before-after-not[1]...until的用法

before,after,not…until第一步呈现对比句，理解句子意思，关鍵要找准从句，理清动作发生的先后顺序。IhadbreakfastbeforeIwenttoschoolyesterdaymorning.=IwenttoschoolafterIhavebreakfastyesterdaymorning..=Ididn’tgotoschooluntil(before)Ihadbreakfast.第二步同步操练：1.Doyourhomeworkfirst.Thenyoucandance.(同义句转换)Doyourhomework________youdance.Youcandance___________youdoyourhomework.Youcan’tdance__________youdoyourhomework.2.ShewatchedTVaftershefinishedherhomework.(同义句转换)She____________________TV________she___________herhomework.3.Tom’sfathercamehome.Tombegantodohishomework.(改写为复合句)Tomdidnot___________________________________hisfathercamehome.4.Iwillbelieveitwhenisseeitwithmyowneyes.(同义句转换)I____________it_____________Iseeitwithmyowneyes.5.our/tired/museum/visit/were/after/the/we/to/.(连词成句)___________________________________________________6.the/the/until/door/stops/wait/open/train/before/you/.(连词成句)___________________________________________________7.Hurryup,Jack.Wehavetogettothestation___11:45sothatwecancatchthe12:00train.A.sinceB.afterC.beforeD.until8.______theydriveanyofhebuses,theywillhavetopassaspecialtest.A.BeforeB.AfterC.WhenD.While9.Theforeigners________arrive________yesterday.A.won’t…untilB.didn’t…untilC.not…untilD.didn’t…since10.________thecoldweatherbegan,thegrasshoppercouldn’tfindanyfoodtoeat.A.JustbeforeB.SoonafterC.WhileD.Until11.我哥哥昨晚直到12点才睡觉。Mybrother_________gotobed________12o’clocklastnight.