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过去进行时1 含 义：（概念） 表示过去某个时刻正在进行的动作。（或过去一段时间正在进行的动作）2. 句子结构: ： be (was/were) + doing即：主语 + was/were + doing sth. + 时间状语 3. 时间状语词:at 8 oclock last night/this time yesterday /at 5:00 yesterday afternoon/at that time, then 等连用( 或者用另一动作来表示过去的时间) 表示过去某个时刻正在进行的动作。例 句： What were you doing at nine last night? 昨晚九点你正在干什么？ I was taking a shower at nine last night. 昨晚九点我正在洗澡.They were playing basketball at 5 oclock yesterday afternoon. 昨天下午五点他们在打篮球。 ：表示在过去某一时间内正在进行的动作。 She was writing a letter when I came in. 我进来时，她正在写信。 The barber was cutting my hair when they arrived. 他们到达时，理发师正在给我剪头发。 What were they doing at 10:30Last Monday ?They were running. What were you doing at 10: 10 yesterday morning?I was going shopping. Where was she at 9:00 yesterday?I think she was in/atShe was sweeping the floor at that time.at 9:00 last night Tom What _ Tom _ at 7:30 this morning?She _ _ _ at 7:30 this morning.was doingwas cooking breakfast One point What _ they _ from 8 to 9 last night?They_from 8 to 9 last night.were doingwere talking on the phoneOne point What was Alice doing when I got out of the shower from the bathroom?She was playing the piano. Talk about the picturesWhat were they doing yesterday afternoon?1 2 3 I wasWe were cooking a meal.playing volleyball.having a PE class.watching TV.working in the chemistry lab.Sweeping the floor.making a model .feeding my dog.What were you doing last night?last Saturday?at ten oclock?yesterday morning?at noon yesterday?Yesterday afternoon? Pairwork:Patterns:A: What were you doing at nine oclock last Sunday morning?B: I was sleeping. How about you?A: I was doing my homework.B: You are kidding when 和while的用法区别1.when 既 指 时 间 点 ， 也 可 指 一 段 时 间 ; while只 指 一 段 时 间 . 2.when 说 明 从 句 的 动 作 和 主 句 的 动 作 可 以 是 同时 ， 也 可 以 是 先 后 发 生 ； while 则 强 调 主 句 的 动 作 在 从 句 动 作 的 发 生 的 过程 中 或 主 从 句 两 个 动 作 同 时 发 生 。 When the UFO landed, the boy was walking down the street. =While the boy was walking down the street, the UFO landedMy mother was cooking dinner while my father was watching TV. (1) “当的时候”,如后面连接的动词为进行时态,则用while多于用when。而when通常与瞬间性动词或延续性不强的动词连用。(2) 如果while前后的动词都是进行时态,while可译为“与此同时” I was reading while my brother was drawing. A: What were you doing when the traffic accident happened?B: We were having a party.traffic accident What were they doing when the plane took off?They were swimming in the river.take off What was Alice doing when I got out of the shower from the bathroom?She was playing the piano. 过去进行时着重描述当时正在持续进行的动作，它的特点是：暂时，持续和未完成，强调过程；一般过去时表示发生过的动作或存在的状态，即表示动作发生过，而且已经结束了，强调结果。 过去进行时侧重表示动作延长的时间长度; 一般过去时表示过去某时发生过某事，侧重说明事实。 He _ a letter last night. （过程描写，他一直写，不一定完成） He _ a letter last night and posted it this morning （只说明他写了的事实，动作已结束）was writingwrote相同的过去时间可能会有不同时态 注：下列几类动词通常不用过去进行时。 表示状态的动词 be； 感官动词：feel, hear, see, smell, taste等; 表示思维或心理状态的动词：believe (认为), forget, consider, know, remember, hope, wish, want 等； 表示所属关系的动词：belong, have, own, hold (容纳)等。 ExercisesChoose “when” or “while” to fill in the blanks. (1)I was walking in the street _ the accident happened. (2)_ you have a meeting, you should turned off your mobile phone. (3)_ you have PE class, you should wear sports shoes. (4)_ I was doing my homework, the telephone rang. (5)_ it was raining, the plane took off. (6)_ the teacher was speaking to class, Nick stood up suddenly. whenwhenwhenwhilewhilewhile 用所给动词的适当形式填空：1. We _ (wash) our clothes at six yesterday evening.2. While Ann _ (talk) with her desk mate, the teacher came in.3. Look! Mary _ (clean) the room.4. What _ you _ (talk) about just now?-We were talking about the movie.5. They _ (move) to Paris last month. 6. He _ (read) a novel from 8 to 12 yesterday morning.7. What _ he _ (do )at five oclock yesterday afternoon.8. He _ (watch) TV when I came in.9. She _ (do) her homework while her mother _ (cook).10. He _ (wait) for me when the train arrived. Summary: 过 去 进 行 时 的 构 成 ：1.概 念 :表 示 过 去 某 个 时 刻 或 过 去 一 段 时 间正 在 进 行 的 动 作 .2.公 式 :主 语 +was/were+doing sth +时 间状 语3.指 示 词 :then, at that time, once, 等 连 用 ,或 者 用 另 一 动 作 来 表 示 过 去 的 时 间 .
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