Unit5 过去进行时 2022-2023学年人教版八年级英语下册

过去进行时 一定义 1. 表示过去某个时刻正在进行的动作 Eg.He was taking a shower at 7 o’clock yesterday morning. 2. 表过去某个时间段正在进行的动作。 Eg.He was listening to music the whole morning. 二.构成（was/were doing） 动词现在分词的变化规则: 1.一般情况下，直接在动词之后+ing. play--playing study—studying 2.以不发音的e结尾的动词，去e再加ing. take--taking dance—dancing 3. 重读闭音节的动词，双写尾字母再加ing. cut--cutting swim—swimming 4. 以ie结尾的动词，把ie变为y再加ing. lie--lying die--dying tie—tying 三．基本句式 1.肯定句：主+was/were doing+其他 I was taking a shower at eight last night. 2.否定句：主+ was/were+not doing+其他 I was not taking a shower at eight last night. 3.一般疑问句：Was/Were+主+doing+其他？ Were you taking a shower at eight last night. 4.特殊疑问句：疑问词+ Was/Were+主+doing+其他？ What were you doing at eight last night? Who was taking a shower at eight last night. 四．常见时间状语 1.at nine last night，from five to six，at that time，at 5:00 p.m.yesterday，the whole morning，all day yesterday 2. 与when， while引导的过去时间状语从句连用。 重难点：while与when区别 （1）共同点：1）引导时间状语从句 2）when和while都可表示“当……的时候” （2）区别： 1）主从句时态问题： 一般过去时 过去进行时 过去进行时 while 一般过去时 过去进行时 一般过去时 过去进行时 When 总结：（长：进行时 短：一般时） When 后可长可短 While后必长 两长必while（be doing while be doing） 常见考法：①when从句（一般过去时态） 主句（过去进行时态） ②while从句（过去进行时） 主句（一般过去时） 五．通常不能用于过去进行时的动词主要有:agree， be， believe, belong, care, forget, hate, have(拥有), hear, know, like love, mean, mind, notice, own, remember, seem, suppose, understand, want，wish等 例如: 误:I was knowing the answer. X 正:I knew the answer.我知道答案.√ 六．过去进行时VS一般过去时 1.一般过去时——表示在过去某个时间发生了的动作或存在的状态。（强调完整的动作、强调动作） 过去进行时——表示在过去某一时刻或某段时间正在进行的动作。（强调过去正在进行的动作、强调过程） 例如：They were writing letters to their friends last night. （强调写信这个动作） They wrote letters to their friends last night. （说明了他们已写好信，强调写信这个事实） 七练习： 1. Sally took a photo of her friends while they _____________ (play) computer games. 2. Just a minute! My brother ___________ (wash) his car in the garden. 3. — Can Peter play games with us, Mrs. Hawking? —Wait a minute. He _________ (take) a shower. 4. My uncle __________ (read) books in the room at