九級英語全冊Unit7TeenagersshulbeallwethsetheirwnlthesSetinA(Grammarus4)課件新版人教新目標版

Unit7Teenagersshouldbeallowedtochoosetheirownclothes.SectionA(GrammarFocus-4c)學習目標Keywords&phrases:community,keep…awayfrom,chance,makeone’sowndecision,educate,manage,societyKeysentences:1.InmanyWesterncountries,teenagersisallowedtomoveoutateighteen.2.DoyouthinkteenagersshouldbekeptawayfromtheInternet?ModalVerbs+PassiveVoice接龍幻燈片上單詞或短語出現(xiàn)時，同學應迅速讀出并說出中文意思。每人一詞，按行/列依次接龍，3秒內(nèi)說不出，此行/列同學即失去此答題機會，下一行/列同學接續(xù)。cryliftpoemfieldtalkbackmanagehugbadlyawfulsocietycommunityeducatesmokeregretsafetylicensechanceReview一般現(xiàn)在時的被動語態(tài)在英語中，動詞有兩種語態(tài)，即主動語態(tài)和被動語態(tài)。被動語態(tài)的基本結(jié)構(gòu)是“助動詞be+及物動詞的過去分詞”，其中助動詞be有人稱、數(shù)和時態(tài)的變化,其變化規(guī)則與be作為連系動完全一樣。1.一般現(xiàn)在時被動語態(tài)的各種句式結(jié)構(gòu)肯定式主語+am/is/are+過去分詞（+by…)否定式主語+am/is/are+not+過去分詞

(+by…)疑問式Am/Is/Are+主語+過去分詞(+by…)?特殊疑問詞+am/is/are+主語+過去分詞（+by...)?助記：被動不離“be”“p.p.”,“p.p.”前面助動be。主謂一致莫忘記，am,is,are現(xiàn)在時。2.一般現(xiàn)在時被動語態(tài)的基本用法

用法

示例表示經(jīng)常性或習慣性發(fā)生的被動動作Iamoftenaskedthequestionbymypupils.

表示近期正在發(fā)生的被動動作ThesedayspeoplearemovedbyateachernamedZhangLili.描述某種常態(tài)化的被動的客觀事實Thespaceshipismainlycontrolledbycomputer.強調(diào)目前存在的針對行為主體人的被限制性動作Youaren’tallowedtotakephotos.A:Whenwasthezipperinvented?B:Itwasinventedin1893.A:Whowasitinventedby?B:ItwasinventedbyWhitcombJudson.A:WhenwasteabroughttoKorea?B:ItwasbroughttoKoreaduring6thand7thcenturies.A:Whenweretheshoeswithlightsinvented?B:Theywereinventedlastyear.A:Whatisthehotice-creamusedfor?B:It'susedforservingreallycoldice-cream.ActiveVoice主動語態(tài)_____________________invented_____________in1876PassiveVoice被動語態(tài)Thetelephone

wasinvented(byAlexanderGrahamBell)in1876.AlexanderGrahamBellthetelephonesubject主語object賓語賓變主，謂被動，主語放在by后3.主動語態(tài)變?yōu)楸粍诱Z態(tài)的方法時態(tài)謂語動詞形式一般現(xiàn)在時am/is/are+done一般過去時was/were+done一般將來時willbedone/be(am,is,are)goingto+bedone現(xiàn)在進行時am/is/are+beingdone過去進行時was/were+done現(xiàn)在完成時have/has+beendone過去完成時had+beendone過去將來時Wouldbedone/be(was,were)goingto+bedone句式結(jié)構(gòu)示例肯定句主語+情態(tài)動詞+be+及物動詞的過去分詞(+by…)Teenagersshouldbeallowedtogoshopping.否定句主語+情態(tài)動詞+not+be+及物動詞的過去分詞(+by…)Thewordcan’tbeusedinthissentence.一般疑問句情態(tài)動詞+主語+be+及物動詞的過去分詞(+by…)?Musttheworkbefinishedtoday?特殊疑問句特殊疑問詞+被動語態(tài)的一般疑問句？Whoshouldbeaskedforhelp?含有情態(tài)動詞的被動語態(tài)含有情態(tài)動詞的主動句變?yōu)楸粍泳鋾r，謂語動詞部分改為“情態(tài)動詞+be+及物動詞的過去分詞”。WecanwriteLetterscanbewritten

lettersinEnglish.inEnglishbyus.改為被動語態(tài)點撥Idon’tthinksixteen-year-oldsshouldbeallowedtodrive.Iagree.Theyaren’tseriousenough.Doyouthinkteenagersshouldbeencouragedtomaketheirowndecisions?No,Idon’tagreewiththis.Teenagersaretooyoungtomaketheirowndecisions.GrammarFocusTeenagersshouldnotbeallowedtohavepart-timejobs.Idisagree.Theycanlearnalotfromworking.Doyouthinkwemaybeallowedtotakephotosifwedon’tuseaflash?Ifyoudon’tuseaflash,thenitmaybeOK.用所給詞的正確形式填空：1.Teenagersshouldbe_________(allow)tochoosetheirclothes.2.Sixteen-year-olds_____(be)notallowedtodrive.3.Heshouldstop_________(wear)thosesillyearrings.4.Youngpeopleneed________(sleep)about8hoursatleast.allowedarewearingtosleepExercises5.Weshouldpassthetestinsteadof_________(fail)thetest.6.Wehavealotof_______(rule)atschool.7.Ithinkyourfather____(be)strictwithyou!8.Youhaveto______(be)18beforeyouareallowedtodrive.failingrulesisbeYoumustcleanyourbedroomeveryday.Yourbedroommustbecleanedeveryday.2.Iwilldothehouseworkintheafternoon.Thehousework

.3.Parentswillencouragetheirparentstodosocialworkfortheircommunity.Children__________________________________

__________________________________________.shouldbeencouragedtodosocialRewritethesentencesaccordingtotheexample.workfortheircommunity(byparents)4awillbedoneintheafternoonDoyouthinkwemustkeepteenagersawayfromtheInternet?Doyouthinkteenagers____________________________________?Parentsshouldgiveteenagerschancestomaketheirowndecisions.Teenagers________________________________________________________.mustbekeptawayfromshouldbegivenchancestomaketheirowndecisions(byparents)theInternetLanguagePoints知識點知識點1chance/t?ɑ?ns/，/t??ns/n.機會；可能性eg：Therewillbemanychancesformetotalktoher我將有許多機會與她交談。chance作可數(shù)名詞，意為“機會”，表示“做某事的機會”，其后可接todosth.或ofdoingsth.。eg：Itisagoodchancetostudy(ofstudying)English.這是一個學習英語的好機會。(1)chance意為“可能性”，作可數(shù)名詞或不可數(shù)名詞,通常后接“of+動詞的ing形式”或由that引導的同位語從句，表示“做某事的可能性”。eg：Thereisnochancethathewillchangehismind他不可能改變主意。拓展(2)【重點&易錯】chance的常用搭配chancenochance不可能bychance偶然，意外地givesb.achance給某人一次機會haveachancetodosth.有機會做某事takea/one’schance冒一冒險，碰碰運氣TheNewSilkRoadwillofferagood________fornationstocommunicate.(安徽)A.chanceB.habitC.questionD.price【點撥】用詞義辨析法。chance機會；habit習慣；question問題；price價格。句意：絲綢之路將會為各個國家交流提供一個好的。從語境知，這里指的是提供一個好的機會。典例Fillintheblankswiththecorrectformsofthewordsinbrackets.Shouldteenagers___________(ask)tomoveoutwhentheystartworking?InmanyWesterncountries,teenagers___________(allow)tomoveoutateighteen.Theirparentsbelievethatbeaskedareallowed4btheyshouldbeeducatedtotakecareofthemselvesfromayoungage.Thisway,whenthey_______(start)workingtheycanmanagetheirownlives.However,inmostAsiansocieties,itisnotcommonforteenagersto_______(move)startmoveout.Chineseparents