沪教版七年级下册英语Unit6 Electricity电与电器语法课件（可编辑完整版）

Section1Grammar主题范畴：人与自然；人与社会主题群：环境保护；科学与技术子主题：环境污染及原因，环保意识和行为；科学技术与工程，人类发明与创新。

electricity

[ɪˌlekˈtrɪsəti]n.电，电能ReviewExploreApplySummarizeProduceLeadinElectricityeverywhere!ReviewExploreApplySummarizeProduceLeadinWhatkindsofthingsneedelectricity?computerrobot

runsonelectricity.runson靠...运行ReviewExploreApplySummarizeProduceLeadinWhatkindsofthingsneedelectricity?

runsonelectricityReviewExploreApplySummarizeProduceLeadinWhatkindsofthingsneedelectricity?lightbulbbatteries

runsonelectricitybatteryReviewExploreApplySummarizeProduceLeadinLotsofthingsinourlivesrunon

.Electricityisimportanttous.Itmakesourlivesmoreconvenient.electricity[ɪˌlekˈtrɪsəti]moreconvenient更加便利ReviewExploreApplySummarizeProduceLeadinlightninglightbulbbatteriesnatureMan-madeMan-madeLightningcanbefoundinnature.Lightbulbsandbatteriesareman-made.Whatdotheyhaveincommon?Theyareallrelatedtoelectricity.arerelatedto(与……相关)有相同点ReviewExploreApplySummarizeProduceLeadinHowiselectricityproduced?Electricityisproducedbywindpower,waterpowerandsolarpower.isproducedby被...所生产ReviewExploreApplySummarizeProduceLeadinCanyouimaginelivingwithoutelectricity?DeepthinkingWhatwillhappen?withoutimagineReviewExploreApplySummarizeProduceLeadinWhatwillhappen?getdarktabletTheearthwillgetdark.Ourtabletwillrunoutofbattery.变黑暗[ˈtæblət]runoutof用完；耗尽ReviewExploreApplySummarizeProduceLeadinWhatwillhappen?Wecanonlyreadandwritebycandlelight.Itisveryhardtolivewithoutelectricity.theTVdoesn'tworkwithoutelectricity.ReviewExploreApplySummarizeProduceLeadinWhatwillhappen?thingsgobadThingsinthefridgequicklygobad.reallyhotinsideourapartmentWecan'tturnontheairconditioner.gobad变质ReviewExploreApplySummarizeProduceLeadinWhatwillhappen?NOwashourclothesbyhandWehavetowashallourclothesbyhand.NOMosthouseholdtasksbecomeverydifficultwithoutelectricity,andthistakesusalotoftime.insteadhouseholdReviewExploreApplySummarizeProduceLeadinActivity1lightbulbairconditionerlightningbatteryhouseholdtaskelectricity灯泡闪电电空调家务活电池Lead-inPresentationPracticeProductionSummaryHomeworkReviewExploreApplySummarizeProduceLeadinActivity2runonrunoutofgetdark变黑byhandman-made手工人造的运行用完；耗尽Lead-inPresentationPracticeProductionSummaryHomeworkmoreconvenienthaveincommon有共同点更加便利ReviewExploreApplySummarizeProduceLeadinActivity2befound

livewithout有共同点被找到被...生产haveincommonberelatedto...beproducedby...与...相关没有...生活ReviewExploreApplySummarizeProduceLeadinActivity31.Airconditioner

electricity.man-madeisproducedbyrunon

befound2.Lightningcan

innature.

3.Lightbulbsandbatteriesare

.4.Electricity

windpower,waterpowerandsolarpower.runsonbefoundman-madeisproducedbyReviewExploreApplySummarizeProduceLeadinActivity3livewithoutgetdark

runoutof

householdtasks5.Theearthwill

withoutelectricity.6.Ourtabletwill

battery.7.Itisveryhardto

electricity.8.Most

willtakeusalotoftime.getdarkrunoutof

householdtaskslivewithoutReviewExploreApplySummarizeProduceLeadindrawYes,shecan.Shecandraw.Canshedraw?Lookandsay!(using“can”)新课导入3ReviewExploreApplySummarizeProduceLeadinsingNo,theycan't.Theycansing.Cantheydraw?Lookandsay!(using“can”)Lookandsay!(using“can”)No,shecan’t.Shecandance.Cansheswim?Lookandsay!(using“may”)Yes,youmay.No,youcan't.MayIwatchTV?Amanisgoingtoseehisboss.Heisstandingatthedoorway.MayIcomein?Lookandsay!(using“may”)Astudentisgoingtoasktheteacheraquestion.MayIaskyouaquestion?Aboyisthirsty.Heisaskinghismotherforsomething.MayIhavesomewater?Lookandsay!(using“may”)Whataretherules?Well,wecan’tsleepinclass.Wemuststudyhard.Lookandsay!(using“must”)Whataretherules?Well,wemustn’truntheredtrafficlights,wemustobeytherules.Lookandsay!(using“must”)Whatdothesesignsmean?（Youmustn’tsmokehere.）（Youmustn’tclimbthisladder.）（Youmustn’tswimhere.）（Youmustn’tuseyourmobilephonehere.）Lookandsay!(using“must”)Modalverbs:canandcannot,mayandmaynot,mustandmustnotModalverbscanbeusedtotalkaboutability,permission,obligation,etc.DaisyistellingherbrotherBennyabouthersciencelesson.Readtheirdialogueandpayattentiontothewordsinbold.ReviewExploreApplySummarizeProduceLeadin

Benny:Howwasyourschoolday,Daisy? Daisy:Itwasgreat.Welearntaboutelectricityinourscienceclass. Benny:Canyoutellmewhatyouknowaboutelectricity? Daisy:Wecan't

seeitpoweringeverydaythingsbutwecanseeitwhenthereisalightningstorm. Benny:Right.Mumtoldmewemustn'tgooutdoorsduringastorm.It’sdangerous. Daisy:Yes,that'sright.However,youcanproduceelectricitysafelybyrubbingaruleragainstyoursweater.Lookatme! Benny:Wow.That’sfun!MayItry? Daisy:Yes,ofcourse.Butyoumustgiveitbacktomebecauseit'smyfavouriteruler! ReviewExploreApplySummarizeProduceLeadin

Aftermodalverbssuchascan,mayandmust,weusethebaseformofaverb.Weusecanandcannot(can’t)tosayweareableorunabletodosomething.Weusemayandmaynottoaskfor,giveandrefusepermission.Inlessformalsituations,somepeopleliketousecanandcannot(can’t)forthesamepurpose.Weusemustandmustnot(mustn’t)totellpeoplewhattodoorwhatnottodo.•在can、may、must等

情态动词之后，动词用原形。•用can和cannot(can't)表示能或不能做某事。•用may和maynot来

请求、给予或拒绝许

可。在不太正式的情

况下，

也可以用can和cannot(can't)来表示

同样的目的。•用must和mustnot(mustn't)来告诉人们

该做什么或禁止做什

么。ReviewExploreApplySummarizeProduceLeadin

1Daisygotarobotforherbirthday.Completetheconversationwithcan,can't/cannot,may,maynot,must,mustn't/mustnot.Daisy:Thankyou,Dad.Itisthebestgiftintheworld!Dad:You(1)________nameyourrobotnow.Daisy:IthinkI’llcallhim“Bobo”.Dad:That'sagoodname.Daisy:How(2)_______Iturnhimon?Dad:Firstyouhavetoputthebatteriesinsidehere.Thenyou(3)______switchiton.Nowyou(4)_________talkwith“Bobo”.Bobo:Hello.Pleasegivemeaname.Daisy:Hello.I’llnameyou“Bobo”.Bobo:Ilovemyname,thankyou.can/maycancan/maycan/mayReviewExploreApplySummarizeProduceLeadin

Dad:Bobo,pleasetelluswhatyou(5)_______do.Bobo:I(6)________danceandsingandplayfootball.I(7)_____playchessandI(8)_______speakChinese,EnglishandFrench.Daisy:Wow!You(9)_______helpmewithmyhomeworkthen.Bobo:Ifyouhavequestions,you(10)_________askme.Butyou(11)______doyourhomeworkyourself.Daisy:OK.I'llgoswimmingintheafternoon.(12)_______youcomewithme?Bobo:Sorry.I(13)______swim.I(14)________stayawayfromwater.IfIgetwet,I’l