1、一、結(jié)構(gòu)和用法過(guò)去進(jìn)行時(shí)（講義）結(jié)構(gòu)：主語(yǔ) + was/were + 動(dòng)詞-ing + 其他用法：表示在過(guò)去某一時(shí)刻或某一時(shí)間段正在進(jìn)行的動(dòng)作這一特定的過(guò)去時(shí)間除有上下文暗示以外，一般用時(shí)間狀語(yǔ)來(lái)表示。I was taking a shower at eight last night. She was doing her homework at that time.He was reading in the library when the rainstorm came.When it began to rain, Ben was helping his mom make dinner. Wh

2、ile Linda was sleeping, Jenny was helping Mary with her homework.二、時(shí)間標(biāo)志詞和時(shí)間狀語(yǔ)從句時(shí)間標(biāo)志詞：at eight oclockyesterdaylast night at that momentall nightthen時(shí)間狀語(yǔ)從句：when & while 引導(dǎo)的過(guò)去時(shí)態(tài)的狀語(yǔ)從句趁熱打鐵：()1. My father a newspaper at 7:00 yesterday morning.A. is readingB. was readingC. were readingD. reads ()2. My

3、uncle books in the room at this time yesterday.A. was seeingB. is readingC. was readingD. is seeing ()3. They a football game from 8 to 10 last night.A. were watchingB. watchC. watchedD. are watching ()4. My father and I the house all morning.A. has cleanedB. had cleanedC. were cleaningD. cleans ()5

4、. I didnt see you at the meeting yesterday. Why?I for an important telephone call at that moment.A. waitB. waitedC. am waitingD. was waiting ()6. Linda, I called you this morning, but nobody answered the phone.Im sorry. I football with my friends then.A. playB. playedC. am playingD. was playing ()7.

5、 Sam, what will the weather be like tomorrow?Sorry, Mum. I didnt watch the weather forecast just now. I a football match.A. was watchingB. am watchingC. would watchD. will watch ()8. Was Kate at the party last night?Yes, she a really nice dress.A. is wearingB. was wearing C. would wearD. has worn9.

6、I first met Lisa three years ago. She (work) at a radio shop at the time.10. When I arrived at his office, he (speak) on the phone.三、句式變換I was taking a shower at eight last night.否定句：I wasnt taking a shower at eight last night.一般疑問(wèn)句：Were you taking a shower at eight last night?特殊疑問(wèn)句：What were you do

7、ing at eight last night?趁熱打鐵：1. Joy was listening to the tape at 8 a.m. yesterday. (改為否定句) Joy to the tape at 8 a.m. yesterday.2. They were playing basketball at 4:00 p.m. yesterday. (改為一般疑問(wèn)句,并作肯定回答) basketball at 4:00 p.m. yesterday?3. Linda was doing her homework at 7 p.m. yesterday. (對(duì)劃線部分提問(wèn)) Lin

8、da at 7 p.m. yesterday?4. I was cleaning the windows at home at that time yesterday. (對(duì)劃線部分提問(wèn)) you cleaning windows at that time yesterday?5. While he was playing computer games, I was singing. (對(duì)劃線部分提問(wèn)) you singing?()6. What you _ when your mother left home?A. are; doingB. were; doingC. was; doingD

9、. did; do ()7. What you _ when the captain came in?A. are; doingB. did; doC. were; doingD. do; do四、when 和 while 的異同when：“當(dāng)?shù)臅r(shí)候”，是從屬連詞，引導(dǎo)時(shí)間狀語(yǔ)從句。He was reading in the library when the rainstorm came.When it began to rain, Ben was helping his mom make dinner. When I was watching TV, my father was readin

10、g a newspaper. Ill tell you when he comes.He stopped his car when he saw me.其后的謂語(yǔ)動(dòng)詞既可以是 動(dòng)詞，也可以是 動(dòng)詞。when 引導(dǎo)的動(dòng)作發(fā)生的時(shí)間與主句的動(dòng)作可以是 、 、 。while：“當(dāng)?shù)臅r(shí)候、在期間”，是從屬連詞，引導(dǎo)時(shí)間狀語(yǔ)從句。He fell asleep while he was listening to music. While we were talking, he came in.While Linda was sleeping, Jenny was helping Mary with her

11、 homework. While I was watching TV, my father was reading a newspaper.其后的謂語(yǔ)動(dòng)詞必須是 動(dòng)詞。常用時(shí)態(tài)。它強(qiáng)調(diào)主句的動(dòng)作在從句的過(guò)程中發(fā)生，或 發(fā)生。異同點(diǎn)： when 引導(dǎo)進(jìn)行時(shí)態(tài)或非進(jìn)行的時(shí)態(tài)。When I was watching TV, my father was reading a newspaper. When it began to rain, Ben was helping his mom make dinner. while 只引導(dǎo)進(jìn)行時(shí)態(tài)。While I was watching TV, my fat

12、her was reading a newspaper.延續(xù)性動(dòng)詞終止性(非延續(xù)性或瞬間性)動(dòng)詞延續(xù)性動(dòng)詞表示的動(dòng)作不但可以延續(xù)，而且可以產(chǎn)生持久的影響。它表示的動(dòng)作不能延續(xù)，也就是說(shuō)動(dòng)作一旦發(fā)生就立即結(jié)束，并產(chǎn)生某種結(jié)果。be, have, keep, know, learn, lie, live, read, sing, sleep, stand, stay, wait, walk, watch 等。accept, arrive, become, begin, borrow, break, buy, catch, close, come, die, end, fall, finish, g

13、et, give, go, join, leave, put, reach, receive, shut,start, stop 等。二者都可引導(dǎo) 時(shí)態(tài)，同時(shí)出現(xiàn)要優(yōu)先選擇 while 來(lái)引導(dǎo)。附：常見(jiàn)的延續(xù)性動(dòng)詞和終止性(非延續(xù)性或瞬間性)動(dòng)詞趁熱打鐵：()1. While she , I was watching TV.A. is workingB. worksC. workedD. was working ()2. Sally took a photo of her friends while they computer games.A. playB. are playingC. hav

14、e playedD. were playing ()3. Yesterday evening I was playing the piano the doorbell rang.A. whenB. beforeC. whileD. if ()4. The girl was flying a kite her father came back.A. whenB. whileC. beforeD. after ()5. I was in the US, I made a lot of American friends.A. WhileB. AlthoughC. UnlessD. Until6. y

15、ou called, I was taking a shower. (when & while)7. What were you doing Yang Liwei went into space? (when & while)8. She (water) the flowers when I (come) to her.9. He (read) the letter, when he (hear) a knock at the door.10. 用 when 或 while 仿照例句進(jìn)行造句JohnMarytake photosbuy a drinkplay the piano

16、leave the houseclean his roomturn on the radioshoptake the car to the car washWhile John was taking photos, Mary bought a drink. John was taking photos when Mary bought a drink.綜合練習(xí)1. My father (mend) his bike when I reached home.2. she (feed) the chickens at 5:00 yesterday afternoon?3. My mother (n

17、ot wash) clothes at that time.4. What Jim (write) when the teacher came in?5. While I (walk) in the park, I saw some children flying kites.6. When I (play) in the park, it (begin) to rain.二、單選()7. Jenny in the kitchen when you called her at 5 oclock yesterday.A. is cookingB. was cookingC. cooksD. co

18、oked ()8. The twins didnt go to the theatre, they the light music all night.A. have enjoyedB. will enjoyC. are enjoyingD. were enjoying ()9. I didnt hear the phone because my father _TV then.A. is watchingB. was watchingC. watchedD. watches ()10. We were having a meeting we heard a shout for help.A.

19、 whileB. asC. whenD. for ()11. The couple were watching TV the thief came into the house.A. whenB. whileC. forD. because ()12. He said he to draw a plane on the blackboard at that time.A. triesB. triedC. was tryingD. will try ()13. This time yesterday Jack his bike. He TV.A. repaired; didnt watchB.

20、was repairing; watchedC. repaired; watchedD. was repairing; wasnt watching ()14. He some cooking at that time, so _ me.A. did; heardB. did; didnt hearC. was doing; heardD. was doing; didnt hear三、用 was, were, when 或 while 填空At 7:00 a.m., I woke up.Imaking my breakfast, my brother listening to the rad

21、io. 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 driverfine. The roadsicy because of the heavy snow from the night before.【參考答案】二、時(shí)間標(biāo)志詞和時(shí)間狀語(yǔ)從句趁熱打鐵：1-5：BCACD6-8：DAB9. was working10. was speaking三、句式變換趁熱打鐵：1. wasnt listening2. Were they playing; Yes; they were3. What was; doing4. Where w