语法-过去分词作状语和定语

.作状语过去分词1.Whenourfutureschoolisseenfromthespace,ourfutureschoollookslikeaplate.Seenfromthespace,ourfutureschoollookslikeaplate.hetwosentencesWhenitisseenfromthehill,theparklooksverybeautiful.Seenfromthehill,thepark…可在过去分词前加上连词when,while,until等来强调时间概念。Don’tspeakuntilyouarespokento.Don’tspeakuntilspokento.1.时间状语(time)2.BecauseSheissurprisedattheschoolbag,sheturnsherheadbacktofindoutwhathappens.Surprisedattheschoolbag,sheturnsherheadbacktofindoutwhathappens.Ourfutureschoolbag2.原因状语(cause)Becausetheboywasgreatlytouchedbyhisteacher’swords,hedidalotofthingstohelphisclassmates.Greatlytouchedbytheteacher’swords…Becausehewassurprisedatwhathappened,Tomdidn’tknowwhattodo.Surprisedatwhathappened…3.IfIamgivenatimemachine,Iwillpayavisittothefuture.Givenatimemachine,Iwillpayavisittothefuture.atimemachine