(
课件网) 过去进行时 学习目标 学习目标 能够通过感知，观察和练习，归纳出过去进行时的含义，构成，标志及各种句式结构，区分when 和while 的用法 学习重点 构成： was/were + doing 否定式： was/ were not + doing 疑问式： Was/ were……doing 学习难点 When 和while 的用法 What is the girl doing She is having dinner What is he doing He is writing. What are they doing They are playing football. The Present Continuous Tense 意义： 表示现在正在进行的动作或正在发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作 构成： be(am/is/are) + doing 否定式： am/is/are not + doing 一般疑问式： Am/Is/Are……doing What was she doing at this time yesterday She was having an English class. What were they doing at 6 a.m yesterday They were running. --Was he watching TV at that time --No, he wasn’t. He wasn’t watching TV. He was playing computer games. 过去进行时 的用法 1.含义：表示_____ 的动作 2.需要满足的条件： ① _____ ②_____ 3.结构： _____ 过去某个时刻正在或持续发生 过去发生的 正在进行的或持续发生 was/were + doing 标志时间状语 at that time = then at this time yesterday (morning/afternoon/evening) at eight last night when/while引导的时间状语从句 思考一下： 过去进行时与现在进行时有什么不同？ 过去进行时 的用法 肯定句：主语+was/were doing+其他 否定句：主语+was/were not doing+其他 疑问句：Was/Were 提前 Yes, ......was/were. No ,......wasn't/ weren't. 特殊疑问句：Wh— + （过去进行时）一般疑问句？ 现在进行时 与 过去进行时 的区别 now, Look! Listen! at the moment am/is/are + doing 结构 表示现在正在进行或现在某段时间一直在发生的动作。 含义： was/were + doing 结构 at this time of + 时间点, at 8:00 yesterday evening when + 过去时... 时间状语 We are having an English class. We were staying at home. 含义： 表示过去某个时刻 正在进行或过去某个时间段一直在发生的动作。 时间状语 1. 含义不同。 2. 句型结构中的be动词时态 不同。 3. 时间状语不同。 I saw Bob in the garden. He _____ flowers there. waters is watered has watered was watering 练一练-选择题 --Jane, I rang you up last night but nobody answered. --oh, I _____ walks in the park then. have taken were taking was taking had taken 练一练-选择题 -- You didn’t watch The Wandering Earth last night -- No. I _____ for my English test to be held next week. study was studying am studying will study 练一练-选择题 -- Jim, what did I say just now -- Sorry, I don’t know. I _____ the math problem. think about was thinking about thought about have thought about 练一练-选择题 Mike _____ the furniture into his new flat this time yesterday. would move has moved was moving had moved 练一练-选择题 when和while都可表示“当……的时候”，引导时间状语从句。When和while可以用来引导过去进行时，表示两个动作同时发生或先后发生。 过去进行时中 的while 和 when 过去进行时态中，我们该如何判断时间状语从句是用when来引导还是while来引导呢？ 我们需要知道以下三点， 时间状语从句 延续性动词 非延续性动词 时间状语从句 I will come here tomorrow. I am watching TV now. I visited my grandpa last Sunday. 时间状语 I will come ... ...
