBell Bellinventedthetelephones inventions car What sthiscalledinEnglish TV telephone computer Lookatthethings Inwhatorderdoyouthinktheywereinvented A Ithinkthecarwasinventedbeforethecomputer B Well Ithinkthecarwasinventedafterthecomputer ThecarwasinventedbeforetheTVset Game A Ithink wasinventedbefore B Well Ithink wasinventedafter ThetelephonewasinventedbeforetheTVset A Ithink wasinventedbefore B Well Ithink wasinventedafter Thetelephonewasinventedbeforethecomputer A Ithink wasinventedbefore B Well Ithink wasinventedafter 1aLookatthethingsbelow Inwhatorderdoyouthinktheywereinvented Discussthemwithyourgroup Thennumberthem 1 4 1 first 4 last A IthinktheTVwasinventedbeforethecar B Well IthinktheTVwasinventedafterthecar 4 2 1 3 1bListenandmatchtheinventionswiththeyears 1876 1885 1927 1976 d a c b 1 Thetelephonewasinventedin1876 2 Carswereinventedin1885 3 TheTVwasinventedaround1927 4 Computerswereinventedin1971 Whenwasthetelephoneinvented Whenwerecarsinvented WhenwastheTVinvented Whenwerecomputersinvented 1c Pairwork A Whenwasthetelephoneinvented B Ithinkitwasinventedin1876 c 1885 1927 1876 1971 2aListenandnumbertheinventions 1 3 intheorderyouhearthem 2 1 3 2bListenagainandcompletethechartbelow changing inthedark serving 1 runonelectricity 2 beusedfordoingsth 3 changethestyleofshoes 4 shoeswithspecialheels 通过电启动 beusedtodosth 改变鞋的样式 有特殊跟的鞋 2cMakeconversationsusingtheinformationin2b 被动语态 1 概念 英语动词有两种语态 即主动语态 TheActiveVoice 和被动语态 ThePassiveVoice 主动语态表示主语是动作的执行者 被动语态表示主语是动作的承受者 当我们不知道谁是动作的执行者 或者没有指出谁是动作的执行者 或者只需要强调动作的承受者时 要用被动语态 E g Bellinventedthetelephonein1876 贝尔1876年发明了电话 ThetelephonewasinventedbyBellin1876 电话是贝尔于1876年发明的 2 构成被动语态由 助动词be 及物动词的过去分词 构成 助动词be有人称 数 和时态的变化 其变化规则与作为连系动词时完全一样 特殊疑问句的被动语态由 疑问词 助