过去进行时 详细讲解及配套练习（24张）

　　　 过去进行时 * 过去进行时: 表示在过去某一时间内正在进行的动作。 过去某一点时间正在进行的动作或某段时间 内一直进行的动作。 基本结构：was/ were + doing +过去某一具体时刻 否定形式：was/were + not + doing. 一般疑问句：把was或were放于句首。 过去进行时的标志词:at 8 o‘clock last night, at this time yesterday , at that time, at that moment, at ten o'clock yesterday等。 过去进行时 * Before the English class on Monday. What are they drawing? It is now Wednesday. Do you remember what was happening before the English class? What was Li Lei doing when the teacher came in? He was drawing an elephant. On Monday ... What was Han Mei doing when the teacher came in? She was drawing a cat. What was Jim doing when the teacher came in? He was drawing a lion. What were the twins doing when the teacher came in? They were drawing a car. What are/is -------doing right now? Mary read now. (at this time yesterday) is ing (at four yesterday afternoon) They play football now. are ing What were they doing at seven last night? __