2022年九年级英语全册Unit6WhenwasitinventedSectionB3a-SelfCheck教学课件新版人教新目标版

SectionB3a~SelfCheckUnit6Whenwasitinvented?Unit6Whenwasitinvented?01Learninggoals03Writing05Homework02Warmingup04ExerciseAPre-writingBWhile-writingCPost-writingLearninggoalsFunctions:Learntointroduceaninvention.Grammar:passivevoice(pasttense)Curriculumwords:nearly,mentionUsefulexpressions:thinkof,takenotes,comeupwithSentences:

①It’shardtotellwhocameupwiththeideafirst.②Someinventionscanalsoleadtootherinventionsallofasudden.Warmingup一般过去时的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+动词过去分词+by...eg:Theteacherwasvisitedbythemtwoyearsago.

他们两年前拜访过这位老师。主动句变被动句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Warmingup►1.Tombrokethewindow.

ThewindowwasbrokenbyTom.►2.

Hebrokethewindows.

Thewindowswerebrokenbyhim.一般过去时的被动语态Warmingup

n.样式；款式

n.高兴；愉快

adj.每日的；日常的

v.提到；说到

n.统治者；支配者

n.气味v.发出……气味

adj.国家的；民族的

v.翻译

adj.突然（的）

n.饼干

adj.酸的；有酸味的

n.顾客；客户

adj.职业的；专业的stylepleasuredailymentionrulersmellnationaltranslatesuddenbiscuitsourcustomerprofessionalWarmingupWords

Phrases

有道理

偶然;意外地

发生；出现

毫无疑问；的确

突然；猛地

把……译成……

错误地；无意中

把……分开

不但……而且……

钦佩；仰慕haveapointbyaccidenttakeplacewithoutdoubtallofasuddeno...bymistakeo...notonly...butalso...lookuptoWarmingupPre-writingHowmanyinventionshavebeenmentionedinthisunit?

Infact,inventionsareeverywhereinourlife.Pre-writing3aThinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.•Problem:__________________________Newinvention:__________________Whatitisusedfor:__________________quicklytakingnotesinclassaspecialpentakingnotesquicklyPre-writingImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.ThisspecialpenwasinventedbyLiuJie.

Ithasthreecolorsandisusedfor…Pre-writing3bWhile-writing3415whohowatthesametimealthoughbecause...inorderto...sothat...Therebe...color,shape,size,usewhatwhyinventionHowtointroduceaninvention2whenin+年份on+月，日，年...was/wereinventedby......invented...Trytousethefollowingexpressions: Itwasinventedby... Itisusedfor... notonly...butalso... haveapoint Itisveryimportant/ofgreatimportancebecause... Inmyopinion...HowtointroduceaninventionWhile-writing030204050106确立篇章定开头、定结尾、定内容审清要点定词组、定句式、扩长句细心审题定体裁、定人称、定时态写作成文注人称、注时态、注连接检查修改查结构、查内容、查语法文章升华好词、加好句、丰内容HowtointroduceaninventionWhile-writing审清要点细心审题定体裁：说明文定人称：介绍一项发明，人称为第三人称，表达想法为第一人称定时态：一般为一般现在时和一般过去时总写我有一个发明。

介绍这个发明的情况。Beginning

Ending

Body

说出自己的想法和意见。While-writing确立篇章话题引出

（Beginning）↓↓↓

介绍发明

（MainBody）↓↓

表达想法

（Ending）While-writing写作成文Topicsentence:Ihaveagreatinvention.Itis...Itisa...Itcannotonly...butalso...Itisusedfor...Itwillbeveryconvenient/helpful/comfortableif...Conclusion:Ithinktheinventionisveryuseful.Ihopethatitcanbewidelyusedinthefuture.While-writing检查修改查字数是否符合要求，名词、代词单复数、词组搭配是否正确

具体步骤查句子结构是否完整，动词时态、语态是否正确，主谓是否一致查篇章结构是否完整、文体格式是否正确查卷面书写是否规范，有无单词拼写、大小写、标点符号的笔误While-writing常用连接词或短语

and/but/so/because/when/however/if/what’smoreinthisway/afterthat/inorderto/sothat/suchas

inmyopinion/like/notonly...butalso.../both...and...

ontheonehand...ontheotherhand亮点句

1.Withoutdoubt,Ithinkitismybestinvention.

2.Itcannotonlychangethelightbutalsobeturnedonoroffitself.

3.Ithinkitcanbewidelyusedinourdaily/everydaylives.文章升华While-writingSamplewriting

Thisismynewinvention—anadjustabledustpan(簸箕).

Ithinkitcanbewidelyusedinourdailylife.Icameupwiththeideabecauseofmymother.Mymotheristall,soshealwaysfeelstiredwhenshebendsdown(弯腰)tousethenormaldustpan.Afterdoingsomestudy,Iinventedthisadjustabledustpanforher.Itlookslikeanormalonebutithasaspecialhandle.Itcanbeadjustedlongerorshorteraccordingtotheusers’need.

Withoutdoubt,Ithinkitismybestinvention.Ihopealargenumber

ofadjustabledustpanswillbeproducedtohelpmorepeople.While-writingPost-writing1.Completethepassagewiththecorrectformsofthewordsinthebox.inventdoubtmentionnearlywebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay______thingswhichare______thesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventions________________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually_________morethanoneinventorwhengivinginformationaboutinventions.inventdoubtwebsitesmentionallofasuddennearly2.Rewritethesesentencesusingthepassivevoice.

1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.3.Whendidtheyinventthepersonalcomputer?4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore.Post-writing2.Rewritethesesentencesusingthepassivevoice.1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.3.Whendidtheyinventthepersonalcomputer?Mywatchwasstolen(bysomeone).Fiveeggswereusedtomakethisbigcake(bythem).Whenwasthepersonalcomputerinvented(bythem)?Post-writing2.Rewritethesesentencesusingthepassivevoice.4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore.Wewereaskednottoruninthehallway(bythem).Thevideowastakenbacktothestore(bysomeone).Post-writing3.Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:

.When:

.Who:

.Purpose:

.TelephoneItwasinventedin1876ItwasinventedbyAlexanderGrahamBellItwasinventedtocommunicatewithothersPost-writingLanguagepointsThisisbecausesometimesafewpeoplemayinventthingswhicharenearlythesame.（教材P48SelfCheck1）nearly与almost的辨析Pointnearly可以与not连用，notnearly

意为“远非，远不是”。词前可用very,pretty修饰。两者都可用来修饰不定代词、形容词、介词、副词、动词、介词短语等，此时两者可互换。almost可以与any以及no,never,nothing等表示否定意义的词连用，但不能与not连用。Post-writingExercise一、用括号内所给单词的适当形式填空。Thefirstpaper_____________(make)inChinain105AD.In610AD,papermaking_________________(introduce)intoJapan.Kites___________(know)inChinaabout2,000yearsago.Gunpowder________________(discover)bytheChinesehundredsofyearsago.Soccer________________(develop)inEnglandinthe12thcentury.wasmadewasintroduced

wereknownwasdiscoveredwasdeveloped二、按要求完成下列句子。

1.Weplantedthesetreesin1997.(改成被动语态)____________________________________2.Hemadeacakeyesterday.(改成被动语态)____________________________________Thesetreeswereplanted(byus)in1997.Acakewasmadebyhimyesterday.Exercise3.Theteachergavethestudentssomeadvice.(改成被动语态)___________________________________