2021学年Grammar多媒体教学课件ppt

这是一份2021学年Grammar多媒体教学课件ppt，
Unit 8 Natural disastersTomplayfootball.isingLucy isreada book.ingWhat is Tom doing?What is Lucy doing?Present continuous tensebe (am/is/are) + verb-ing现在进行时Tomplayfootball.wasingLucy wasreada book.ingWhat was Tom doing at that moment?What was Lucy doing at 2:30 p.m. yesterday?They watchingTV from 6 to 8.wereThe twinsthinkwereing.What were they doing from 6 to 8 last night?What were the twins doing at this time yesterday?What were they doing?They were doing morning exercises at 9:05 yesterday morning.They were playing basketball at this time last Sunday.She was drinking milkat this time yesterday. at that time. She was playing computer games from 10 to 11 yesterday morning.He was reading newspaperThey were doing morning exercises at 9:05 yesterday morning. They were playing basketball at this time last Sunday.He was drinking milk at this time yesterday.Can you work out the rule?She was reading newspaper from 10 to 11 yesterday morning.I was playing computer games at that time.Past continuous tense be (was/were) + verb-ing过去进行时 过去进行时主要表示在过去某一时刻正 在进行的动作。e.g. a) They were eating breakfast at 7:00 am yesterday. b) I was writing a letter at this time yesterday. c) Five minutes ago, Danny was looking out of the window and Suzy was reading a book.2. 在过去某段时间一直在进行的动作e.g. a) From 1983 to 1998, he was teaching at Yale. b) They were building a dam last winter.Make sentences.1. at 9 o’clock last Sunday2. at this time yesterday3. from 7a.m. to 6 p.m. last Monday4. at that time5. from 9 to 10 last nightwatch TVread bookspractise swimmingwatch the parademake cakes过去进行时的句式1) 基本结构：was/were + Ving2) 肯定句: 主语 + was/ were + Ving3) 否定句：was/were not + Ving was not = wasn’t were not = weren’t4) 疑问句：将 was/were 移到主语前5) 特殊疑问句：疑问词 + was/were +主语 + Ving …?Was she talking at that time?No, she was not talking at that time.No, they were not teaching English.Were they teaching English?We use the past continuous tense to talk about things that were happening at a particular time in the past.Past continuous tense 过去进行时过去进行时表示在过去某一时刻或某一段时间内正在进行或发生的动作。形式为was /were + V-ing。常与表示过去的时间状语连用，如：last night, last Saturday等；或者与when, while, as引导的过去时间状语连用。A snowstorm hit Sunshine TownA snowstorm hit Sunshine Town. Mr. Wu is asking the students about it. Complete their conversation with the correct forms of the verbs in brackets. Mr. Wu: What a terrible snowstorm! It started at about seven this morning . I ___________ (read) the newspaper then. What _____ you ______ (do), Simon?Simon: I ___________ (have) breakfast.Mr. Wu: What about you, Millie?was reading were doingwas havingMillie: I ____________ (walk) to the bus stop. Sandy, I saw you and your parents standing on the side of the road. _____ you _______ (wait) for a taxi?Sandy: Yes. My dad’s car broke down because of the cold weather. He ___________ (ring) someone to come and help when you saw me. was walkingWere waitingwas ringingWhat was the rabbit doing just now?What was the pig doing just now?He was jumping just now.He was dancing just now.The rabbit was jumping while the pig was dancing.Look at the pictures and answer the questions. The worm was eating while the dog was reading.Two long actions went on at the same time.We were clapping our hands while the teachers were walking across the park.The rabbit was jumping while the pig was dancing. The worm was eating while the dog was reading.While the pig was dancing, the rabbit was jumping.While the dog was reading, the worm was eating.while, when and as 都表示“当……的时候”。e.g. I was sleeping when the earthquake started. People were running in all directions while pieces of glass and bricks were falling down. As I was trying to find my way out, I suddenly heard some noise above me. Using while, when and as.1. 当连接同时发生的两个延续性长动作时，常用while引导。e.g. While I was watching TV, he was listening to music. Millie was reading a book while Eddie was sleeping.2. 如果短暂性的动作是主句时，我们可 以用when, while 或 as 引导。e.g. When/while/as Millie was watching TV, Andy came into the room.3. 如果延续性的动作是主句时，我们经 常用when 来连接。e.g. Millie was watching TV when Andy came into the room.4. 如果两个短暂性的动作同时发生，我 们通常用as 连接。e.g. As Millie sat down on the sofa, Andy came into the room.注：当一个短暂性动作发生的同时伴随 着一个延续性的动作，这时我们通 常用过去进行时来表示延续性的动 作，用一般过去时来表示短暂性的 动作。Playing in the snowSome Class 1, Grade 8 students went to play in the snow. Complete the sentences with the correct forms of the verbs in blanks. Use when, while and as to connect the sentences._______ Simon _________ (arrive), Amy ___________ (get) some snow from the ground. 2. _______________ Suzy and Kitty ____________ (build) a snowman, Millie ___________ (take) photos.3. Daniel _______ (fall) over _____________ he ____________ (make) a big snowball.Whenarrivedfellwhile/as/whenwas makingWhen/While/Aswere buildingwas takingwas getting4. Peter __________ (hide) behind a tree ______ a snowball ____ (hit) him.5. ______________ Millie and her classmates ____________ (play) in the snow, Andy ____ (run) towards them.were playingWhen/While/Asranwas hidingwhenhit1. I _________ my homework when Mike _____ last night.  昨天晚上迈克来的时候我正在写作业。 2. While Ann ______________ TV, her father _________ home.  安正在看电视时，她父亲回来了。was doingcamewas watchingreturnedExercises4. She ______________ the room when I ____ to see her.  我去看她的时候她不是在打扫房间。5. I ____________ my vocation in England (at) this time last summer.  去年夏天的这个时候我正在英国度假。wasn’t cleaningwentwas spending 3. What were you doing when I ________ at the door?  我敲门的时候你在干什么？knocked6. Mary ___________ while Peter ___________ the piano.  Mary在跳舞，而Peter在弹钢琴。7. They ____________ the newspaper when I __________ the room.  我走进屋子时他们正在看报纸。8. What _____ you _______ at five yesterday afternoon?  昨天下午5点你在做什么？was dancingwas playingwere readingwalked intoweredoing Remember the new  words in this lesson. 2. Do the exercises on the  workbook.Thank you!