（人教新目標(biāo)版）九年級(jí)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.社區(qū)；社團(tuán)LeadinTeenagers

shouldnotbegiven

chancestomaketheirowndecisions.Doyouagreeordisagree?chancen.機(jī)會(huì)；可能性makeone'sowndecision自己做決定LeadinThemobilephonemustbekept

awayfrom

teenagers?Doyouagreeordisagree?keep...awayfrom避免接近；遠(yuǎn)離LeadinTeenagers

couldbeeducatedtomanagetheirownlives.Doyouagreeordisagree?educatev.教育；教導(dǎo)managev.完成；應(yīng)付LeadinReadthesentencesagainandpayattentiontotheunderlinedstructures.帶有情態(tài)動(dòng)詞的被動(dòng)語態(tài)結(jié)構(gòu)：情態(tài)動(dòng)詞+be+V-ed1.Teenagersshouldbeencouraged

todosocialworkfortheircommunity.2.Teenagersshouldnotbegivenchancestomaketheirowndecisions.3.Themobilephonemustbekept

awayfrom

teenagers?4.Teenagers

couldbeeducatedtomanagetheirownlives.Presentation主動(dòng)語態(tài)變被動(dòng)語態(tài)的方法Edison

thelightbulb.inventedThelightbulb

主語+謂語動(dòng)詞被動(dòng)語態(tài)(be+V-ed)+介詞+賓語①主動(dòng)語態(tài)的賓語變成被動(dòng)語態(tài)的主語。wasinventedbyEdison.②主動(dòng)語態(tài)的謂語動(dòng)詞變成“was/were+及物V-ed”形式。③主動(dòng)語態(tài)的主語變成by引導(dǎo)的介詞短語放在主謂結(jié)構(gòu)后面，有時(shí)可以省略。Presentation③主動(dòng)語態(tài)的主語變成by引導(dǎo)的介詞短語放在主謂結(jié)構(gòu)后面，有時(shí)可以省略。主語

謂語動(dòng)詞被動(dòng)語態(tài)(情態(tài)V+be+V-ed)介詞+賓語LiMing

shoulddo

it.

It

shouldbedone

byLiMing.主語謂語動(dòng)詞主動(dòng)語態(tài)(含情態(tài)動(dòng)詞)賓語I.含情態(tài)動(dòng)詞的主動(dòng)語態(tài)變被動(dòng)語態(tài)的方法①主動(dòng)語態(tài)的賓語變成被動(dòng)語態(tài)的主語。②主動(dòng)語態(tài)的謂語動(dòng)詞變成"情態(tài)動(dòng)詞+be+V-ed"形式。PresentationII.含情態(tài)動(dòng)詞被動(dòng)語態(tài)的幾種句型：1.肯定句:主語+情態(tài)動(dòng)詞+be+V-ed.Hisbedroom

shouldbecleanedinthemorning.2.否定句:主語+情態(tài)動(dòng)詞+not+be+V-ed.3.一般疑問句:情態(tài)動(dòng)詞+主語+be+V-ed?Hisbedroomshouldn'tbecleanedinthemorning.Should

hisbedroombecleanedinthemorning?Presentation把下列句子改為含情態(tài)動(dòng)詞被動(dòng)語態(tài)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英語中表示同意或不同意的若干方法非常贊同1.Icouldn'tagreemore!

我非常同意!2.That'sabsolutelytrue!

絕對(duì)沒錯(cuò)!4.I'mwithyouonthat.

我同意這點(diǎn)!3.Absolutely!肯定了!5.That'sexactlymyopinion.正是我所設(shè)想的!Practice比較贊同1.Yes,perhaps.

可能吧。2.Well,you'vegotapointthere.你說的還算有點(diǎn)道理。4.Mmm,possibly.

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

我不確定。4.I'minclinedtodisagreewiththat.我不太同意你說的。1.I'mnotsosurereally.

我不是很同意。3.No,Idon'tthinksoreally.不，我不這樣認(rèn)為。Practice3.Idisagreewithyouentirely.

我絕對(duì)不同意你的觀點(diǎn)。1.Youmustbejoking.

你在說笑吧。意見分歧2.Youcan'tbeserious.你不是認(rèn)真的吧。4.Iwouldn'tgoalongwithyouthere.

我想我們不能在這點(diǎn)上達(dá)成共識(shí)。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.社會(huì)Practice4cYouandyourfriendarestartinganEnglishclub.Makealistofrulesaboutwhatshouldandshouldnotbeallowed.Tips:1.Workingroups.Anddiscusstherulesaboutwhatweshouldandshouldnotbeallowedtodointheclub.2.Theruleswouldrequireusageofthemodalsshouldandmust.Tips:1.Workingroups.Anddiscusstherulesaboutwhatweshouldandshouldnotbeallowedtodointheclub.2.Theruleswouldrequireusageofthemodalsshouldandmust.P52PracticeForexample:Yes,but