新概念青少版2Bunit21課件

Unit21Theweatherforecast1Unit21Theweatherforecast1RevisionWarming--upNewlessonPracticeSummaryTeachingcontents2RevisionWarming--upNewlessonPWarmingup3Warmingup3Warming-up1.Greetings:Hello,boysandgirls!Nicetoseeyouagain.2.Learnasong.T:What'stheweatherliketoday?4Warming-up1.Greetings:2.Learnrevision5revision5

Revision規(guī)則動(dòng)詞過(guò)去式的構(gòu)成。1）變化規(guī)則：動(dòng)詞變化很好記，一般末尾加-ed;如果詞尾有個(gè)e，緊跟其后加個(gè)-d；輔音加y來(lái)結(jié)尾，變y為i加-ed；單元+單輔，雙寫(xiě)輔音加-ed注：特殊變化要熟記。2）讀音規(guī)則：清后[t]，元濁[d]，[t],[d]后讀[id]6Revision規(guī)則動(dòng)詞過(guò)去式的構(gòu)成

Revision過(guò)去時(shí)的句子變化口訣：過(guò)去時(shí)，時(shí)過(guò)去。過(guò)去時(shí)態(tài)是否是，過(guò)去時(shí)間是標(biāo)志。否定句很簡(jiǎn)單，did之后not添。疑問(wèn)句也不難，did置于主語(yǔ)前。過(guò)去置于動(dòng)詞前，謂語(yǔ)動(dòng)詞需還原。7Revision過(guò)去時(shí)的句子變化口訣New

lesson8Newlesson8Whatisshetalkingabout?Listen!9WhatisshetalkingListen!9Theweatherforecastsnowycloudysunnyrainy10Theweatherforecastsnowycloudforecastv.預(yù)測(cè)，預(yù)報(bào)['f?:kɑ:st]11forecastv.預(yù)測(cè)，預(yù)報(bào)['f?:kɑ:st]11forecastern.預(yù)報(bào)員12forecastern.預(yù)報(bào)員12announcern.播音員，節(jié)目主持人[?'nauns?]13announcern.播音員，節(jié)目主持人[?'nauns?]gooverto轉(zhuǎn)到14gooverto轉(zhuǎn)到14thenextfew…接下來(lái)的幾個(gè)……在接下來(lái)的幾天天氣將要變化。Theweatherwillchangeinthenextfewdays.15thenextfew…接下來(lái)的幾個(gè)……在接下來(lái)的幾天天氣windn.風(fēng)[wind]16windn.風(fēng)[wind]16blowv.吹She’sblowingthedandelion.[bl?u]17blowv.吹She’sblowingthedandesouthwest[?sauθ?west]

n.西南

NSWEwestnortheastsouth18southwest[?sauθ?west]

n.西Fromtoday,thewindwillblowfromthesouthwest.從今天起，風(fēng)將會(huì)從西南部吹過(guò)來(lái)。19Fromtoday,thewindwillbloFromtomorrow,thewindwillblowfromthesoutheast.從明天起，風(fēng)將會(huì)從東南部吹過(guò)來(lái)。20Fromtomorrow,thewindwillbringin帶來(lái)21bringin帶來(lái)21air[??]

n.天空,大氣22air[??]

n.天空,大氣22rain[rein]n.雨23rain[rein]n.雨23ThewindwillbringinwarmairfromtheAtlantic.風(fēng)將從大西洋帶來(lái)暖空氣。bringinv.帶來(lái)Atlanticn.大西洋24ThewindwillbringinwarmaiThewindwillbringinwetairfromAustralia.風(fēng)將從澳大利亞帶來(lái)潮濕的空氣。25Thewindwillbringinwetairgradually[?gr?dj??l?]

adv.逐漸地26gradually[?gr?dj??l?]

adv.逐漸Rainwillcomeingraduallyfromthesouthwestthisevening.今天晚上，雨將會(huì)從西南方逐漸來(lái)臨。27RainwillcomeingraduallyfrTherainisgraduallyheavy.雨逐漸地大起來(lái)了。28Therainisgraduallyheavy.雨逐n.陣雨rain

showerThewholecountrywillhavesomerainshowersinthenextthreedays.在接下來(lái)的三天，全國(guó)將會(huì)有一些陣雨。29n.陣雨rainshowerThewholecountThiscitywillhavelotsofrainshowersinthenextthreemonths.在接下來(lái)的三個(gè)月，這個(gè)城市將會(huì)有大量陣雨。30Thiscitywillhavelotsofrathermometern.溫度計(jì)[θ?'m?mit?]31thermometern.溫度計(jì)[θ?'m?mit?]31temperaturen.溫度['temp?rit??]32temperaturen.溫度['temp?rit??]3degreesCelsius攝氏度

[di'ɡri:z

'selsi?s]33degreesCelsius攝氏度

[di'ɡri:zrise上升34rise上升34fall[f?:l]v.降落,落下35fall[f?:l]v.降落,落下35Temperaturewillriseto12degreesCelsiusintheday.白天氣溫將會(huì)上升到12攝氏度。36Temperaturewillriseto12deNighttemperaturewillfallto4degreesCelsius.夜間氣溫將會(huì)下降至4攝氏度。37Nighttemperaturewillfallto[‘a(chǎn)utluk]n.前景，展望theoutlookfor…對(duì)于……的前景outlook38[‘a(chǎn)utluk]n.前景，展望theoutlookfoListentotherecording,andthenanswerthisquestion:Whatwilltheweatherbelikenextweek?聽(tīng)錄音，然后回答問(wèn)題：下周天氣會(huì)怎么樣？39Listentotherecording,andt4040Picture1Andnowit'sfivetonine,andtimefortheweatherforecast.Let'sgoovertoCarlaDaneattheLondonWeatherCenter.Carla.Announcer:

41Picture1Andnowit'sfivetoPicture2ThanksJohn,andgoodmorning!Lastmonthwasunusuallycoldanddry.Butallthatwillchangeinthenextfewdays.Weatherforecaster:

42Picture2ThanksJohn,andgoodPicture3Fromtoday,thewindwillblowfromthesouthwest.ItwillbringinwarmairfromtheAtlantic.Andwe'llhavesomerain.Weatherforecaster:

43Picture3Fromtoday,thewindPicture4Rainwillcomeingraduallyfromthesouthwestthisevening.Thewholecountrywillhavesomerainshowersinthenextthreedays.someofthemwillbeheavy.Weatherforecaster:

44Picture4RainwillcomeingraPicture5Temperatureswillriseto12degreesCelsiusintheday.Nighttemperatureswillfallto4degreesCelsius.Itwillfeelcoldoverthehills.Weatherforecaster:

45Picture5TemperatureswillrisPicture6Andtheoutlookfornextweekend:thethreew's—warm,wetandwindy.Andthat'syourweatherforecast.BacktoJohnatthestudio.Weatherforecaster:

46Picture6AndtheoutlookfornLet'spractice：GuidedConversation.對(duì)話練習(xí)。P4547Let'spractice：GuidedConversaLESSON42Pronunciation語(yǔ)音Weakforms:prepositions.英語(yǔ)中的介詞常弱讀，特別是最常見(jiàn)的介詞of,for,from和at。當(dāng)它們?nèi)踝x時(shí)，或在短語(yǔ)的開(kāi)頭或者中間時(shí)，元音通常（但非一定）弱讀為短元音/?/。48LESSON42Pronunciation語(yǔ)音Weakmove[mu:v]

vt.&vi.移動(dòng);搬動(dòng)49move[mu:v]

vt.&vi.移動(dòng);搬動(dòng)49yet[jet]

adv.還,尚,仍然50yet[jet]

adv.還,尚,仍然50last[lɑ:st]

adv.最近一次的，延續(xù);繼續(xù)；51last[lɑ:st]

adv.最近一次的，延續(xù);繼續(xù)train[trein]

n.列車,火車；52train[trein]

n.列車,火車；52

will引導(dǎo)的一般將來(lái)時(shí):表示將來(lái)發(fā)生的動(dòng)作或存在的狀態(tài)，最基本的結(jié)構(gòu)：will+動(dòng)詞原形

肯定句：主語(yǔ)+will+動(dòng)詞原形+（賓語(yǔ)）+其他

Somedaypeoplewillgotothemoon.否定句：在will的后面加not即可。willnot可縮寫(xiě)為won’tTheywon’tusebooks.一般疑問(wèn)句：把will提到句子主語(yǔ)之前，結(jié)尾變問(wèn)號(hào)。Willstudentsgotoschoolinthefuture?特殊疑問(wèn)句：特殊疑問(wèn)詞+will+主語(yǔ)+動(dòng)詞原形+其他？Whatwillyourdreamschoolhave?53will引導(dǎo)的一般將來(lái)時(shí):表示將來(lái)發(fā)生的動(dòng)作“Therebe”句型的一般將來(lái)時(shí)肯定句：

Therewillbe+名詞+其他成份[注意]：無(wú)論后面加單數(shù)名詞或復(fù)數(shù)形式，be都必須用原形。Therewillbeonlyonecountry.否定句：在will后面加not.Therewon’tbeonlyonecountry.一般疑問(wèn)句：把will提到there之前。Willtherebeonlyonecountry?Yes,therewill./No,therewon’t.注意：在口語(yǔ)中，所有人稱都可以用will.54“Therebe”句型的一般將來(lái)時(shí)注意：在口語(yǔ)中，所有人稱一般將來(lái)時(shí)的主要用法：

1、表示將來(lái)某一時(shí)刻的動(dòng)作或狀態(tài)：

Wewillcometoseeyouthedayaftertomorrow.

Therewillbeawonderfulshownextweek.2、表示將來(lái)某一段時(shí)間內(nèi)經(jīng)常的動(dòng)作或狀態(tài)：

Thestudentswillcomeandworkinthelabonceaweek.

Wewillcomeandworkinthisfactoryeveryyear.55一般將來(lái)時(shí)的主要用法：1、表示將來(lái)某一時(shí)刻的動(dòng)作或狀態(tài)：55今天晚上我將會(huì)打電話給你。將來(lái)，學(xué)生將會(huì)使用電腦學(xué)習(xí)。我們今天下午沒(méi)有空。她不會(huì)聽(tīng)我的.Iwillcallyouthisevening.StudentswillusecomputerstolearninthefutureWewon`tbefreethisafternoon.Shewillnotlistentome.56今天晚上我將會(huì)打電話給你。Iwillcallyout當(dāng)天氣變冷的時(shí)候，鳥(niǎo)類不會(huì)飛去南邊我想下個(gè)夏天北京的天氣將會(huì)非常熱。他將會(huì)使用他的筆將會(huì)有大雨和大風(fēng)天氣。Thebirdswon`tflyawaytothesouthwhentheweatherturnscold.IthinkitwillbeveryhotinBeijingnextsummer.Hewillusehispen

Willtherebeheavyrainandstrongwinds?57當(dāng)天氣變冷的時(shí)候，鳥(niǎo)類不會(huì)飛去南邊Thebirdswon肯定否定一般疑問(wèn)回答Iwillhavemanypresents.Iwon`thavemanypresents.WillIhavemanypresents?Yes,Iwill.No,Iwon`t.Hewilldodulljobs.Hewon`tdodulljobs.Willhedodulljobs?Yes,hewill.No,hewon`t.Therewillbeacomputerinit.Therewon`tbeacomputerinit.Willtherebeacompuerinit.Yes,therewill.No,therewon`t.Theywilldoheavywork.Theywon`tdoheavywork.Willtheydoheavywork?Yes,theywill.No,theywon`t.will句式總結(jié):58肯定否定一般疑問(wèn)回答IwillhaveIwon`thFunctionalPractise：１.Ｉhopethat