外研版 八上 英语 Unit 6 课时3 Understanding ideas（Grammar）（课件）英语外研版2024八年级上册

WhendisasterstrikesUnit6Understandingideas(Grammar)初中英语/外研版/八年级上册能掌握过去进行时的结构及“when”“while”引导时间状语从句的用法，能在语境中正确运用。01能通过“突发事件中人们的行为”话题，理解语言在描述过去场景中的功能，培养跨文化语境下的语言感知。02能通过对比、归纳，提升逻辑思维能力；通过情景创作，发展创造性思维。能学会自主归纳语法规则，通过小组合作提升协作学习能力。03Leadin01Presentation02Practice03Production04Summary05Languagepoints06Exercises07Homework08Leadin01LeadinLookatthepictureandanswerthequestion.WhatwasMrWangdoingat2pmyesterday?LeadinLookatthepictureandanswerthequestion.Whatwasshedoingat5pmyesterday?LeadinLookatthepictureandanswerthequestion.Whatwashedoingat6pmyesterday?LeadinWhatwereyoudoingat2pmyesterday?Thinkandanswer：I+was+doing...We

+were+doing...Presentation02PresentationLookatthesentencesandanswerthequestion.(a)Thatnight,Iwassleepingwhenthegroundshookveryhard.(b)Wemovedonwhilethecloudwasspreadingoverthelandlikeaflood.What’sthestructureoftheseactions?PresentationLookatthesentencesandanswerthequestion.wassleepingwasspreadingshookmoved动词的一般过去式was/were+动词的现在分词形式表示过去某个时刻或时段正在进行的动作或存在的状态。Presentation过去进行时

一般来说，要表示过去某个时刻或某一时段正在进行的动作，我们常使用过去进行时。

常和过去进行时连用的时间状语有:then,atthis/thattime,

yesterday,at...,lastnight等。E.g.Iwasreadinga

bookatthattime.Wewerehavinga

partyatninelast

night.Youwere

sleepingthen.Theywereplaying

basketballat4pm

yesterday.Presentation过去进行时的构成1.肯定句主语＋was/were+动词现在分词＋其它E.g.Alicewassitting

withhersisterbytheriver.Theywerehaving

ateapartyinthegarden.Presentation2.否定句主语＋was/were

not+动词现在分词＋其它E.g.Iwasn’t

readinga

bookatthattime.Weweren’t

havinga

partyatninelast

night.3.一般疑问句及其回答

—Was/Were＋主语＋动词现在分词＋其它?

—Yes,

主语＋was/were./No,主语＋was/werenot.E.g.—Wereyou

readinga

bookatthattime?—Yes,Iwas./No,Iwasnot.—Were

you

havinga

partyatninelast

night?—Yes,wewere./No,wewerenot.Presentation一般过去时和过去进行时的区别这两种时态虽然都表示过去发生的事情，但是过去进行时强调过去某一时刻或时段正在进行或持续的动作;一般过去时表示过去的时间里所发生的动作，所表示的动作往往已经完成。E.g.Laurawasreadinganovelateighto’clocklastnight.Laurareadanovellastnight.PresentationLet'smakesentencesCanyoumakeanegativesentenceaboutwhatTinawasorwasn’tdoing?”TinawaswatchingTVat9yesterdayevening.Tinawas‘twatchingTVat9yesterdayevening.PresentationLookatthesentencesandanswerthequestion.①Whenthebellrang,wewerehavingclass.

②Whilewewerehavingclass,thebellrang.What’sthedifferencebetweenthewords?短暂动作持续动作Presentation动词类型：ring短暂性动词，havingclass是长动作

即

持续性动词，when可接两种动词，while只能接持续性动词从句时态：when引导的从句可配一般过去时/过去进行时，while引导的从句多配过去进行时；主句时态需与从句呼应（如从句过去进行时，主句一般过去时）。强调点：when侧重“某个时间点/短动作发生时，另一个动作正在进行”，while侧重“两个持续动作同时进行”；区别Practice03PracticeCompletethesentenceswiththecorrectformoftheverbsinbrackets.1.People_____________(sleep)whenthevolcanoerupted.2.Whilethey____________(walk)alongtheriver,agreatstormbrokeout.3.Whilethehurricane___________(blow)heavily,airlinescouldnotflyinthearea.4.Thefire___________(spread)quicklyand________(cover)thebuildingwhenIheardavoice.weresleepingwerewalkingwasblowingwasspreadingcoveredPractice⑦Completethepassagewiththecorrectformoftheverbsinbrackets.Atfirst,itwasjustanothernormalweekday.I_________(wait)attherailwaystationwhenI_______(hear)anotice:therewasaheavyrainstorm,soalltrainserviceswerestopped.Whileothers__________(call)theirfamiliesorsearchingfornewsreports,Igotmoreandmoreworried.Ihadalongjourneytomake.Astimewentby,people__________(become)louderandangrier.Justthen,alovelymusic__________(start).waswaitingheardwerecallingbecamestartedPracticeThemusicof"MeandMyMotherland"_________(stop)allnoises.Manytravellers_______(sing)alongwiththemusic.Onewomanstartedtocrywhileshe___________(listen).Thatwonderfulmusicwasfromastudentorchestra.Itliftedourspiritsandgaveushope.stoppedsangwaslisteningProduction04PracticeLet’smakeadialogueorshortpassage.Whatwerepeopledoingwhen/whilethestormarrived?Whenthestormcame,Iwaswalkingmydog.Whileyouwerewalking,didyoufindashelter?Summary05Summary一、核心结构主语+was/were+V-ing二、三种句式肯定句：Iwasreading./Theywereplaying.否定句：Hewasn’t

watchingTV.一般疑问句：Were

youlistening?→Yes,Iwas./No,Iwasn’t.Summary三、whenvswhile对比单词动词类型从句时态强调点例句when短暂/延续性一般过去时/过去进行时先后/同时Whenthebellrang,wewerehavingclass.while仅延续性过去进行时同时Whilewewerehavingclass,thebellrang.Languagepoints06Languagepointsrailway（名词）释义：铁路、铁道常见用法：常和“station”搭配组成“railwaystation”（火车站）例句：Iarrivedattherailwaystation10minutesbeforethetrainleft.weekday（名词）释义：工作日（周一至周五）常见用法：可与“on”搭配（onweekdays：在工作日），需和“workday”区分（后者侧重“单日工作时长”）例句：Weusuallyhavemoremeetingsonweekdays.Languagepoints3.service（名词）释义：服务常见用法：可搭配交通类名词（如“trainservices”“busservices”）表示“运营服务”，也可指“公共服务”（publicservice）例句：Thecityimproveditspublicserviceforelderlypeople.4.rainstorm（名词）释义：暴风雨常见用法：属于天气类名词，同类合成词有snowstorm（雪暴）sandstorm（沙尘暴）例句：Asuddenrainstormforcedustostayinthecaféforanhour.5.search（动词/名词）释义：寻找、搜索常见用法：作动词时需加“for”接宾语（searchforsth.）；作名词时可搭配“a”（asearchfor：一次……的搜索）例句：Theyspentthewholemorningsearchingforthelostkey.6.airline（名词）释义：航空公司常见用法：可搭配“international”“domestic”等形容词，也可指“航线”例句：ThisairlineoffersdirectflightstoParis.motherland（名词）释义：祖国、家乡常见用法：多用于抒情语境，常和“love”“defend”等动词搭配例句：ManyoverseasChinesefeeldeeplyconnectedtotheirmotherland.LanguagepointsExercise07Exercise1.Mysister______herhomeworkwhilemyparentswerewatchingTV.A.doB.does

C.wasdoing

D.did2.Iwaswalkingtoschool______Isawasmalldogontheroad.A.when

B.while

C.because

D.so3.______theywereplayingbasketball,theteachercametotheplayground.A.When

B.While

C.Before

D.After4.Tom______ashowerwhenthetelephonerang.A.take

B.takes

C.istaking

D.wastaking5.—What______you______at8lastnight?—Iwasreadingastorybook.A.do;do

B.did;do

C.were;doing

D.are;doingCABDC6.WhileLily______tomusic,herbrotherwasplayingcomputergames.A.listenB.listenedC.waslisteningD.listens7.Thestudents______anEnglishclasswhenthefirealarmwen