Unit 5 Section A Grammar Focus 课件英语新教材人教版八年级下册

Unit5

Nature’sTemper第三课时SectionAGrammarFocus课型：语法课主讲人：XXXPresentation02Practice03Lead-in01Production04CONTENTSLanguagepoints06Exercises07Summary05Homework08学习目标1.观察并归纳过去进行时的结构（was/were+doing）及其基本用法，理解其表示过去某一时刻或时间段正在进行的动作。2.理解并区分when和while在引导时间状语从句时的不同用法（when后接短暂性动作或同时性动作，while后接持续性动作）。3.能识别句子中过去进行时的形式以及when/while引导的从句。011.能正确运用过去进行时描述过去某个时刻正在发生的事情。2.能用when和while连接两个同时发生的动作，并能根据语境选择合适的连词。3.能完成课本4a–4c的语法练习，并在情境中准确使用目标语法。021.能结合生活实际，模拟记者采访，询问并描述自然灾害发生时人们的活动。2.能通过小组合作，创编一段关于过去经历的对话或短剧，综合运用过去进行时和when/while。3.能反思在紧急情况下的应对方式，增强安全意识。03通过本节课学习，学生能够：01Lead-inWatchavideoWhatwerepeopledoingatthetimeofrainstorm?Lookatthepicturesandanswer.Whatwasshedoingatthetimeofrainstorm?Shewasathome____________________.doingherhomeworkLookatthepicturesandanswer.Whatwashedoingatthetimeofrainstorm?Hewas_______atthelibraryafterschool.readingLookatthepicturesandanswer.Whatwashedoingatthetimeofrainstorm?Hewas____________fromthesupermarket.walkinghomeLookatthepicturesandanswer.Whatwasshedoingatthetimeofrainstorm?Shewas________________afterwork.waitingforthebus02PresentationReadthesentences.Underlinetheverbswhichshowanongoingactionin

thepast.4aWhatwereyoudoingwhileitwassnowingheavily?Iwastravellingonthetrainthen.Whatwereyourfamilydoingwhenthetyphoonhit?MychildrenandIwerereadingtogether.Whenmyneighbourcalled,myfamilywerehavingdinner.Weweredrivinghomewhenthestrongwindsstarted.Whileweweredrivinghome,thestrongwindsstarted.Itwasraininghardwhileweweredrivingback.Payattentiontotheverbsform.Whattenseisit?1.概念：表示过去某一时刻或某段时间内正进行的动作。2.构成：was/were+动词现在分词3.用法：

①：表示某一时刻正进行的行为，与特定的过去时间状语连用，聚焦具体时间点，常见的时间有：at8lastnight,atthistime,atthattime,atthatmoment等。e.g.Whatwereyoudoingat10o’clockyesterdaymorning?②：表示动作在一段时间内持续进行，未完成；常用时间标志：from8to10yesterdaymorning；也可搭配while引导的时间状语从句e.g.Theywerewaitingforyoufrom8to10yesterdaymorning.过去进行时过去进行时Learntheusageofthepastcontinuoustense.Learnaboutthestructureofthepastcontinuoustense.基本结构（1）肯定句：主语+was/were+v.-ing▶Hewasreadingabookat9lastnight.他昨晚上九点正在看书。（2）否定句：主语+was/were+not+v.-ing▶Theywerenotplayingfootballyesterdayafternoon.他们昨天下午并没有在打球。（3）一般疑问句：Was/Were+主语+v.-ing？▶WereyouwatchingTVatthistimelastnight?你昨晚上这个时候在看电视吗？（4）特殊疑问句：疑问词+was/were+主语+v.-ing？▶Whatwasshedoingwhenthebellrang?。Learnaboutthepresentparticiplechangerules.1.一般情况直接加-ing：play→playing,read→reading2.以不发音e结尾，去e加-ing：write→writing,make→making3.重读闭音节（辅+元+辅），双写尾字母加-ing：run→running,sit→sitting4.以ie结尾，变ie为y加-ing：lie→lying,die→dying现在分词(v.-ing)变化规则现在分词(v.-ing)变化规则Learntheusageofmodalverbs"could”.时态核心含义动作特点关键词过去进行时过去某时正在进行的动作持续、未完成while,atthistimeyesterday一般过去时过去某时发生的动作短暂、已完成yesterday,lastweek易混点：过去进行时vs一般过去时易混点：过去进行时vs一般过去时1.Whenthefirestarted（一般过去时，短暂）,wewerehavingdinner（过去进行时，持续）.2.Theteachercamein（一般过去时，短暂）whileweweretalking（过去进行时，持续）.3.Hereadabookyesterday.（读完了，已完成）4.Hewasreadingabookat8yesterday.（8点正在读，未完成）Readthesentences.Circletheverbformsinthesentencesledby"when"and"while".4aWhatwereyoudoingwhileitwassnowingheavily?Iwastravellingonthetrainthen.Whatwereyourfamilydoingwhenthetyphoonhit?MychildrenandIwerereadingtogether.Whenmyneighbourcalled,myfamilywerehavingdinner.Weweredrivinghomewhenthestrongwindsstarted.Whileweweredrivinghome,thestrongwindsstarted.Itwasraininghardwhileweweredrivingback.Learnthetimeadverbialclausesguidedby"when"and"while"以when和while引导的时间状语从句1)延续性动词和非延续性动词延续性动词指动作可以延续一段时间，而不是瞬间结束。如：work、study、drink、eat等。非延续性动词指动作极为短暂，瞬间结束。如：start、begin、hit、jump、knock等。Learntheusageofthereflexivepronouns.用法①when表示“当……的时候”。从句中既可用延续性动词，又可用非延续性动词，这些动词既可以表示动作，又可表示状态。从句中动作既可和主句的动作同时发生，又可在主句的动作之前或之后发生。如：MarywashavingdinnerwhenIsawher.Theboywasstillsleepingwhenhismothergothomeyesterdaymorning.②while表示“在……的时候”、“在……期间”。它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。while从句中必须是表示动作或状态的延续性动词。如：TheweatherwasfinewhilewewereinBeijing.ShecalledwhileIwasout.Whiletheboyswereplayingfootball,itrained.③如果主句的动作在从句的动作过程中发生，从句常用进行时。如:Learntheusageofthereflexivepronouns.主句从句长短短长长长whenwhen/whilewhilewhen/while+长:短:was/were+V-ing(过去进行时态)动词过去式(一般过去时态)03Practice1.Ididmyhomework.Thetyphoonlandedonthecoast.2.Thepower

wentout.MyfatherandImadedinner.3.Katewrotealetter.Herbrothercalledtowarnherofthestorm.Combineeachpairofsentencesusingwhenorwhile.4bI

was

doing

my

homework

when

the

typhoon

landed

on

the

coast.The

powerwentout

while

my

father

and

I

were

making

dinner.Kate

was

writing

a

letter

when

her

brother

called

to

warn

her

of

the

storm.go

out(火或灯光)熄灭warn

sb.

of...

警告某人…

4.Myparentspackedthesupplies.Imovedourthingsoffthefloor.5.Isleptsoundly.Itrainedcatsanddogs.While

my

parents

were

packing

the

supplies,

I

was

moving

ourthings

off

the

floor.When

I

slept

soundly,

it

was

raining

cats

and

dogs.

rain

cats

and

dogs

下倾盆大雨Fillintheblankswiththecorrectforms.1.I___________(walk)toschoolwhenIsawacatinthetree.2._______(be)he_______(watch)TVat8lastnight?3.They______________(notplay)basketballwhilewewereplayingfootball.4.What_______you_______(do)atthistimeyesterday?5.Thewind_________(blow)hardwhilewe___________(stay)athome.6.She____________(dance)whenthemusicstopped.7.We____________(have)lunchwhenthephonerang.8._______they_______(run)ontheplaygroundat4yesterdayafternoon?9.He_______________(notread)abookwhilehissisterwasdrawing.10.Thesnow______________(fall)whenwewentout.waswalkingWaswatchingwerenotplayingweredoingwasblowingwerestayingwasdancingwerehavingWererunningwasnotreadingwasfalling1.HewaswatchTVwhenthedoorbellrang.(

)2.Wereyouplayfootballat4yesterdayafternoon?(

)3.Whilewewerewalking,weseeabeautifulbird.(

)4.Whentherainstarted,wewerehavingapicnic.(

)5.Theywerenotgotoschoolwhileitwassnowing.(

)6.Whatwereyoudoingatthistimelastweek?(

)×××√×√HewaswatchingTVwhenthedoorbellrang.Wereyouplayingfootballat4yesterdayafternoon?Whilewewerewalking,wesawabeautifulbird.Theywerenotgoingtoschoolwhileitwassnowing.判断句子正误，对的打√，错的打×并改正Presshereto

exercisemore.Completethepassagewithwas,were,when,orwhile.4cWhenJennylookedup,thickblackcloudswereforminginthesky,andtherain_____beatingagainsttheirroof.“Quick,thisway,”saidDad.Thefamilyrantothesaferoomatonce.______theywerewaiting,Jenny’slittlesisterstartedtocry.Dadgavehersomechocolateandtoldherthatthey_____hidingfromanangrylion.Soon,shewaslaughingagain.Atlast,thestormpassed._____theysteppedoutside,theyfoundthesunshining.Peoplewereaskingoneanotheriftheyweresafewhilesome______startingtoclearthestreets.Jennysmiled.Thetornadowasscary,butitalsobroughteveryoneclosertogether.waswereWhileWhen

were04Production4dImaginethatyouareareporter.InterviewamemberofJenny’sfamilyandfindoutwhatheorshewasdoingaroundthetimeofthetornado.Production同伴合作或小组合作完成ActingPronunciationFluencyA:Whatwereyoudoingwhenthetornadohit?B:MyfamilyandIwerehidinginasaferoom.A:Whatwereyoudoingwhileyouwerewaitingthere?B:Oh,whileI…05SummarySummaryUnit5Nature’sTemper(SectionAGrammarFocus)PastContinuousTenseStructureUsagewhenvs.whilewas/were+v-ing否定/疑问:was/werenot,Was/Were...?表示过去某个时刻正在进行的动作表示过去某个时间段正在进行的动作when+短暂动作(一般过去时)when+持续动作(过去进行时)while+持续动作(过去进行时)at8:00lastnight,atthattimefrom7to9yesterday06

LanguagepointsLet'slearnandtakenotes.power/ˈpaʊə(r)/n.电力供应；能量；力量固定搭配：powercut/outage（停电），electricpower（电力），powerstation（发电站），comeintopower（掌权）词性转换：形容词powerful（强大的），副词powerfully辨析：power指能力或电力；strength指体力；force指武力或自然力词讲练Thestormcausedapowercut.Hehasgreatphysicalpower.例填空：Afterthetyphoon,the_________wentoutforhours.翻译：这台机器由电力驱动。powerThemachineisdrivenbyelectricity.Let'slearnandtakenotes.soundly/ˈsaʊndli/adv.（睡觉）酣畅地；可靠地；完全彻底地固定搭配：sleepsoundly（睡得很香）词性转换：形容词sound（健康的；合理的；酣畅的）辨析：soundly强调睡得沉；deeply也可表示深，但soundly更常用词讲练Thebabysleptsoundlyallnight.Hewassoundlydefeatedinthegame.例填空：Afteralongday,Islept______.翻译：尽管有风暴，他还是睡得很沉。soundlyHesleptsoundlydespitethestorm.Let'slearnandtakenotes.thick/θɪk/adj.厚的；浓密的固定搭配：thickclouds（厚云），thickfog（浓雾），thickforest（密林）词性转换：名词thickness（厚度），副词thickly反义词：thin（薄的）词讲练Thebookisverythick.Thicksmokefilledtheroom.例填空：The______fogmadeithardtoseetheroad.翻译：他的头发又浓又密。thickHishairisthickanddense.Let'slearnandtakenotes.beat/biːt/v.(beat,beaten)敲；打n.敲击；跳动固定搭配：beatagainst/on（敲打），heartbeat（心跳），beattherecord（打破纪录）词性转换：名词beating（殴打；打）辨析：beat指连续击打；hit指一次性打击；strike更正式词讲练Therainwasbeatingagainstthewindows.Hisheartwasbeatingfast.例填空：Thewaves______theshoreallnight.翻译：鼓手有节奏地敲鼓。beatThedrummerbeatthedrumrhythmically.Let'slearnandtakenotes.hide/haɪd/v.(hid,hidden)躲藏；隐蔽固定搭配：hidefrom（躲避），hide-and-seek（捉迷藏）词性转换：名词hiding（躲藏），hidden（形容词，隐藏的）辨析：hide指故意藏起来；conceal更正式，指隐藏某物词讲练Thechildrenhidbehindthedoor.Shetriedtohideherfeelings.例填空：Duringthestorm,we______inthebasement.翻译：太阳被云遮住了。hidThesunwashiddenbyclouds.07Exercise一、选词填空。Lastnight,aterrible(1)______hitourtown.Thewindwas(2)______againstthewindows,and(3)______cloudscoveredthesky.Iwassleeping(4)______whenthestormbegan,butthenoisewoke(5)______up.Suddenly,the(6)______wentout,andeverythingwasdark.Mylittlesisterwasscared,sowe(7)______underthebed.(8)______wewerehiding,wecouldheartherainpoundingontheroof.Myparentswereinthelivingroom.They(9)______tryingtocalmmybabybrother.A