2023学年完整公开课版教学（柯晓峰）

Unit4AmazingScience

Topic1Whenwasitinvented?SectionA

isspokenbyShespeaksChinese.

isspokenbyHespeaksEnglish.EnglishEnglish.Hehim.ChineseChinese.Sheher.

被动语态(PassiveVoice)be+done主动语态：主语+动词+宾语

被动语态：主语+be+过去分词

+by+宾语Manypeopleusecomputers.Computers_____________by________________.Theworkersplanttreesinthegarden.Trees____________inthegarden____theworkers.areusedmanypeopleareplantedbyCanyoutry？Exercise1.Trees__________(water)inourschooleverythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJourneytoWest________(show)onCCTVeverysummer.4.OnChristmasDay,childrenwakeupearlyandcan’twait______(open)theboxesofpresents.

5.We’llhaveachance_____(see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedbemadeof

由某种物质做成(看得出原材料，物理过程)bemadefrom

由某种物质制成(看不出原材料，化学过程)bemadeupof

由几部分组成bemadein

在某地/某时制造bemadeby

由某人制造bemadeinto

被制成12Languagepoints聚焦一般过去时的被动语态结构:助动词(was/were)+及物动词的过去分词1.肯定句式：主语+was/were+v.-ed2.否定句式：主语+was/were+not+v.-ed3.一般疑问句式：Was/Were+主语+vt.-ed4.特殊疑问句式：疑问词W/H+was/were+主语+v.-edE.g.Ane-mailwassenttoherfriendbyJaneyesterday.

Ane-mailwasn’tsenttoherfriendbyJaneyesterday.

Wasane-mailsenttoherfriendbyJaneyesterday?

Whowasthee-mailsenttobyJaneyesterday?Let’ssumuptogether.聚焦一般过去时的被动语态结构:助动词(was/were)+及物动词的过去分词1.肯定句式：主语+was/were+v.-edThedoorwasopened.门被打开了。2.否定句式：主语+was/were+not+v.-edThedoorwasnotopened.门没被打开。3.一般疑问句式：Was/Were+主语+vt.-ed4.特殊疑问句式：疑问词W/H+was/were+主语+v.-ed1beallowedtodosth.被允许做某事,allowsb.todosth.允许某人做某事；allowdoingsth.允许做某事。e.g.Sheallowedmetogofishing.她允许我去钓鱼。Wedon’tallowsmokinginthereadingroom.我们不允许在阅览室吸烟。2toomuch既是形容词短语，也是副词短语，所以它既可修饰名词也可修饰动词。e.g.toomuchwater；eattoomuch太多的水吃得太多.另外注意toomuch后接的是不可数名词；toomany+可数名词复数；muchtoo常用在形容词或副词之前修饰形容词或副词。e.g.muchtoolong太长，muchtoofast太快3showv.给……看。showsth.tosb.=showsb.sth.把某物给某人看。e.g.Canyoushowyournewwatchtome?=Canyoushowmeyournewwatch?你能把新手表给我看看吗？showsb.around...带领某人参观。e.g.Welcometomycity.I’llshowyouaroundsomeplacesofinterest.欢迎来我市，我将带你参观一些名胜古迹。shown.展览、展示,onshow展出。e.g.ThereisaTVplayonshowonCCTV-1.在中央一台有一部电视剧在播放。4bemadeof/from由……制成。bemadeof(看得出原材料)；bemadefrom(看不出原材料)。e.g.Thedeskismadeofwood.桌子是由木材制成的。Paperismadefromwood.纸是由木材制成的。bemadein在……制造。e.g.ThewatchismadeinShanghai.手表是在上海制造的。bemadebysb.由某人制造。e.g.Themodelplanewasmadebymyfather.飞机模型是我爸爸做的。5beusedfor被用来做……。e.g.Pensareusedforwriting.钢笔被用来写字。这种结构也可以变成beusedtodosth.。类似的结构还有:beusedas被用作；beusedby被谁所用。e.g.EnglishisusedasaforeignlanguageinChina.英语在中国被当做外语。Computersareusedbysomepeopleastoys.电脑被有些人当玩具用。beused后还可以跟不定式。e.g.ThismachinecanbeusedtostudyEnglish.这种机器可用来学习英语。6wish(希望)后面接that从句常用虚拟语气。本句表达康康的主观臆想，不一定能实现，像这种表示主观愿望和假想的语气叫虚拟语气。当表示现在的愿望，从句中谓语动词用过去式；当表示将来的愿望，从句中动词用could/would加动词原形。e.g.IwishthatIdidn’thavetogotoworktoday.我希望今天不用上班。IwishIcouldhavemyownhouse.我希望我能拥有自己的房子。7cometrue变成真的，实现。come这里起到连系动词的作用。go也有类似用法。e.g.Thefishhasgonebad.这鱼已经变坏了。Changethefollowingsentences.1.Mymotherallowsmetousehercellphone.(改为被动语态)I________________usemymother’scellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就画线部分提问)_______arocket______?3.Thedigitalcamerawasinventedin1975.(就划线部分提问)________thedigitalcamera_______?4.Maybeheisaninventor.(改为同义句)

He________aninventor.am

allowed

to

WhatisusedforWhenwasinventedmaybe

ExercisesSummaryWelearn:

1.Somewords:

lock,rocket,metal,satellite,spaceship

2.Somephrases:

bemadeof,beusedof,someday,cometrue

3.Somesentences:

(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisarocketusedfor?-It’susedforsendingsatellitesorspaceshipsintospace.

Wecan:Usethepassivevoice.()1.Thelaptop_____inJapanin1985.Itisusedforstudying. A.isdeveloped B.wasdeveloped