九年级英语-unit9-Sectiona公开课课件-人教新目标版

SectionAUnit9Whenwasitinvented?MuseumInventionMuseumHowmuchisit?18Howmuchisit?RuleOnlyonegroupthatgetsthemostscores(分数)canenterthemuseum.Guessing:Whatisit?part1Guessing:Whatisit?Guessing:Whatisit?MicrowaveovenItisusedforcookingandheatingfood(加热)Whatfoodcanbeheatedinit?Whatisitusedfor?Itisusedforcounting.calculatorWhataretheyusedfor?Theyareusedforgivinglight.lightbulbsWhatis/are…usedfor?It’s/They’re…usedfor…part2alarmclockIt’sanannoyinginvention.BecauseitwakesmeupwhenI’msleeping.Ithinkcomputeristhemosthelpfulinvention.BecauseithelpsmesearchtheinformationthatIneed.part3Asurvey:Whatdoyouthinkisthemosthelpful/annoyinginventions?NameHelpfulinventionsWhyAnnoyinginventionswhyUsefulexpressions:A:Whatdoyouthinkisthemosthelpful/annoyinginvention?B:Ithinkthemosthelpfulinventionis…A:Whyisthat?B:Well,itgives/helpspeople…part4Whowas

(telephone)invented

by?Itwasinvented

by

Bell.HenryFordEdisonBellTs’aiLunWrightbrothersfisherinventorsinventionsPapermakingPlaneWashingmachineLightbulbCarTelephone19761971197619271885Whenwasitinvented?1bListenandmatchtheinventionswiththedates.abedc18761885192719711976dabec18761885192719711976part5Whenwas

thecarinvented?Itwasinventedin1885.ChineseinventionsHowmanyinventionsdoyouknow?Groupwork:WhatWhenWhoBeusedforPrintingTangDynasty

朝代ChineseMakingcopiesbattery-operatedslippersheatedicecreamscoopshoeswithadjustableheels电池供电的拖鞋加热的冰激凌勺可调节后跟的鞋2aListenandnumbertheinventionsintheorderthatyouhear.3122bListenagain.Matchtheinventionswiththeirinventorsanduses.Inventionshoeswithadjustableheelsbattery-operatedslippersheatedicecreamscoopWhowasit/weretheyinventedby?ChelseaLanmonJayceCoziarandJamieEllsworthJulieThompsonWhatisit/aretheyusedfor?scoopingreallycoldicecreamseeinginthedarkchangingthestyleoftheshoesmusiccandleactivityglassestemperaturecupChallenge:Trytobeaninventor!Welcome!GrammarFocus(P69)Thepassivevoice被动语态在被动语态的句子中,谓语部分的结构是be+过去分词。被动语态的句子的时态变化反映在be动词上。也就是说,把一个句子做成被动语态的句子,只需要写出be动词的所需时态,再加上所给动词的过去分词就行了。当然,这只是指谓语部分而言。我们知道,be动词作为一个独立的谓语动词有自己现在分词(being)和过去分词(been)。那么,下面我们来看看be在各种时态中的变化形式：一般现在时am/is/are

一般过去时was/were

一般将来时shall/will+be

过去将来时would/should+be

现在进行时am/is/are+being

过去进行时was/were+being

现在完成时have/has+been

过去完成时had+been重点句型

1.

Who

was

the

telephone

invented

by?

It

was

invented

by

Bell.

电话是谁发明的？

电话是贝尔发明的。

2.

When

were

electric

slippers

invented?

They

were

invented

last

year.

电拖鞋是什么时候被发明的？它们是去年被发明的。

3.

What

are

they

used

for?

它们是用来做什么的？

4.

They

are

used

for

seeing

in

the

dark.

它们是用来在黑暗中看