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Leading-in情景导入.I.IfIboughtaticket,Iwouldbeonboard.IfIwereonboard,IshouldsailforAmerica.IfIhadalotofmoney,Icouldbuyaticket.IfIworkedhard,Imighthavemoney.Self-study自主学习.II.非真实条件句UnrealconditionalsUnrealconditionalsstateaconditionorsituationthatisnotrealorisimaginary.Wecanuseunrealconditionalstorefertoanunrealpresentcondition,animaginarypastaction,animaginaryfuturesituation.Cooperationandfinding合作探究.III.IfIboughtaticket,Iwouldbeonboard.IfIwereonboard,IshouldsailforAmerica.IfIhadalotofmoney,Icouldbuyaticket.IfIworkedhard,Imighthavemoney.If从句的谓语形式主句的谓语形式presentdid（were）would/could/should/might+do3.IfI__________(buy)aticket,I___________(be)onboard.4.IfI________(be)onboard,I__________(sail)forAmerica.2.IfI______(have)alotofmoney,I___________(buy)aticket.1.IfI________(work)hard,I__________(have)money.workedwouldhavehadwouldbuyboughtwouldbewerewouldsailMakesomesentencesbyusingthesewords:havemoneylend…tofinishwatchTVplayfootballmakemoneytravelliveahappylifebuyIfIboughtaticket,Iwouldbeonboard.IfIwereonboard,IshouldsailforAmerica.IfIhadalotofmoney,Icouldbuyaticket.IfIworkedhard,Imighthavemoney.Jack:Rose,ifIhadn’twontheticket,Iwouldn’thavebeenonboard.IfIhadn’tbeenonboard,Iwouldn’thavemetyou.Iftheshiphadn’tstruckaniceberg,itwouldn’thavesunk.Ifwehadn’tbeenonboard,wewouldn’thavemetthisdisaster.Iftherehadbeenenoughlifeboats,wewouldhavegotontheboat.If从句的谓语形式主句的谓语形式pasthaddonewould/could/should/might+havedoneIftheshiphadn’tstruckaniceberg,itwouldn’thavesunk.Iftherehadbeenenoughlifeboats,wewouldhavegotontheboat.Ifwehadn’tbeenonboard,wewouldn’thavemetthisdisaster.IfIhadn’twontheticket,Iwouldn’thavebeenonboard.IfIhadn’tbeenonboard,Iwouldn’thavemetyou.1.IfIwerenotbusylastnight,Iwouldhavegonetoseethefilmwithyou.hadnotbeenCorrectthemistakes:2.Ifhedrovemorecarefully,hewouldn’thavehadthecaraccidentyesterday.haddriven3.IfTomhadbeenmorecarefulintheexam,hewouldpassitalready.4.Ifyougotupearlier,youmighthavecaughtthefirsttrain.5.IfImeetyouyesterday,wecouldgototheconcerttogether.wouldhavepassedhadgotuphadmetcouldhavegoneRewritethesentencesusingunrealconditionalsTitanicwassailingonhervoyageforAmerica.1.Jackwonhisthird-classticketinapokergameandmetabeautifulgirlcalledRoseonboard.IfJackhadn’twonhisthird-classticketinapokergame,hewouldn’thavemetabeautifulgirlcalledRoseonboard.Theyfellinloveatthefirstsight.2.Unfortunately,theshipstruckaniceberganditsank.Iftheshiphadn’tstruckaniceberg,itwouldn’thavesunk.3.JackfoundapieceofwoodandletRoselieonitwhilehewasinthecoldwater.4.Becauseofthefreezingwater,Jackdied.5.Atlast,therescueworkerscameandsavedRose.IfJackhadn’tfoundapieceofwood,hewouldn’thaveletRoselieonitwhilehewasinthecoldwater.Ifthewaterhadn’tbeenfreezing,Jackwouldn’thavedied.Iftherescueworkershadn’tcome,Rosewouldnothavebeensaved.BeforeJackdied,hesaid:Rose,ifwewerealive，Iwouldmarryyousomeday.Ifwemarried,wewouldliveahappylifeinthefuture.If从句的谓语形式主句的谓语形式future1.did（were）would/could/should/might+do2.should+do3.weretodoIfwewerealive，Iwouldmarryyousomeday.Ifwemarried,wewouldliveahappylifeinthefuture.1.Ifhe_________________（get）upearlytomorrow,he_______(be)ontime.got/weretoget/shouldgetwouldbe2.Ifyou____________________（get）afullmarknexttime,I___________(treat)youtoawonderfulperformance.got/weretoget/shouldgetwouldtreat3.IfI______________________________(live)inthetwenty-secondcentury,I______________(spend)myvacationinaverydifferentway.4.Ifyou__________________________________(travel)tothemoononeday,you________________(find)itquitedifferentfromtheearth.shouldlive/lived/weretolivewouldspendtraveled/weretotravel/shouldtravelwouldfindSummary归纳总结.IV.If从句的谓语形式主句的谓语形式presentpastfuturedid（were）haddonewould/could/should/might+dowould/could/should/might+havedone1.did2.should+do3.weretodowould/could/should/might+do一般条件句中虚拟语气的用法Practice练习提高.V.Multiplechoice1.Ifallplaces__alike,therewouldbelittleneedforgeographers.A.beingB.areC.beD.were2.Everything_____ifAlberthadn’tcalledthefirefighter.A.willbedestroyedB.willhavebeendestroyedC.wouldbedestroyedD.wouldhavebeendestroyedMultiplechoice1.Ifallplaces____alike,therewouldbelittleneedforgeographers.A.beingB.areC.beD.were2.Everything_____ifAlberthadn’tcalledthefirefighter.A.willbedestroyedB.willhavebeendestroyedC.wouldbedestroyedD.wouldhavebeendestroyed3.Ifitfortheheavyrain,we____theMountEmeiyesterday.A.werenot;couldhaveclimbedB.werenot;couldclimbC.hadnotbeen;couldhaveclimbedD.hadnotbeen;couldclimb4.Youdidn’tacceptmyhelp.Ifweittogether,you___sotired.A.did;didn’tB.do;wouldn’tgetC.weredoing;wouldn’tD.haddone;wouldn’thavegot5.IfI___tenyearsyoungerinthefuture,I______veryhappy.A.were,wouldbeB.am,shallbeC.were,shallbeD.am,wouldbeHomeworkVI.SearchformoreinformationaboutTitanicontheInternet.DiscussionWrite3-5sentencestotalkaboutTitanic(e.g.theship,theaccident,Jack,Rose,theirlove,etc.)ormakeupadialoguebetweenJackandRose.Attention:Youmustuseallofthethreesentencestructuresoftheunrealconditionals.Bye-byeThankyouforyourattention!Forexample:Jack:IfIhadn’tmetyouinmylife,Iwouldhaveregrettedallmylife.Rose:Iftherescueworkerscamenow,wewouldbe