人教新目标版英语八年级下册Unit 5《What were you doing when the rainsrorm came 》 SectionAGrammar focus-4c课件

这是一份人教新目标版英语八年级下册Unit 5 the SectionAGrammar focus-4c课件，共34页。

Unit 5 What were you doing when therainstorm came?Period 3 SectionA Grammar focus-4c 人教新目标版英语八年级下册Presentation1.掌握下列词汇：have a look, icy, kid...掌握句型：When it began to rain, Ben was helping his mom make dinner.He was reading in the library when the rainstorm came.While Linda was sleeping, Jenny was helping Mary with her homework.2. 掌握过去进行时was/were+ doing的定义、结构，时间状语和用法。3.辨析when和 while引导的时间状语从句中过去进行时的用法。PresentationLook and say.1. —What were you doing at eight last night? — I ______ ______ a shower.was taking 2. — What was she doing at the time of the rainstorm? — She ______ ______ her homework.3. —What was he doing when the rainstorm came? — He ______ ________ in the library.was reading 4. — What was Ben doing when it began to rain heavily? — ______ it began to rain, Ben was helping his mom make dinner.When5. — What was Jenny doing while Linda was sleeping? — ______ Linda was sleeping, Jenny was helping  Mary with her homework.Whilewas doing PresentationAsk and answer.What were they doing at 6:00 p.m. yesterday?She was watching TV at that moment.He was doing his homework at that moment.They were having a picnic at that moment.They were playing basketball at that moment.PresentationAsk and answer.Make up the sentences.When I …, he was…When I called him up, he was sleeping.I was…, when…I was waiting for the bus when it began to rain.While I was…, he…While I was walking to school, he fell asleep.While I was walking to school, he was sleeping.PresentationPre-grammarLook and say.have a look (at)看一看icy adj. 冰冷的；覆盖着冰的；ice n. 冰kid v.开玩笑；欺骗kiddingPresentationRead and translate.Read the sentences and translate them.PresentationLook and fill.1 . —What were you _______at eight last night? —I ______ _______(take) a shower?2. –What ______she doing at the time of rainstorm? —She______ _______(do)her homework.3. —What was he doing when the rainstorm ________(come)? —He ______ _______(read) in the library when the rainstorm came.4. —What was Ben _______when it _______ to rain heavily ? —When it began to rain, Ben ______ ______(help)his mom make dinner.5 —What was Jenny doing while Linda ____________(sleep)? —While Linda was sleeping, Jenny ______ ______(help) Mary with math.Fill in the blanks according to grammar focus.doingwas takingwas was doingcamewas readingdoingbeganwas helpingwas sleepingwas helpingPresentation探究语法规律What did you find out? 探究一：过去进行时的结构和用法1. 含义：过去进行时表示_____________或______________正在进行或发生的动作。过去某一时刻过去某一时间段What were you doing at 8o’clock yesterday?What was Jenny doing from 7 to 9 last night?过去某一时刻时间段Presentation探究语法规律探究一：过去进行时的结构和用法What were you doing when the storm came?While the girls were singing, the boys were dancing?过去某一时刻时间段She was watching TV at that moment. He was doing his homework at 6:00p.m.yesterdayThey were having a picnic at that moment. They were playing basketball at 6:00p.m.yesterday.过去的某个时间点：当时正在做某事Presentation探究语法规律探究一：过去进行时的结构和用法2. 构成：was/were+动词-ing形式当主语是第一人称单数形式或第三人称单数形式时，be动词用was，其余人称用were。I was doing my homework at 9:00 pm last Saturday.Zheng was playing computer games at that time.Wen and her sister were studying when I posted a notice.They were playing computer games when it began to rain.When Jake was sleeping, his brother played basketball.Teachers were waiting for the bus when the rainstorm came.Presentation探究语法规律探究一：过去进行时的结构和用法3. 过去进行时的结构S(主语)+was\were +v. –ing +其它在那时他正在睡觉。肯定形式was\were + doing否定形式was\were +not + doingHe wasn’t sleeping at thattime.一般疑问句形式was\were +主语+ doing？Was he sleeping at thattime?特殊疑问句形式疑问词+was\were +主语+ doing？What was he doing at thattime?He was sleeping at that time.Presentation探究语法规律探究一：过去进行时的结构和用法4. 过去进行时的标志词表示过去时间点的有:then, at that\this time time yesterday, at 5 o'clock last night, When the teacher came in/left等表示过去时间段的有: all night, all the morning, from 7: 00 to 9: 00 yesterday; while he was reading? 等昨天晚上9点格林一家人没有看电视。The Greens were not watching TV at 9:00 last night.When my mother came back,I was eating breakfast 昨天那个时候格雷丝正在花园里浇花。Grace was watering flowers in the garden at that time yesterday. I was singing while my sister was dancing.Presentation探究语法规律探究一：过去进行时的结构和用法5. 现在进行时 与 过去进行时 的区别过去进行时含义: 表示过去某个时刻或某一阶段正在进行的动作。结构： was/were + doing例句：I was having an English class at this time yesterday. 现在进行时含义: 表示现在正在进行的动作。结构： is/am/are + doing例句：I am having an English class. now, Look! Listen!at the moment时间状语与特定的过去时间状语连用,常见的时间有:at 9 last night, at this time， at that time,at that moment ，from...to等Presentation探究语法规律探究一：过去进行时的结构和用法6.过去进行时和一般过去时的区别用法不同一般过去时：过去某个时间发生的动作或存在的状态，强调动作已发生或已完成。过去进行时：过去某一时刻或某一段时间正在进行或发生的动作，强调动作正在进行，而可能尚未完成的动作。 David wrote a letter to his friend last night.戴维昨晚给他的朋友写了封信。（信写完了）David was writing a letter to his friend last night.戴维昨晚一直给他的朋友写信。（信不一定写完）Presentation探究语法规律探究一：过去进行时的结构和用法6.过去进行时和一般过去时的区别谓语动词结构不同一般过去时：主语 + was/were + V-ing形式过去进行时：主语 + 动词过去式 时间状语不同一般过去时：yesterday, last week, in 1993, once, before, a few days ago等。过去进行时：at7yesterday, at that time, this time last nigh等;when与while 引导的时间状语从句。 Presentation探究语法规律What did you find out? 探究二：过去进行时中的when与while引导的时间状语从句相同点：when和while均可作连词，意为“当……的时候”，引导时间状语从句，和过去进行时连用。I was discussing a math problem with Joe when Mike called me up. While I was fishing by the river, I saw an empty boat nearby. Presentation探究语法规律探究二：过去进行时中的when与while引导的时间状语从句when引导的时间状语从句通常与瞬间性动词或延续性不强的动词连用。瞬间性动词指动作极为短暂，瞬间结束。如： start, begin, hit, jump, knock等。when引导的时间状语从句与瞬间性动词连用时，用一般过去时，主句用过去进行时。I was waiting for the bus when it began to rain heavily.主句when引导的时间状语从句延续性动词指动作可以延续一段时间，而不是瞬间结束。如：work, study, drink, eat等。when引导的时间状语从句与延续性不强的延续性动词连用时，用过去进行时，主句用一般过去式。I arrived at home when my mum was cooking.主句when引导的时间状语从句Presentation探究语法规律探究二：过去进行时中的when与while引导的时间状语从句while引导的时间状语从句强调主句动作在从句动作进行的过程中发生，从句的谓语动词必须为延续性动词，常用进行时。1. 从句用过去进行时，主句用一般过去时。While I was watching TV, Tom came in.2. 主句和从句都用进行时。强调主、从句动作同时进行。While I was watching TV, she was doing some cleaning.While Linda was sleeping, Jenny was helping me with my homework.强调主句动作发生时，从句动作正在进行，常用while引导从句。主句常用一般过去时，从句常用过去进行时。当我正在河边钓鱼时，我看到附近有一条空船。While I was fishing by the river, I saw an empty boat nearby. Presentation探究语法规律探究二：过去进行时中的when与while引导的时间状语从句主句动作是持续性的，用 __________ 时态；从句动作是短暂性的，用___________时态，用______ 引导。①I was walking to school when I saw a cat in a tree.②When Sally arrived home, her mother was cleaning the house.过去进行when一般过去主句动作是短暂性的，用 __________ 时态；从句动作是持续性的，用___________时态，用______ 引导。③ While I was sleeping in the bedroom, someone knocked at the door.④ David fell while he was riding his bike.一般过去while过去进行He was reading in the library when therainstorm cameWhile Amy was reading a book， I came in.探究语法规律探究二：过去进行时中的when与while引导的时间状语从句主句和从句动作在过去的某时刻或某段时间同时发生，且动作都是持续性，主句、从句都用 _________时态，用 ______ 引导从句，⑤ While Andy was waiting for the bus, he was reading a newspaper.⑥ He was cleaning his car while I was cooking.过去进行whileWhile Linda was sleeping，Jenny was helping Mary with her homework. While John was riding, Mary was running.Presentation将下列汉语句子翻译成英语。1. 当我正在网上查找信息的时候，门铃响了。2. 当我看见他的时候，他正在做一架模型飞机。3. 当我正在跑步的时候，我妹妹正在放风筝。 While I was looking for some information on the Internet, the doorbell rang. He was making a model plane when I saw him. While I was running, my sister were flying a kite.PresentationLook and say.Make up sentences.When I … He was doing…When I called him up, he was sleeping.When I … He was doing…When I read the newspaper, he was watching TV.While I … He was doing…While I was walking to school, Hewas eating.PresentationLook and write.Look at the table and write sentences with both while and when.4a1. While John was taking photos, Mary bought a drink.John was taking photos when Mary bought a drink.延续性动词非延续性动词PresentationLook and write.Look at the table and write sentences with both while and when.4a2. While John was playing the piano, Mary left the house. John was playing the piano when Mary left the house.PresentationLook and write.Look at the table and write sentences with both while and when.4a3. While John was cleaning his room, Mary turned on the radio. John was cleaning his room when Mary turned on the radio.PresentationLook at the table and write sentences with both while and when.4aLook and write.4. While John was shopping, Mary took the car to the car wash. John was shopping when Mary took the car to the car wash.Fill in the blanks with was, were, when or while.At 7:00 a.m., I woke up. _____ I ____ making my breakfast, my brother _____ listening to the radio. _____ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. _____ we got to the place of the accident, the car ____ in bad shape from hitting a tree. But luckily, the driver ____ fine. The roads _____ icy because of the heavy snow from the night before.While wasWhile When waswaswereLook and fill.4bWhat were you doing at these times last Sunday? Fill in the chart. Then ask your partner. Look and write.4cPresentationWhat were you doing at these times last Sunday? Fill in the chart. Then ask your partner. Look and write.4cWhat were you doing at … last Sunday?A: What were you doing at nine o’clock last Sunday morning?B: I was sleeping. How about you?A: I was doing my homework.B: You’re kidding!v. 欺骗; 戏弄; 开玩笑Example:A: What were you doing at four o’clock last Sunday afternoon?B: I was playing soccer. How about you?A: I was reading a book.B: You’re kidding!Presentation一、根据句意用所给词的适当形式填空There is a loud noise outside. Let's _____________(看一看).The roads were very _____(覆盖着冰的) because of the snow.That was not real. You are _________(欺骗)me._______my mom was doing the dishes. I was doing my homework______she knocked at the door. I was watching. have a lookicykiddingWhileWhenPresentation二、翻译句子。1.暴风雨来临时她在做什么?2.当 Linda正在睡觉时, Jenny正在做什么?3当开始下雨时,Ben正在帮妈妈做晩饭。4.当你打电话时我正在洗澡。What was she doing when the rainstorm came?What was Jenny doing while Linda was sleeping?When it began to rain, Ben was helping his mom making dinner.When you called, I was taking a shower.PresentationPreview the new words and expressions.Preview 1b-1d on Page 37.课程结束