Unit21Theweatherforecast第1頁RevisionWarming--upNewlessonPracticeSummaryTeachingcontents第2頁Warmingup第3頁Warming-up1.Greetings:Hello,boysandgirls!Nicetoseeyouagain.2.Learnasong.T:What'stheweatherliketoday?第4頁revision第5頁

Revision規則動詞過去式組成。1）改變規則：動詞改變很好記，普通末尾加-ed;假如詞尾有個e，緊跟其后加個-d；輔音加y來結尾，變y為i加-ed；單元+單輔，雙寫輔音加-ed注：特殊改變要熟記。2）讀音規則：清后[t]，元濁[d]，[t],[d]后讀[id]第6頁

Revision過去時句子改變口訣：過去時，時過去。過去時態是否是，過去時間是標志。否定句很簡單，did之后not添。疑問句也不難，did置于主語前。過去置于動詞前，謂語動詞需還原。第7頁New

lesson第8頁Whatisshetalkingabout?Listen!第9頁Theweatherforecastsnowycloudysunnyrainy第10頁forecastv.預測，預報['f?:kɑ:st]第11頁forecastern.預報員第12頁announcern.播音員，節目主持人[?'nauns?]第13頁gooverto轉到第14頁thenextfew…接下來幾個……在接下來幾天天氣將要改變。Theweatherwillchangeinthenextfewdays.第15頁windn.風[wind]第16頁blowv.吹She’sblowingthedandelion.[bl?u]第17頁south

west[?sauθ?west]

n.西南

NSWEwestnortheastsouth第18頁Fromtoday,thewindwillblowfromthesouthwest.從今天起，風將會從西南部吹過來。第19頁Fromtomorrow,thewindwillblowfromthesoutheast.從明天起，風將會從東南部吹過來。第20頁bringin帶來第21頁air[??]

n.天空,大氣第22頁rain[rein]n.雨第23頁ThewindwillbringinwarmairfromtheAtlantic.風將從大西洋帶來暖空氣。bringinv.帶來Atlanticn.大西洋第24頁ThewindwillbringinwetairfromAustralia.風將從澳大利亞帶來潮濕空氣。第25頁gradually[?gr?dj??l?]

adv.逐步地第26頁Rainwillcomeingraduallyfromthesouthwestthisevening.今天晚上，雨將會從西南方逐步降臨。第27頁Therainisgraduallyheavy.雨逐步地大起來了。第28頁n.陣雨rain

showerThewholecountrywillhavesomerainshowersinthenextthreedays.在接下來三天，全國將會有一些陣雨。第29頁Thiscitywillhavelotsofrainshowersinthenextthreemonths.在接下來三個月，這個城市將會有大量陣雨。第30頁thermometern.溫度計[θ?'m?mit?]第31頁temperaturen.溫度['temp?rit??]第32頁degreesCelsius攝氏度

[di'ɡri:z

'selsi?s]第33頁rise上升第34頁fall[f?:l]

v.降落,落下第35頁Temperaturewillriseto12degreesCelsiusintheday.白天氣溫將會上升到12攝氏度。第36頁Nighttemperaturewillfallto4degreesCelsius.夜間氣溫將會下降至4攝氏度。第37頁[‘autluk]n.前景，展望theoutlookfor…對于……前景outlook第38頁Listentotherecording,andthenanswerthisquestion:Whatwilltheweatherbelikenextweek?聽錄音，然后回答下列問題：下周天氣會怎么樣？第39頁第40頁Picture1Andnowit'sfivetonine,andtimefortheweatherforecast.Let'sgoovertoCarlaDaneattheLondonWeatherCenter.Carla.Announcer:

第41頁Picture2ThanksJohn,andgoodmorning!Lastmonthwasunusuallycoldanddry.Butallthatwillchangeinthenextfewdays.Weatherforecaster:

第42頁Picture3Fromtoday,thewindwillblowfromthesouthwest.ItwillbringinwarmairfromtheAtlantic.Andwe'llhavesomerain.Weatherforecaster:

第43頁Picture4Rainwillcomeingraduallyfromthesouthwestthisevening.Thewholecountrywillhavesomerainshowersinthenextthreedays.someofthemwillbeheavy.Weatherforecaster:

第44頁Picture5Temperatureswillriseto12degreesCelsiusintheday.Nighttemperatureswillfallto4degreesCelsius.Itwillfeelcoldoverthehills.Weatherforecaster:

第45頁Picture6Andtheoutlookfornextweekend:thethreew's—warm,wetandwindy.Andthat'syourweatherforecast.BacktoJohnatthestudio.Weatherforecaster:

第46頁Let'spractice：GuidedConversation.對話練習。P45第47頁LESSON42Pronunciation語音Weakforms:prepositions.英語中介詞常弱讀，尤其是最常見介詞of,for,from和at。當它們弱讀時，或在短語開頭或者中間時，元音通常（但非一定）弱讀為短元音/?/。第48頁move[mu:v]

vt.&vi.移動;搬動第49頁yet[jet]

adv.還,尚,依然第50頁last[lɑ:st]

adv.最近一次，延續;繼續；第51頁train[trein]

n.列車,火車；第52頁

will引導普通未來時:表示未來發生動作或存在狀態，最基本結構：will+動詞原形

必定句：主語+will+動詞原形+（賓語）+其它

Somedaypeoplewillgotothemoon.否定句：在will后面加not即可。willnot可縮寫為won’tTheywon’tusebooks.普通疑問句：把will提到句子主語之前，結尾變問號。Willstudentsgotoschoolinthefuture?特殊疑問句：特殊疑問詞+will+主語+動詞原形+其它？Whatwillyourdreamschoolhave?第53頁“Therebe”句型普通未來時必定句：

Therewillbe+名詞+其它成份[注意]：不論后面加單數名詞或復數形式，be都必須用原形。Therewillbeonlyonecountry.否定句：在will后面加not.Therewon’tbeonlyonecountry.普通疑問句：把will提到there之前。Willtherebeonlyonecountry?Yes,therewill./No,therewon’t.注意：在口語中，全部些人稱都能夠用will.第54頁普通未來時主要使用方法：

1、表示未來某一時刻動作或狀態：

Wewillcometoseeyouthedayaftertomorrow.Therewillbeawonderfulshownextweek.2、表示未來某一段時間內經常動作或狀態：

Thestudentswillcomeandworkinthelabonceaweek.Wewillcomeandworkinthisfactoryeveryyear.第55頁今天晚上我將會打電話給你。未來，學生將會使用電腦學習。我們今天下午沒有空。她不會聽我.Iwillcallyouthisevening.StudentswillusecomputerstolearninthefutureWewon`tbefreethisafternoon.Shewillnotlistentome.第56頁當日氣變冷時候，鳥類不會飛去南邊我想下個夏天北京天氣將會非常熱。他將會使用他筆將會有大雨和大風天氣。Thebirdswon`tflyawaytothesouthwhentheweatherturnscold.IthinkitwillbeveryhotinBeijingnextsummer.Hewillusehispen

Willtherebeheavyrainandstrongwinds?第57頁必定否定普通疑問回答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:第58頁FunctionalPractise：１.Ｉhopethatyou＿＿agoodtimethisevening.A.haveB.arehaving