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课件网) Grammar Unit 8 Safe and sound Learn the differences between 'when', 'while', and 'as' and practice their correct usage By the end of this lesson, students will be able to: learn the use of the past continuous tense use the past continuous tense to write about an emergency or a natural disaster that happened in your hometown, or one you heard about A Past continuous tense Suzy: There was an accident near our school at 4:10 yesterday afternoon. It happened as we _____ home from school. Amy: I know. I saw it while I _____ my bike home. It _____ when the police arrived. Suzy: I didn't see it. I hope no one was badly hurt. Past continuous tense Listen to the conversation below and fill in the blanks. were going was raining was riding We use the past continuous tense to talk about things that were happening at a particular time in the past. We form the past continuous tense like this: _____ + v-ing. was/were 过去进行时表示过去某个时刻或某一时段正在进行的动作。 ① I was watching TV at eight last night. 昨晚八点我正在看电视。 ② He was waiting for the bus at this time yesterday. 昨天这个时候他在等公交车。 1. 定义 过去进行时 常与过去进行时连用的时间状语有： at this time yesterday / at 9:00 last night / the whole morning 等。 We weren't watching TV at that time. 那时我们没有看电视。 She was eating breakfast at 6 am yesterday. 她昨天早上6点在吃早餐。 否定句: 肯定句: 2. 结构 主语 + was/were + V-ing +其他. 主语 + wasn't/weren't + V-ing + 其他. - Were you playing basketball at that time - Yes, we were. / No, we weren't. —那时候你们在打篮球吗？ —是的，我们是。/不，我们没有。 一般疑问句: 肯定回答：Yes, 否定回答：No, + 主语 Was/Were + V-ing +其他 主语 + was/ were. 主语 + wasn't/weren't. 特殊疑问句： What were you doing at 7:00 last night + 主语 疑问词 +V-ing + was/were +其他 你昨晚7点在做什么？ I was having breakfast at 7:00 am yesterday. 7:00 am yesterday * 过去进行时表示过去某一时刻正在进行的动作。时 间点可以用介词短语、副词或从句来表示，也可由 上下语境暗示。 3. 用法 2. 过去进行时表示过去某阶段一直在进行的动作。 from 1982 to 1998 From 1982 to 1998, she was teaching at Yale. 3. 过去进行时常出现在讲故事的情境中。 ① Alice was sitting with her sister by the river and her sister was reading a book. ② While she was falling, she was thinking about her cat, Dinah. 4. 短暂性动词，如decide、stop等。 有些动词通常不用于进行时，主要有： 1. 表示心理状态、情感的动词，如love、hate、like、know等。 2. 部分连系动词，如seem、appear等。 3. 感官动词，如see、hear、feel、smell、sound、taste 等。 Look at the pictures. Where were these people at 3 o'clock yesterday afternoon And what were they doing Write two sentences for each picture. 1. Rachel was at home. She was watching TV. 2. Jack and Kate _____ They _____ were at the cinema. were watching a film. 3. Tom _____ 4. _____ _____ 5. _____ _____ was in his car. He was driving. Tracey was at the station. She was waiting for a train. Mr and Mrs Hall were in the park. Th ... ...
