英语人教版九年级全册Unit 6 Section B 3a-Selfcheck.ppt

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1、Unit63a-SelfCheck3aThinkofsomethingthatyoudon’tliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.Problem:aspecialpenNewinvention:Whatitisusedfor:Itcanlistentothewriterandwritebyitself.Price:$50quicklytakingnotesinclass3bImagineyouareabusinessp

2、erson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswithamicrochipthatcanstorealistofcommonwordsth

3、atyouwilluse.YoucanprogramthewordsyouwillSamplewritinguseoftenintothemicrochip’smemory,thenassignashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandtheshortformswillchangeintotheactualwords.Themicro

4、chipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.一般过去时被动语态一般过去时的被动语态表示过去某一时刻发生的被动性动作,其基本结构为：主语+was/were+过去分词+by...Theteacherwasvisitedbythemtwoyearsago.他们两年前看过这位老师。主动变被动解题步骤:1.找宾语----即动作的承受者2.判断宾语的单复数----即be动词的单复数3.判断动词的时

5、态----即be动词的时态4.修改谓语的时态----即原句动词改为过去分词5.修改原句的主语----即by+主语/宾语be要随着主语变逻辑主语by来引1.Tombrokethewindow.ThewindowwasbrokenbyTom.2.Hebrokethewindows.Thewindowswerebrokenbyhim.被动语态的大体构成：be+P.P.（过去分词）主动语态变被动之歌：被动语态强调宾，be后加上过去分。be要随着主语变，人称时态要弄准。行为对象作主语，逻辑主语by来引。So

6、mefruitswerebought(byhim)yesterday.LookandsayHeboughtsomefruitsyesterday.Themotorbikewasriddentohisfactory(byhim)lastnight.Herodethemotorbiketohisfactorylastnight.Wemadethesnowmanthismorning.Thesnowmanwasmadebyusthismorning.SelfCheckCompletethepassage

7、withthecorrectformofthewordsinthebox.1inventdoubtmentionnearbywebsiteallofasuddeninventdoubtmentionnearlywebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay__________thingswhichare_________

8、_thesame.It’shardtotellwhocameupwiththeideafirst.inventnearlyinventdoubtmentionnearlywebsiteallofasuddenSomeinventionscanalsoleadtootherinventions____________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkth