Unit+7+Section+A+4a-4c 人教版九年级英语全册

（人教新目标版）九年级全Period3SectionA4a-4cUnit7Teenagersshouldbeallowedtochoosetheirownclothes.LearningobjectivesKeywords&phrases：community，chance，educate，manage，societymakeone'sowndecisionKeysentences：1.InmanyWesterncountries，teenagersareallowedtomoveoutateighteen.2.ThatiswhymanyChineseadultscontinuetolivewiththeirparents.Keystructure：modelverbs＋be＋pastparticipleeg：Yourbedroommustbecleanedeveryday.Teenagersshouldbeencouraged

todosocialworkfortheircommunity.Doyouagreeordisagree?communityn.社区；社团LeadinTeenagers

shouldnotbegiven

chancestomaketheirowndecisions.Doyouagreeordisagree?chancen.机会；可能性makeone'sowndecision自己做决定LeadinThemobilephonemustbekept

awayfrom

teenagers?Doyouagreeordisagree?keep...awayfrom避免接近；远离LeadinTeenagers

couldbeeducatedtomanagetheirownlives.Doyouagreeordisagree?educatev.教育；教导managev.完成；应付LeadinReadthesentencesagainandpayattentiontotheunderlinedstructures.带有情态动词的被动语态结构：情态动词+be+V-ed1.Teenagersshouldbeencouraged

todosocialworkfortheircommunity.2.Teenagersshouldnotbegivenchancestomaketheirowndecisions.3.Themobilephonemustbekept

awayfrom

teenagers?4.Teenagers

couldbeeducatedtomanagetheirownlives.Presentation主动语态变被动语态的方法Edison

thelightbulb.inventedThelightbulb

主语+谓语动词被动语态(be+V-ed)+介词+宾语①主动语态的宾语变成被动语态的主语。wasinventedbyEdison.②主动语态的谓语动词变成“was/were+及物V-ed”形式。③主动语态的主语变成by引导的介词短语放在主谓结构后面，有时可以省略。Presentation③主动语态的主语变成by引导的介词短语放在主谓结构后面，有时可以省略。主语

谓语动词被动语态(情态V+be+V-ed)介词+宾语LiMing

shoulddo

it.

It

shouldbedone

byLiMing.主语谓语动词主动语态(含情态动词)宾语I.含情态动词的主动语态变被动语态的方法①主动语态的宾语变成被动语态的主语。②主动语态的谓语动词变成"情态动词+be+V-ed"形式。PresentationII.含情态动词被动语态的几种句型：1.肯定句:主语+情态动词+be+V-ed.Hisbedroom

shouldbecleanedinthemorning.2.否定句:主语+情态动词+not+be+V-ed.3.一般疑问句:情态动词+主语+be+V-ed?Hisbedroomshouldn'tbecleanedinthemorning.Should

hisbedroombecleanedinthemorning?Presentation把下列句子改为含情态动词被动语态的句子。1.Don'thavepart-timejobs.2.Don'tgetearspierced.Studentsshouldnotbeallowedtohavepart-timejobs.Students

shouldnotbeallowedtogettheirearspierced.Practice3.Don'ttakephotosinthemuseum.4.Don'tuseaflash.Peopleshouldnotbeallowedtotakephotosinthemuseum.Wemaybeallowedtotakephotosifwedon'tuseaflash.PracticeDoyouthinkteenagersshouldbeencouragedtomaketheirowndecisions?No,Idon'tagreewiththis.Teenagersaretooyoungtomaketheirowndecisions.Teenagersshouldnotbeallowedtohavepart-timejobs.Idisagree.Theycanlearnalotfromworking.Idon'tthinksixteen-year-oldsshouldbeallowedtodrive.Iagree.Theyaren'tseriousenough.usedtoexpressouropinionsPractice英语中表示同意或不同意的若干方法非常赞同1.Icouldn'tagreemore!

我非常同意!2.That'sabsolutelytrue!

绝对没错!4.I'mwithyouonthat.

我同意这点!3.Absolutely!肯定了!5.That'sexactlymyopinion.正是我所设想的!Practice比较赞同1.Yes,perhaps.

可能吧。2.Well,you'vegotapointthere.你说的还算有点道理。4.Mmm,possibly.

恩,可能吧。3.Iguessyoucouldberight.我想可能是吧。Practice委婉表示不赞同2.I'mnotsocertain.

我不确定。4.I'minclinedtodisagreewiththat.我不太同意你说的。1.I'mnotsosurereally.

我不是很同意。3.No,Idon'tthinksoreally.不，我不这样认为。Practice3.Idisagreewithyouentirely.

我绝对不同意你的观点。1.Youmustbejoking.

你在说笑吧。意见分歧2.Youcan'tbeserious.你不是认真的吧。4.Iwouldn'tgoalongwithyouthere.

我想我们不能在这点上达成共识。Practice4aRewritethesentencesaccordingtotheexample.1.Youmustcleanyourbedroomeveryday.

Yourbedroom_________________________.2.Iwilldothehouseworkintheafternoon.Thehousework__________________________.3.Parentswillencouragetheirchildrentodosocialworkfortheircommunity.

Children__________________________________________________________________________.mustbecleanedeverydaywillbedoneintheafternoon

willbeencouragedtodosocialworkfortheircommunity.P52Practice4.DoyouthinkwemustkeepteenagersawayfromtheInternet?

Doyouthinkteenagers____________________________________________?5.Parentsshouldgiveteenagerschancestomaketheirowndecisions.

Teenagers______________________________________________________.mustbekeptawayfromtheInternetshouldbegiven

chancestomaketheirowndecisionsPracticeFillintheblankswiththecorrectformsofthewordsinbrackets.4bP52Shouldteenagers__________(ask)tomoveoutwhentheystartworking?InmanyWesterncountries,teenagers___________(allow)tomoveoutateighteen.Their

parentsbelievethattheyshouldbeeducatedtotakecareofthemselvesfromayoungage.Thisway,whenthey________(start)workingtheycanmanagetheir

ownlives.beaskedareallowedstartPracticeHowever,inmostAsiansocieties,itisnotcommonforteenagersto________(move)out.Chineseparentsbelievethatitisbetterforchildrentolivewithparentswhocan_______(take)careofthem.Buttheyoungshouldthenlookaftertheirparentsastheygetolder.ThatiswhymanyChineseadults________(continue)tolivewiththeirparents.movetakecontinuen.社会Practice4cYouandyourfriendarestartinganEnglishclub.Makealistofrulesaboutwhatshouldandshouldnotbeallowed.Tips:1.Workingroups.Anddiscusstherulesaboutwhatweshouldandshouldnotbeallowedtodointheclub.2.Theruleswouldrequireusageofthemodalsshouldandmust.Tips:1.Workingroups.Anddiscusstherulesaboutwhatweshouldandshouldnotbeallowedtodointheclub.2.Theruleswouldrequireusageofthemodalsshouldandmust.P52PracticeForexample:Yes,but