Unit 8 Grammar课件 2024-2025学年牛津译林版八年级英语上册

Unit8 Natural disasters Grammar The students are doing exercise to keep fit. I am having an English class. He is introducing himself to you. Present continuous tense 现在进行时 be (am/is/are) + verb-ing Lead in What were they doing at that time? The students doing exercise to keep fit. I having an English class. He introducing himself to you. Past continuous tense were was was be (was/were) + verb-ing 蒙层 Lead in 1.过去进行时主要表示在过去某一时刻/某一时间点正在进行的动作。 推送 The studdents in Class 7 were reading aloud in the classroom at 7:00 am yesterday. I was driving on the road at this time yesterday. To talk about things that were happening at a particular time in the past. While-learning The students in Class 4 were having classses from 2pm to 5pm yesterday. From 2018 to 2019 , Aunt Mary was working in Suqian. To talk about things that were happening during a period time in the past. 2.过去进行时还可以表示在过去某段时间里一直在进行的动作 推送 While-learning the whole morning from 10 to 11 yesterday morning from Monday to Friday last week from 2017 to 2019 推送 a period in the past While-learning 6.at 9 o’clock last Sunday 7. at this time yesterday 8. from 7a.m. to 6 p.m. last Monday 9. at that time 10. from 9 to 10 last night 11.at 8p.m. last night 1.watch TV 2.read books 3.practise swimming 4.do some cleaning 5.make cakes Use the past continuous tense to make sentences Activity I wasn't sleeping at 10 p.m. last night. Were you sleeping at 10 p.m. last night? Yes, I was. / No, I wasn't. Was your sister/brother sleeping at...? Yes, she/he was./ No, she/he wasn't. What were you doing at 10 p.m. last night? Try to work out the rules Read sentences in the table on page 97 What was she/he you doing at 10 p.m. last night? What were they doing...? While-learning 过去进行时的句式 1) 基本结构：was/were + V-ing 2) 肯定句: S(主语） + was/ were + V-ing 3) 否定句：S+was/were not + V-ing was not = wasn’t were not = weren’t 4) 疑问句： Was/Were +S+V-ing....? 5) 特殊疑问句：特殊疑问词 + was/were +S + V-ing …? 截屏推送 While-learning 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 ? Millie: 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. 拍照上传 was reading were doing was having was walking Were waiting was ringing A snowstorm hit Sunshine Town Exercises 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 While-learning 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. 主长 While 从长 截屏推送 Further thinking 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. While-learning 2. 如果短暂性的动作在主句中时，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. 如果延续性的动作在主句中时，我们经常用when 来连接。 e.g. Millie was watching TV when Andy came into the room. 主短 when/while/as 从长 主长 when 从短 Further thinking 4. 如果两个短暂性的动作同时发生，我们通常用as/when 引导。 e.g. As Millie sat down on the sofa, Andy came into the room. When I came in , Sherlock Holmes noticed me. 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。 主短 as/when 从短 截屏推送 Further thinking Choose when, while, as to fill in the blanks. 1. _________ he finished his homework, he played the computer games for a while. When 2. ________________ we were reading, a stranger came in. When/While/ As 3. The little girls sang ____________ they played. as 4. ________ years go by, China is getting richer and stronger As 主从句同时进行，淡化从句的时间概念，表示主句动作发生的背景或条件时，只能用as 拍照上传 随着 一边， 一边 Post-learning Playing in the snow Some 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. 4. Peter __________ (hide) behind a tree ______ a snowball ____ (hit) him. 5. ______________ Millie and her classmates ____________ (play) in the snow, Andy ____ (run) towards them. When arrived while/as/when was making While was building was taking was getting was hiding when hit When/While/As were playing ran fell Post-learning 1. 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。  3. What were you doing when I________ at the door?   我敲门的时候你在干什么？ 4. 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 inEngland (at) this time last summer.   去年夏天的这个时候我正在英国度假。 6. Mary ___________ while Peter___________ the piano.   Mary在跳舞，而Peter在弹钢琴。 拍照上传 was doing came was watching returned knocked wasn’t cleaning went was spending was dancing was playing Exercises Write a passage about your parents yesterday's activities. Homework $$