九年级英语全册 Unit 6 When was it invented Grammar Focus课件.ppt

SectionAGrammarFocus一般讲，被动语态可用于英语的各种时态。一般讲，被动语态可用于英语的各种时态。为了能准确地运用被动语态，重点是要掌握为了能准确地运用被动语态，重点是要掌握be动词的各种时态变化。各种时态的被动语动词的各种时态变化。各种时态的被动语态举例如下：态举例如下：被动语态被动语态(PassiveVoice)结构结构:be+V-p.p.am/are/is+动词的过去分词动词的过去分词was/were+动词的过去分词动词的过去分词一般现在时的被动语态一般现在时的被动语态:一般过去时的被动语态一般过去时的被动语态:eg:Hisdeskwascleanedjustnow.Thestationwasbuiltin1928.ManypeoplespeakEnglish.(主动语态主动语态)EnglishisspokenbymanypeopleTheboybrokethewindowyesterday.(主动语态主动语态)Thewindowwasbroken(bytheboy)yesterday.Weboughtsomebooks.主动句与被动句之间的转换主动句与被动句之间的转换Somebookswerebought(byus)主语主语谓语动词主动语态的过去式谓语动词主动语态的过去式宾语宾语主语主语谓语动词被动语态的过去分词谓语动词被动语态的过去分词介词介词+宾语宾语Whenwasthecarinvented?Itwasinventedin1885.Whoweretheyinventedby?TheywereinventedbyJulieThompson.Whataretheyusedfor?Theyareusedforseeinginthedark.Readthesentencesandpayattentiontotheunderlinedparts.Howdeliciousthesoupis!Whocookedit?ItwascookedbyMom.Howcleantheclothesare!Whowashedthem?Theywerewashedby2.Somebodystolemycamerafrommyhotelroom.Mycamerawasstolenfrommyhotelroom(bysomebody).3.Wheredidyoutakethesephotos?Wherewerethesephotostaken?4aRewritethesentencesusingthepassivevoice.4.Ourparentsadvisedusnottogooutalone.5.Differentwriterstranslatedthebookintodifferentlanguages.Wewereadvisedbyourparentsnottogooutalone.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.4b Completethesentenceswithcorrectformsoftheverbsinthebox.The keyswereinvitedwerebroughtwaslockedrangweretoldbrokewereeatenliked4c Writethecorrectformsintheblanks.The keyswasinventedwasbornworkedlearnedwasinventedwassaidisused将下列各句改为被动语态将下列各句改为被动语态1.Hesavedalotofmoneythissummer.2.Wespendlargesumsofmoneyeachyearinpaintingthesteelworkofbridges.Alotofmoneywassavedthissummer.Largesumsofmoneyisspenteachyearinpaintingthesteelworkofbridges.