《九年级英语When was it invented1.ppt》由会员分享，可在线阅读，更多相关《九年级英语When was it invented1.ppt（18页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、九年级英语九年级英语When was it invented1When was the computer invented?be invented 被发明被发明I think the _was invented before/after the _calculatorInventions发明物发明物calculator1976187618851971A:When was the_ invented?B:It was invented in _.1927Who was the car invented by?Karl BenzIt_ _ by_.was invented Karl Benz188
2、5When was it invented?was invented 1885It_ _ in _.What is it used for?It is used for driving .to driveA:What is the _ used for?B:It is used for _.talking with peopleA:What is the _ used for?B:It is used for _.studyingA:What is the _ used for?B:It is used for _.countingWhat are they used for?They are
3、 used for giving light.What are they?They are light bulbsWhen were they invented?They were invented in 1879Who were they invented by?They were invented by EdisionWhat whenwhobe used forTelephone 1876Belltalking with peopleTea3 thousand years agoShen Nongdrinkingumbrella400yeas ago ChineseKeeping fro
4、m the rain and the sunPotato chips1853George CrumeatingSummary（The Passive Voice)主动语态与被动语态主动语态与被动语态：英语根据其谓语动词与主语的关系分为两种语态即主动语态(The Active Voice)和被动语态(the Passive Voice)主动语态主动语态表示主语是动作执行者,被动语态被动语态表示主语是动作的承受者。被动语态结构；bebe +动词的动词的过去分词过去分词Be 体现时态，Be的不同形式就体现不同的时态，各种时态的被动语态的构成：各种时态的被动语态的构成：1.一般现在时态一般现在时态 a
5、m,is,are+done 2.一般过去时态一般过去时态 was,were+done 3.一般将来时态一般将来时态 will+be +done am/is/are going to be+done 4.现在进行时态现在进行时态 am/is/are+being+done5.过去进行时态过去进行时态 was/were+being+done6.现在完成时态现在完成时态 have/has+been+done7.7.含情态动词的含情态动词的 情态动词情态动词 +be+done+done被发明被某人发明被用来做某事1）计算机是何时被发明的？2）计算机是被谁发明的？3）计算机是用来做什么？Translate
6、 these phrases and sentences.be invented be invented by sbbe used for doing sth=be used to do sthWhen was the computer invented?who was the computer invented by?What is it used for?1.The telephone_ (invent)in 1876was invented2.The pen is used to_(write).3.The pen is used for_(write)4.Tom used to_(ge
7、t)up late,but now he is used to_(get)up early.5.His bedroom_(clean)every day5.The old should_ (take care of)6.Many tall buildings will_(build)next year.7.Many tall buildings_(build)now.8.Many tall buildings_in the past few years.9.Many tall buildings_(build)at this time last year.writingis cleanedbe
8、 taken care ofbe builtare being builthave been builtwere being builtFill in the blankswritegetgettingHomework:Make two conversions and talk about the inventions using these sentences:was it When invented?were they was it Who invented by?were they is it What used for?are theye.g Many people speak Eng
9、lish.English is spokenby many people.主动语态变被动语态的步骤：主动语态变被动语态的步骤：1 1、主动语态的宾语变为被动语态的主语；、主动语态的宾语变为被动语态的主语；2 2、主动句的谓语动词变为被动结构；、主动句的谓语动词变为被动结构；3 3、主动句的主语变为被动句的宾语，由、主动句的主语变为被动句的宾语，由by by 引引出，当不强调动作的执行者时，常省略。出，当不强调动作的执行者时，常省略。4.4.其它成分不变。其它成分不变。The passive voice.被动语态被动语态主动语态变被动语态的结构图主动语态变被动语态的结构图:Bell invented the telephone in 1876.The telephone was invented by Bell in 1876.主语谓语动词过去时宾语时间状语主语谓语动词的过去分词宾语时间状语