Unit 6 When disaster strikes 语法课件-2025-2026学年初中英语外研版（2024）八年级上册

e7d195523061f1c03a90ee8e42cb24248e56383cd534985688F9F494128731F165EE95AB4B0C0A38076AAEA07667B1565C446FC45FF01DFB0E885BCDBDF3A284F3DB14DA61DD97F0BAB2E6C668FB4931DED5FAA0CB712CCE3A8845E13BB5882E1352BF22D26D5F889C90B42F014C0DB8B9700B82FD7A626842B96845E6A0164C1A1A1CC5D02DFC6C Unit 6 When disaster strikes Grammar rules 1 Grammar rules Read the sentences from the reading passage and summarise the grammar rules. 1)That night, I was sleeping when the ground shook very hard. 那天晚上，我正在睡觉，突然地面剧烈摇晃起来。 Grammar rules Read the sentences from the reading passage and summarise the grammar rules. 2)We moved on while the cloud was spreading over the land like a flood. 我们继续前行，此时乌云像洪水一样在大地上蔓延开来。 Grammar rules Now find more sentences with the correct structures in the reading passage. My mother and I were staying in a town near Pompeii. 我和母亲当时住在庞贝附近的一个小镇上。 Infinitive of purpose By six o’clock the next morning, many buildings were still shaking. 到第二天早上六点，许多建筑物仍在摇晃。 Grammar rules Now find more sentences with the correct structures in the reading passage. All around us, women were calling, children were crying and men were shouting. 我们周围，女人在呼喊，孩子在啼哭，男人在叫嚷。 Infinitive of purpose People were trying to find their families in the dark. 人们在黑暗中寻找自己的家人。 Grammar rules Complete the sentences with the correct form of the verbs in the brackets. 1. People _________________(sleep) when the volcano erupted. 2. While they _________________(walk) along the river, a great storm broke out. 3. While the hurricane _________________(blow) heavily, airlines could not fly in the area. 4. The fire _________________(spread) quickly and _______________(cover) the building when I heard a voice. to do as objective complement was sleeping were walking was blowling was spreading was covering Grammar rules Past continuous tense 过去进行时 定义一:表示过去某一时刻或某一时段正在进行的动作。常与then,at this/that time, yesterday, at...last night等时间状语连用。 —What were you doing at 7 am yesterday? 昨天早上七点钟你在做什么？ —I was having breakfast. 我在吃早餐。 Grammar rules Past continuous tense 过去进行时 定义二:表示在过去的时间点时，将要发生或者计划要做的事。（仅限于come,go,leave 这类动词） He was busy packing, for he was leaving that night. 他忙着收拾行李，因为他当晚就要走了。 Grammar rules Past continuous tense 过去进行时 定义三:表示经常重复的动作。和always ,constantly这类状语连用（带情绪、感情色彩） He was always ringing me up early in the morning. 他总是一大早给我打电话。（厌烦） The customer was constantly changing her mind. 这位顾客的想法总是改变。（不以为然） Grammar rules Past continuous tense 过去进行时 定义四:用来描述故事中的景象或动作等。 Alice was sitting with her sister by the river. 爱丽丝正在和姐姐坐在河边。 They were having a tea party in the garden. 他们正在花园里举行茶会。 Grammar rules Past continuous tense 基本结构： 主语+be ＋v-ing(现在分词)+其他 be动词要与主语的人称和数保持一致；be动词：was/were “是” 动词现在分词的变化规则 1.一般情况下在动词词尾+ing eg: go-going/look-looking/find-finding 2. 以不发音的e结尾的动词，去掉e+ing eg:have-having/write-writing 3. 以一个辅音字母结尾的重读闭音节（辅元辅结构），双写最后一个字母，+ing eg: stop-stopping/ run-running/begin-beginning 4. 特殊形式 eg: lie-lying /die-dying Grammar rules the present perfect tense 肯定句：主+be(was/were) +v-ing+其他. 否定句：主+be+not(wasn’t/weren’t)+v-ing+其他 一般疑问句：Be(Was/Were)+主语+v-ing+其他? Yes,主语+was/were. No,主语+wasn’s/weren’t. 特殊疑问句（问什么答什么）： 特殊疑问词+be(was/were)+主语+v-ing+其他？ Grammar rules the present perfect tense 肯定句：主+be(was/were) +v-ing+其他. I was reading a book at that time. 我当时在读书。 They were playing basketball at 4 pm yesterday. 昨天下午4点钟，他们在打篮球。 Grammar rules the present perfect tense 否定句：主+be+not(wasn’t/weren’t)+v-ing+其他 We weren’t doing anything at that time. 那时我们什么都没做。 was not=wasn’t were not= weren’t Grammar rules the present perfect tense 一般疑问句：Be(Was/Were)+主语+v-ing+其他? Yes,主语+was/were. No,主语+wasn’s/weren’t. Were students talking when the teacher came in? 老师进来的时候，学生们在说话吗？ Yes, they were/No, they weren’t. Grammar rules the present perfect tense 特殊疑问句（问什么答什么）： 特殊疑问词+be(was/were)+主语+v-ing+其他？ What were you doing while we were singing? 我们唱歌的时候，你们正在做什么？ We were dancing while you were singing. 你们唱歌的时候我们正在跳舞。 Grammar rules 过去进行时与when, while, 引导的表示过去的时间状语从句连用，形成复合句。需注意： to do as objective complement when 引导的时间状语从句既可以指时间点，也可以指时间段。动词既可以是终止性动词，也可以是延续性动词； 我们吃饭的时候，他们到了。 while引导的时间状语从句只指时间段，动词必须是延续性动词。 They arrived while/when we were having dinner. Grammar rules 过去进行时与when, while, 引导的表示过去的时间状语从句连用，形成复合句。需注意： to do as objective complement when引导的时间状语从句，如果主句用过去进行时，从句用一般过去时，则表示一个动作正在进行时另一个动作(突然)发生了。强调后一动作发生的突然性。如果用while表达则不强调突然性。 我们正在唱歌我的父母(突然)进门了。 We were singing when my parents came in. Grammar rules 过去进行时与when, while, 引导的表示过去的时间状语从句连用，形成复合句。需注意： to do as objective complement 当主句和从句的动作都是延续的或同时发生的，两句都用过去进行时的时候多用while引导。 Linda在做饭的时候，她的弟弟正在摆餐桌。 While Linda was cooking, her brother was setting the table. Grammar rules Complete the passage with the correct form of the verbs in brackets. Past continuous tense At first, it was just another normal weekday. I 1_______________(wait)at the railway station when I 2_______________(hear) a notice: there was a heavy rainstorm, so all train services were stopped. was sleeping heard Grammar rules Complete the passage with the correct form of the verbs in brackets. Past continuous tense While others 3_______________(call) their families or searching for news reports, I got more and more worried. I had a long journey to make. As time went by, people 4_______________(become) louder and angrier. Just then, a lovely music 5_______________(start). were calling became started Grammar rules Complete the passage with the correct form of the verbs in brackets. Past continuous tense The music of “Me and My Motherland” 6_______________(stop) all noises. Many travellers 7_______________(sing) along with the music. One woman started to cry while she 8_______________(listen). That wonderful music by a student orchestra lifted our spirit and gave us hope. stopped sang was listening Grammar rules Past continuous tense 翻译： 1.When the 100-meter race started, people __________________ (cheer) for the athletes excitedly. Exercise 2.—Where was Tom at this time yesterday? —He ____________________(discuss) a math problem with his classmates in the classroom. 翻译： were cheering was discussing 当100米比赛开始时，人们正兴奋地为运动员喝彩。 ——昨天这个时候汤姆在哪里？ ——他在教室里和同学们讨论一道数学题。 Grammar rules Past continuous tense 翻译： 3.My father __________________(read) a newspaper when I got home yesterday. Exercise 4.While I was sleeping, my parents___________________(make) breakfast. 翻译： was reading were making 昨天我到家时，我父亲正在看报纸。 当我睡觉的时候，我的父母正在做早餐。 Grammar rules Past continuous tense 翻译： 5. The Whites__________________(visit) their friends at 6 pm yesterday. Exercise 6. —I called you last night, but you didn’t pick up, Sam. —Yeah. I ________________(take) a shower then. 翻译： were visiting was taking 昨天下午6点，怀特夫妇正在拜访他们的朋友。 ——昨晚我给你打电话，但你没接，Sam。 ——嗯，我当时在洗澡。 Grammar rules Past continuous tense 翻译： 7.When I saw Mike yesterday, he ________ an old man cross the road. A．is helping B．helped C．Was helping D．helps Exercise 8.— Scott, what’s wrong with your right leg? — I fell down while I ________ basketball. A．play B．was playing C．played D．will play 翻译： C 昨天我看到Mike时，他正在帮助一位老人过马路。 ——斯科特，你的右腿怎么了？ ——我打篮球时摔倒了。 B Grammar rules Past continuous tense 翻译： 9.—What were you doing when the fire alarm went off? —I ________ on my science project in the classroom. A．was working B．worked C．work D．will work Exercise 10.—What were you doing at 5:00 yesterday, Tim? —I ________ some signs to put up around the school. A. making B．made C．was making D．makes 翻译： A ——火警响起的时候你在做什么？ ——我当时正在教室里做我的科学项目。 ——蒂姆，昨天5点你在做什么？ ——我正在制作一些标语，准备在学校周围张贴。 C $$