新概念英语青少版-2b-Unit-21课件

Unit21TheweatherforecastUnit21TheweatherforecastLesson41

Learnnewwordsandexpressions:forecastn.预测，预报announcern.播音员，节目主持人goovertov.+adv.participle+prep.

转到forecastern.预报员thenestfewquantifier

接下来的几个

windn.

风blowv.

吹southwestn.

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

空气rainn.

雨graduallyadv.(manner)(focus)逐渐的risev.

上升degreesCelsiustemperaturemeasurement摄氏度fallv.下降outlookn.前景Lesson41

LearnnewwordsandLesson41forecastforecasterLesson41forecastforecasterLesson41announcerannounceLesson41announcerLesson41gooverto=moveacrossto(到那边)beover=beatanend,befinished(结束)overthehillsLesson41goovertoLesson41windwindyLesson41windLesson41blowblowdown吹倒blowout吹灭Lesson41blowLesson41southweste.g.Fromtomorrow,thewindwillblowfromthesoutheast.

N:northW:westE:eastS:southLesson41southwestLesson41bringineg.ItwillbringinwarmairfromtheAtlantic.Lesson41bringinLesson41aire.g.ThewindwillbringinwetairfromAustralia.Lesson41airLesson41rainrainyadj.Lesson41rainLesson41gradually100Lesson41gradually100Lesson41riseeg.Temperatureswillriseto12degreesCelsiusintheday.Lesson41riseLesson41falleg.Nighttemperatureswillfallto4degreesCelsius.Lesson41fallLesson41degreesCelsiusLesson41degreesCelsiusLesson41outlookLesson41outlookLesson41Listentotherecording,andthenanswerthisquestion:Whatwilltheweatherbelikenextweek?Lesson41ListentotherecordiGrammarwill引导的一般将来时:表示将来发生的动作或存在的状态，最基本的结构：will+动词原形肯定句：主语+will+动词原形+（宾语）+其他eg.Somedaypeoplewillgotothemoon.否定句：在will的后面加not即可。willnot可缩写为won’teg.Theywon’tusebooks.Grammarwill引导的一般将来时:表示将来发生的动作Grammar一般疑问句：把will提到句子主语之前，结尾变问号。eg.Willstudentsgotoschoolinthefuture?特殊疑问句：特殊疑问词+will+主语+动词原形+其他？eg.Whatwillyourdreamschoolhave?Grammar一般疑问句：Grammar句型转换1.Nancyisgoingtogocamping.（否定）Nancy________goingtogocamping.2.I'llgoandjointhem.（否定）I_______go______jointhem.3.I‘mgoingtogetupat6:30tomorrow.（一般疑问句并作出肯定回答）_______________________togetupat6:30tomorrow?____________________4.Wewillmeetatthebusstopat10:30.（一般疑问句并作出否定回答）_______________meetatthebusstopat10:30?________________5.Myfatherandmotheraregoingtoseeaplaythedayaftertomorrow.（划线提问）__________________goingtoseeaplaythedayaftertomorrow?6.TherewillbesomeFrenchstudentsatthedance.(划线提问)__________________beatthedance?Grammar句型转换Lesson42Newwords:move

v.

移动yetadv.

还没有，尚未lastadv.

最近一次trainn.

火车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