6、概念:表示在过去某一时刻正在进行的动作或过去某一段时间内一直进行的动作。2.结构:助动词was/were+动词的现在分词即V-ing,第一、三人称单数用was,其余用were.★试着完成以下句子①Hecleaninghiscaratnineo’clockyesterdaymorning.昨天早上九点钟他在洗车。②WewereTVfromseventoninelastnight.昨晚七点到九点我们在看电视。53.常用时间状语:1)then/at that time/atthatmoment那时;2)(at)this ti
8、yonmywayhomeA.suddenB.certainC.suddenlyD.certainly()3.They ____ (have) a meeting at 4 yesterday afternoon.A.washavingB.werehavingC.arehavingD.werehasing()4.This time