UnitUnit88OxfordEnglishModule4ColourfullifeFromhobbytocareerFromhobbytocareerPeriodPeriod33GrammarGrammar1GrammarAGrammarAAdverbialclausesoftime(Adverbialclausesoftime(whenwhen))WhendidPatrickgetabookaboutthestars?nhewaseight,hegotabookaboutthe何时当……时adverbialclausesoftime时间状语从句mainclause主句LookandthinkLookandthinkWhenhewaseight,hegotabookaboutthestars.Lookatthefollowingsentencesandanswerthequestions.Hegotabookaboutthestarswhenhewaseight.•Dothesentenceshavedifferentmeanings?•Whatisthedifferencebetweenthetwosentences?•Whatchangehasbeenmadeinpunctuation(标点符号)?Wecanusetheconjunctionwhentoformanadverbialclausesoftime.Itlinkstwoclausesintoonesentence.AdverbialclausesoftimeAdverbialclausesoftimeWhendoesthishappen?WorkouttheruleWorkouttheruleWorkouttherule其具体体现在以下几个方面:1.从句的动作和主句动作同时发生,意为“当……时;在……的时候”,例如:(1)Helikedplayingbasketballwhenhewasyoung.(2)WhenLucywastenyearsold,shewasinterestedinplayingthepiano.2.从句的动作发生在主句动作之前,例如:(1)Whenyougetthere,pleasetellLucytocallmeback.(2)Comeheretoseemewhenyoufinishyourhomework.3.我们也可用after,before,until,assoonas等连词引导时间状语从句。如:BeforeMarywenttobed,shedranksomemilk.Afterhewasheshishands,heeatscakes.Ididn’tgetupuntilitwas10a.m.IwillcallyouassoonasIgetthere.注意:当主句是将来时的时候,从句要用一般现在时。—IwanttoknowwhenMr.Brownwillarrive.—Whenhe______,Iwilltellyou.A.willarriveB.arrivedC.arrivesD.arriveThingstorememberThingstoremember2GrammarexerciseGrammarexerciseMatchtheclausesincolumnAwiththoseincolumnBtomakecompletesentenceswithwhen.Now,rewriteeachsentencewiththeadverbialclauseatthebeginning.Whenshevisitsherfriends,shealwaysbringsapresent.WhenhewatchesTV,hesitsonthefloor.Whenhewasill,hestayedinbed.Whenshegoesshopping,shetakesabasket.3GrammarBGrammarBusedto/didnotusetousedto/didnotusetoGrouppresentationGrouppresentationIngroupsoffour,makesentenceswith“usedto”and“didnotuseto”,andthenpresentthosesentencestotheclass.usedto/didnotuseto...