Lesson48：UnitReviewGroupwork:MakeasurveyReviewwordsReviewwordsReviewwordsReviewphrasesReviewphrasesKeystoEx.1__AKeystoEx.1__BAdverbialClauses(状语从句)1.时间状语从句引导词：when,while,as,before,after,assoonas,until,since注意：主句为将来时，从句用一般现在时代替。2.条件状语从句引导词：if注意：主句为将来时，从句用一般现在时代替。3..原因状语从句引导词：because,since,as4..目的状语和结果状语从句引导词：sothatAdverbialClauses(状语从句)5.比较状语从句引导词：as…as,notas(so)…as,than6.让步状语从句引导词：though,evenif7.地点状语从句引导词：whereKeystoEx.IV.AABBDDDBACDKeystoEx.IV.B1.Becauseitisnoteasyforustodiscoverthingsaboutwhatoccupations.2.a.I’llworkhard...b…c…3.Imightaskhimwhatittakestobecomeadoctor.Reviewthewordsandphrasesinthisunit.Finishtheexercisesinthepaper.