新概念英語青少版-2b-Unit-21課件

Unit21TheweatherforecastUnit21TheweatherforecastLesson41

Learnnewwordsandexpressions:forecastn.預(yù)測，預(yù)報(bào)announcern.播音員，節(jié)目主持人goovertov.+adv.participle+prep.

轉(zhuǎn)到forecastern.預(yù)報(bào)員thenestfewquantifier

接下來的幾個(gè)

windn.

風(fēng)blowv.

吹southwestn.

西南bringinv.+adv.Particle(transitive)帶來airn.

空氣rainn.

雨graduallyadv.(manner)(focus)逐漸的risev.

上升degreesCelsiustemperaturemeasurement攝氏度fallv.下降outlookn.前景Lesson41

LearnnewwordsandLesson41forecastforecasterLesson41forecastforecasterLesson41announcerannounceLesson41announcerLesson41gooverto=moveacrossto(到那邊)beover=beatanend,befinished(結(jié)束)overthehillsLesson41goovertoLesson41windwindyLesson41windLesson41blowblowdown吹倒blowout吹滅Lesson41blowLesson41southweste.g.Fromtomorrow,thewindwillblowfromthesoutheast.

N:northW:westE:eastS:southLesson41southwestLesson41bringineg.ItwillbringinwarmairfromtheAtlantic.Lesson41bringinLesson41aire.g.ThewindwillbringinwetairfromAustralia.Lesson41airLesson41rainrainyadj.Lesson41rainLesson41gradually100Lesson41gradually100Lesson41riseeg.Temperatureswillriseto12degreesCelsiusintheday.Lesson41riseLesson41falleg.Nighttemperatureswillfallto4degreesCelsius.Lesson41fallLesson41degreesCelsiusLesson41degreesCelsiusLesson41outlookLesson41outlookLesson41Listentotherecording,andthenanswerthisquestion:Whatwilltheweatherbelikenextweek?Lesson41ListentotherecordiGrammarwill引導(dǎo)的一般將來時(shí):表示將來發(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+will+動(dòng)詞原形+（賓語）+其他eg.Somedaypeoplewillgotothemoon.否定句：在will的后面加not即可。willnot可縮寫為won’teg.Theywon’tusebooks.Grammarwill引導(dǎo)的一般將來時(shí):表示將來發(fā)生的動(dòng)作Grammar一般疑問句：把will提到句子主語之前，結(jié)尾變問號。eg.Willstudentsgotoschoolinthefuture?特殊疑問句：特殊疑問詞+will+主語+動(dòng)詞原形+其他？eg.Whatwillyourdreamschoolhave?Grammar一般疑問句：Grammar句型轉(zhuǎn)換1.Nancyisgoingtogocamping.（否定）Nancy________goingtogocamping.2.I'llgoandjointhem.（否定）I_______go______jointhem.3.I‘mgoingtogetupat6:30tomorrow.（一般疑問句并作出肯定回答）_______________________togetupat6:30tomorrow?____________________4.Wewillmeetatthebusstopat10:30.（一般疑問句并作出否定回答）_______________meetatthebusstopat10:30?________________5.Myfatherandmotheraregoingtoseeaplaythedayaftertomorrow.（劃線提問）__________________goingtoseeaplaythedayaftertomorrow?6.TherewillbesomeFrenchstudentsatthedance.(劃線提問)__________________beatthedance?Grammar句型轉(zhuǎn)換Lesson42Newwords:move

v.

移動(dòng)yetadv.

還沒有，尚未lastadv.

最近一次trainn.

火車Lesson42Newwords:PatternPractice1.A:Whenwilltheymovehouse?B:They’llprobablymovehouseinayear’stime.PatternPractice1.A:WhenwiPatternPractice2.A:Willtheymovehousesoon?B:No,theywon’tmovehouseyet.A:Whenwilltheymovehouse?B:Inayear’stime,Ithink.PatternPractice2.A:WillthePatternPractice3.A:Didtheymovehouseayearago?B:No,theydidn’t.A:Aretheymovinghousenow?B:No,theyaren’t.A:Willtheymovehouseinayear’stime?B:Yes,theywill.Well,Ithinktheywill.PatternPractice3.A:DidthePatternPractice4.A:Whataretheydoing?B:They’removinghouse.A:Whendidtheymovehouselast?B:Theymovedhouselast