山东省滨州市邹平实验中学八年级（下）英语《Unit3 Do you remember what you were doing》课件1.pptVIP

* 过去进行时 动词构成 was/were +doing 否定：was/were not doing 一般疑问句：was/were 提前 二 用法：1 主要表示过去某个时刻或某一阶段正在进行的动作，常和表示过去时间的状语then，at this/that time，，at nine yesterday， it was 8 o’clock，等连用。但在不少情况下，没有表示时间的状语，这时需要通过上下文来表示。 2 当两个一长一短的动作在过去某时间同时发生时，用过去进行时表示较长的动作。较短的动作用过去时。过去进行时可用于主句，也可用于从句。而一般当两个延续动作同时并行时，二者都可用过去进行时表达。常与when , while 连用。 While 后一般用进行时 when “当…的时候”，是at that time的意思，表示做某种动作的时间或瞬间。常与一般现在时或一般过去时连用。 When winter comes, the weather gets colder and colder. 当冬天来临时，天气变得越来越冷。 When Linda saw Davy, he was jumping with another dog. 当Linda看到Davy时，他正和另一只狗一起蹦跳着。 while “当…的时候”，是during the time的意思，表示略长的一段时间。常与现在进行时或过去进行时连用。 Mr. White was reading a newspaper while he was waiting for a bus. 怀特先生边等车边看报。 I am doing my homework while my mother is cooking. 我做作业的时候，我妈妈在做饭。 Eg: 1 It was raining hard when I left my office. 当我离开办公室时，雨下得正大。 2 While I was cleaning the windows， my brother was sweeping the floor. （当）我在擦窗户的时候，我弟弟在拖地。 3 Some students were playing football，while others were running round the track. 一些学生在踢足球，同时别的学生正在跑道上跑步 1. I _____________ (have) my breakfast at half past six yesterday morning. 2 Mary _______ (go) over her lessons from six to seven last night. John and peter ________(do) the same thing. 3. What _____ you _______ (do) at that time??? We _____ ________(watch) TV. 4. Was your father at home yesterday evening? Yes ,he was. He ______________ (listen) to the radio. 5. They ________________(not make) a model ship when I saw him. 6. _____ they ______ (have) a meeting at 4 yesterday afternoon? No, they _____. They ____________ (clean) the classroom. 7. ______ it ______(rain) when you left school?? Yes, it ______. (No, it ________) 8. When the bell rang, Jenny _____________ (wait) in her seat. was having was doing were doing were having were