初中英语人教版八年级下册Section A (1a-2c).ppt

1、英语教学课件,八年级下,Unit 5 What were you doing when the rainstorm came?,Section A Period One,(P109-110) 过去进行时: 表示在过去某一时间内正在进行的动作。过 去某一点时间正在进行的动作或某段时间内 一直进行的动作。构成: was/were+V-ing (现在分词)。 过去进行时的标志词有:at 8 oclock last night, at this time yesterday 等。 Eg: I was having an English class at this time yesterday.,Gra

2、mmar,1. 现在分词(v-ing)的构成 1) 一般动词在词尾加- ing, 如go going。 2)以不发音字母e结尾的动词,先去掉e,再加-ing。 come - coming;make-making write writing 3) 以元音字母加e结尾,或以e结尾,且e发音的动词,直接加- ing 。 see - seeingbe - being,4) 以重读闭音节结尾的动词,如果末尾以一个辅音字母结尾,应先双写这个字母,再加ing, x和w结尾的除外。 如: get - getting;swim - swimming box 拳击 boxing 5) 以字母y结尾的单词,直接加i

3、ng。 如: carrying, playing, studying 6) 以字母ie结尾的动词,变ie为y,再加ing。 die dying lie lying,2. 使用进行时态的注意事项: 1) 一些动词,如see, hear, love, like, know, remember, understand, have等表示感情、知觉和状态的词,一般不用于进行时态。(I am liking a book. X) 2) 在there和here引起的句子中,常用一般 现在时代替现在进行时。 eg: Here comes the bus. There goes the bell.,过去进行时,含

4、义: 表示过去某个时刻正在进行的动作。 结构: was/were+doing 时间状语 : at 8 oclock last night, at this time yesterday 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： be (is/am/are)+doing 时间状语 : now; look!; listen! 例句： I am having an English class now.,3. 过去进行时和现在进行时的区别,4. 过去进行时和一般过去时的区别,

5、过去进行时表示过去正在进行的动作, 而一般过去时则表示一个过去的完整的动作。 They wrote letters to their friends last night. 他们昨晚写了信给他们的朋友。 (信写完了, 整个写的过程已完成。) They were writing letters to their friends last night. 昨晚他们正在写信给他们的朋友。 (信不一定写完，没有说明信是否写完。),讲解：,2) 当动作延续较长时间时或表示厌烦、赞美等感情色彩时，常用过去进行时表示。 He was thinking more of others than of himsel

6、f. 他考虑别人的比考虑自己的多。 (表示说话者赞扬的口气) The boy was always making trouble then. 那时，他总是惹麻烦。 (表示说话者厌烦的口气）,学P45 when/while “当时候”用法区别: 1)作并列连词。when “在那时”; while “然而;却”(表对比；对照) Eg: Lucy is thin while然而her elder sister is fat. 2)when: 既指时间点，也可指一段时间。while: 只表示一段时间。 Eg: When do you usually get up?-At 6:30.(时间点) 3)wh

7、en引导的时间状语从句中的动词可以是短暂性动词，也可是延续性动词。When主从句两个动作同时或先后发生。 while从句中的动词必须是延续性动词。While主从句两个动作同时发生或主句的动作在从句动作的过程中发生。,4)由when引导的时间状语从句中，从句常用一般过去时，而主句用过去进行时. while引导时间状语从句强调从句和主句的动作同时发生时，两句都用过去进行时. while主从句中,主句的动作在从句动作的过程中发生。while从句常用过去进行时，而主句用一般过去时. Eg1. (从句)when the rainstorm came, I was doing homework. Eg2.

8、 (从句)While we were dancing, they were singing. (同时) Eg3. (从句)While they were playing computer games, Sally took a photo of her friends. (过程中),1. What was Tom doing _ it was raining? He was doing his homework in the bedroom. A. since B. while C. when D. if 2. Betty was doing her homework _ the door b

9、ell门铃 rang. A. when B. if C. because D. and,单项选择。,1. He was sleeping _ it arrived. 2. _ he was sleeping, it arrived. 3. The boy was walking down the street _ the storm came. 4. _ the boy was walking down the street, the storm came. 5. The girl was shopping _ the phone rang. 6. _ the girl was shoppin

10、g, the phone rang.,when,While,when,While,when,While,Fill in the blanks with when or while.,练一练： 根据题后要求完成下列句子，每空一词。 My mother washed clothes yesterday afternoon. (用at five yesterday afternoon改为过去进行时) My mother _ _ clothes at five yesterday afternoon.,was washing,2. We were speaking English at that ti

11、me. (改为否定句) We _ _ _English at that time. 3. Mr Smith was mending his bike when they rang him up. (改为一般疑问句) _ Mr Smith _ his bike when they rang him up?,were not speaking,Was,mending,4. She was doing her homework at three yesterday afternoon. (对划线部分提问) _ _ she _ at three yesterday afternoon? 5. I wa

12、s playing computer games when my mother came into my room. (同义句转换) _ I was playing computer games, my mother came into my room.,What was doing,While,用括号内所给单词的适当形式填空。 1. While I was walking down the street, the rainstorm _ (come). 2. When my father called me, I was _ (cut) hair剪发. 3. Linda _ (take) t

13、he car to the car wash center when Mary left the house. 4. You must be _ (kid). I dont believe what you have said. 5. I _(buy) a new bicycle the day before yesterday前天.,bought,came,cutting,was taking,kidding,1. Peter _ when I walked to him. 2. The twins _ music while their father _TV last night. 3.

14、Mrs. Green _clothes at this time yesterday. 4. _ you _ for the test at seven last night? No, I wasnt.,was drawing,were listening to,was watching,wasnt washing,Were,studying,5.What _ the girl _ at the time of the rainstorm? 6. I _ so busy _ the umbrella that I didnt see a car coming. 7. I _ the bus w

15、hen it began to rain heavily. 8. What _ you _last night, Linda? 9. When you called, I _ a shower. 10. I _ at that time.,was doing,was looking for,was waiting for,were doing,was taking,was sleeping,11. So while you _, I called Jenny and she helped me. 12. Bens dad _ pieces of wood over the windows wh

16、ile his mom _ sure the flashlights and radio were working. 13. Ben _ his mom make dinner when the rain began to beat heavily against the windows.,were sleeping,was putting,was making,was helping,1. Sally took a photo of her friends while they _ computer games. 2013浙江杭州 A. play B. are playing C. have

17、 playedD. were playing 2. Just a minute! My brother _ his car in the garden 2013重庆 A. washes B. is washing C. washed D. will wash,选择填空。,3. Can Peter play games with us, Mrs. Hawking? Wait a minute. He _ a shower. 2013浙江绍兴 A. is taking B. takes C. took D. was taking 4. My uncle _ books in the room at

18、 this time yesterday. 2013黑龙江绥化 A. was seeing B. is reading C. was reading,5. Here comes the bus! Where is our principal? She cant go to the museum with us. She _ some visitors around our school. 2013江苏泰州 A. is showing B. shows C. has showed D. was showing,6. What _ you _ when the captain首领 came in?

19、 2013黑龙江齐齐哈尔 A. are; doing B. did; do C. were; doing 7.Alice, would you mind not playing the guitar? I _ on the phone. Oh, sorry, mom. 2013山东威海 A. talked B. talk C. was talking D. am talking,8. I didnt see you at the meeting yesterday. Why? I _ for an important telephone call at that moment. 【2013山东

20、莱芜】 A. wait B. waited C. am waiting D. was waiting 9. Millie _ a picture when Mr. Green came in. 【2013江苏徐州】 A. draw B. will draw C. drew D. was drawing,10. I saw him in the library yesterday. He_ a book at that moment. 2013天津 A. reads B. is reading C. was reading D. will read 11. I called you yester

21、day evening, but nobody answered the phone. Oh, I _ a walk with my parents at that time. 2013湖北咸宁 A. took B. was taking C. am taking D. take,12. - I called you last night , but you didnt answer. - Sorry, Grace. I_I am A Singer when the phone rang. 2015长沙 A. am watching B. was watching C. have watche

22、d 13. _ the dinner was all over, everyone helped wash the dishes. 2015 How B. When C. Before D. Why,U5 What were you doing when the rainstorm came? 你(当时)正在做什么当暴风雨来临时？ What were you doing when the rainstorm came? 主句 时间状语从句 由when引导的时间状语从句中，从句常用一般过去时，而主句用过去进行时.,rainstorm alarm go off begin heavily sudd

23、enly pick up strange,n. 暴风雨 n. 闹钟 (闹钟)发出响声 v.开始 adv.在很大程度上；大量地 adv. 突然；忽然 接电话 adj.奇特的；奇怪的,Words 却”,When do you usually get up?-At 6:30. (时间点) I was doing homework (从句)when the rainstorm came. (从句)While my son was sleeping, I was doing chores.(同时),2) 由when引导的时间状语从句中，从句常用一般过去时，而主句用过去进行时. while引导时间状语从句

24、强调从句和主句的动作同时发生时，两句都用过去进行时. while主从句中,主句的动作在从句动作的过程中发生。while从句常用过去进行时，而主句用一般过去时.,1. I was doing homework (从句)when the rainstorm came. 2. (从句)While we were dancing, they were singing. (同时) 3. Sally took a photo of her friends (从句)while they were playing computer games. (过程中),1. What was Tom doing _ it

25、 was raining? He was doing his homework in the bedroom. A. since B. while C. when D. if 2. Betty was doing her homework _ the door bell门铃 rang. A. when B. if C. because D. and,单项选择。,1. He was sleeping _ it arrived. 2. _ he was sleeping, it arrived. 3. The boy was walking down the street _ the storm

26、came. 4. _ the boy was walking down the street, the storm came. 5. The girl was shopping _ the phone rang. 6. _ the girl was shopping, the phone rang.,when,While,when,While,when,While,Fill in the blanks with when or while.,在 时候 等公交车 (闹钟) 响 洗个热水澡 错过公交车 雨下得很大 接电话 那很奇怪。,at the time of wait for the bus

27、go off take a hot shower miss the bus rain heavily pick up/answer the call Thats strange.,2. Translate the expressions,Mary: What doing were night you last, Linda? I at seven called and up you didnt pick. Linda: Oh, I in the kitchen was my helping mom. Mary: see I. I again at called eight and you th

28、en didnt answer either. Linda: What I doing eight were at? Oh, know I. called When you, I taking was a shower. Mary: But called then I again nine at. Linda: Oh, I was at that sleeping time. Mary: early So? strange Thats. Linda: Yeah, I tired was. Why times you call did so many? Mary: I needed with m

29、y help homework. while So were you sleeping, I helped Jenny and called she me.,What were you doing last night, Linda? I,Oh, I was in the kitchen helping my mom.,called at seven and you didnt pick up.,I see. I called again at eight and you didnt,answer then either.,When you called, I was taking a sho

30、wer.,What were I doing at eight? Oh, I know.,But then I called again at nine.,Oh, I was sleeping at that time.,So early? Thats strange.,Yeah, I was tired. Why did you call so,many times?,I needed help with my homework. So while,me.,you were sleeping, I called Jenny and she helped,Language Points,1.

31、I called at seven and you didnt pick up.,我拨打他家里电话，但他没接。 I tried his home number but he didnt pick up.,pick up: to answer the telephone 接电话,Practise,2. I was waiting for the bus when it began to rain heavily. 我正在等公交车，突然下起了大雨。,was/were doingwhen 正在,这时/突然,The farmers were getting in the wheat when it p

32、oured with rain. 农民们正在收割小麦，突然下起倾盆大雨来。 I was thinking of this when I heard my name called. 我正想着这件事时，突然听到有人叫我名字。,3. When you called, I was taking a shower. 你打电话时，我正在冲澡。 While you were sleeping, I called Jenny and she helped me. 你在睡觉时，我打电话给詹妮，她帮了我。,when 与while表示：当.时的区分：,when: atorduringthetimethat 既指时间

33、点，也可指一段时间 while: duringthetimethat 只指一段时间,when说明从句的动作和主句的动作 可以是同时，也可以是先后发生； while则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时发生。,when引导的时间状语从句中的动词可以是终止性动词，也可以是延续性动词.,而while从句中的动词必须是延续性动词.,由when引导的时间状语从句，主句用过去进行时，从句应用一般过去时； 如果从句和主句的动作同时发生，两句都用过去进行时的时候，多用while引导，如： Whentheteachercamein,weweretalking. 当此句改变主从句的位置时，则

34、为： Whileweweretalking,theteachercamein.Theyweresingingwhileweweredancing.,1. He was sleeping _ it arrived. 2. _ he was sleeping, it arrived. 3. The boy was walking down the street _ the storm came. 4. _ the boy was walking down the street, the storm came. 5. The girl was shopping _ the phone rang. 6

35、. _ the girl was shopping, the phone rang.,when,While,when,While,when,While,Fill in the blanks with when or while.,1. What was Tom doing _ it was raining? He was doing his homework in the bedroom. A. since B. while C. when D. if 2. Betty was doing her homework _ the door bell rang. A. when B. if C.

36、because D. and,单项选择。,注: 另附word文档。 点击此处链接,I have learned 2000 English words _ _ (到目前为止). 2. What were you doing _ _ _ _ the earthquake? 3. The rain beat _ the car windshield (汽车挡风玻璃）. 4.What do you usually do _ _ (放学后) ? 5. It rained heavily yesterday and I didnt have an umbrella so I _ _ _.,so,at th

37、e time of,against,after school,got all wet,Fill in the blanks with the correct words.,far,翻译下列句子。,1. 当暴风雨来临的时候，她在干 什么？ 当它来的时候她正在购物。 2. 当这个男孩正在街上走的时候，下起 了暴雨。,What was she doing when the rainstorm came? She was shopping when it came.,While the boy was walking down the street, the rainstorm suddenly ca

38、me.,3. 莉莉太累了，半小时后就进入了梦乡。 4. 妈妈打电话时我正在写作业。 I was doing my homework _ my mother _ _ on the phone. 5. 汤姆到学校的时候我正在跑步。 I _ _ when Tom _ _ school.,while,was running got to,was talking,Lily was so tired that she fell asleep after half an hour.,1. What was the girl/ boy doing at the time of? She/ He was 2.

39、What were you doing when the rainstorm came? I was,课时重点回顾,Review,学P45 when/while “当时候”用法区别,1)*when: 既指时间点，也可指一段时间 while: 只表示一段时间 2)*when引导的时间状语从句中的动词可以是短暂性动词，也可是延续性动词。When主从句两个动作同时或先后发生。 while从句中的动词必须是延续性动词。 While主从句两个动作同时发生或主句的动作在从句动作的过程中发生。 3)*由when引导的时间状语从句常用一般过去时，而主句用过去进行时。 4)* 作并列连词。when “在那时”

40、while “然而;却”,When do you usually get up?-At 6:30. (时间点) I was doing homework (从句)when the rainstorm came. (从句)While my son was sleeping, I was doing chores.(同时),2) 由when引导的时间状语从句中，从句常用一般过去时，而主句用过去进行时. while引导时间状语从句强调从句和主句的动作同时发生时，两句都用过去进行时. while主从句中,主句的动作在从句动作的过程中发生。while从句常用过去进行时，而主句用一般过去时.,1. I w

41、as doing homework (从句)when the rainstorm came. 2. (从句)While we were dancing, they were singing. (同时) 3. Sally took a photo of her friends (从句)while they were playing computer games. (过程中),Look at the pictures and guess what happened last night?,There was a rainstorm!,Where were they and how do you k

42、now that? What were they doing when the rainstorm came last night?,Possible answer: She was at home. I can see the bed in the picture. She was doing her homework at that time.,Possible answer: I think he was in the library. I can see many books and some people looking for books. He was reading at th

43、at time.,Possible answer: I think she was at a bus stop. I can see the stop board. She was waiting for the bus at that time.,Possible answer: I think he was on the street. I can see an umbrella in his hand. He was walking home at that time.,Now you are the reporter. Give a report on the weather!,A s

44、ample,Reporter: The weather is beautiful today! But yesterdays rainstorm was the heaviest one so far this year. Many people were caught in the rain yesterday. Many took hours to get home. What were people doing yesterday at the time of the rainstorm? Ive interviewed four people. Now lets have a look together. The girl th