unit4grammar课件

如果分裂，二是表动作已经完成，在意义上相当于一个状语从句，一是表被动的动作，→相当于Oncethecityisvisited…5Althoughpublishedmanytimes，你就永远不会忘记它，hedidalotofthingstohelphisclassmatesGreatlytouchedbytheteacher’swords2Ashewassurprisedatwhathappened，westand;divided，GrammarSumup过去分词作状语，我们就能成功，wecametotheclassroombuilding我们参观了图书馆后，wefall2Movedbythestory，我们来到了教学楼前，我们就会失败，例如：1United，thebookstillsellswellinthemarket虽然这本书已出版好长时间了，hedecidedtostudyharder由于被这个故事感动，→相当于Afterwewereshownaround…4Oncevisited，通常作如下几种状语：1Whenitisseenfromthehill，while，可在过去分词前加上连词when，until等2Don’tspeakuntilyouarespokentoUntilspokento1Becausetheboywasgreatlytouchedbyhisteacher’swords，→相当于Althoughthebookhasbeenpublished…过去分词作状语，他决定更加努力学习，theparklooksverybeautifulSeenfromthehill1时间状语，wefall如果团结起来，westand;if(when)wearedivided，→相当于Becausehewasmoved…3Havingbeenshownaroundthelibrary，但这本书的销售量仍很好，thecitywillneverbeforgotten一旦你参观了这个城市，→相当于If(When)weareunited，Tomdidn’tknowwhattod，