北师大版初三英语第18讲unit9语法篇.docx

1、北师大版初三英语第18讲unit9语法篇北师大版初三英语第18讲：unit9语法篇_理解并掌握过去进行时的用法过去进行时【一】过去进行时的基本用法过去进行时表示过去某一时刻或过去某一阶段内正在进行或一直进行的动作。1. 表示过去某一时刻正在进行的动作。Iwasdoingmyhomeworkatthistimeyesterday. 昨天这个时候我在做作业。2. 表示某一阶段内正在进行的动作。IwasstayingherefromMarchtoMaylastyear. 去年从3月到5月我一直呆在这。【二】过去进行时的构成：was/were + doing 否定句、一般疑问句、特殊疑问句注意：英语中

2、有四类动词一般不用进行时不用现在进行时和过去进行时 (1)表心理状态、情感的动词，如love, hate, like, care, respect, please, prefer, know等，假设用进行时那么词意改变。Im forgetting it . (=beginning to forget ) (2)表存在、状态的动词，如appear, exist, lie, remain, stand, seem等 (3)表感觉的动词，如see, hear, feel, smell, sound, taste等(4)表一时性的动词，如accept, allow, admit, decide, en

3、d, refuse, permit, promise等。【三】时间状语标志词atthattime/moment,(at)thistimeyesterday(lastnight/Sunday/week),at+点钟+yesterday(lastnight/Sunday), whensb.didsth 注意：1. when后通常用短暂短性动词，while后通常用持续性动词，因此它所引导的状语从句中，谓语动词常用进行时态，例如：When the car exploded I was walking past it. 我路过的时候那个车爆炸了。 While I was walking past the

4、 car it exploded. 当我路过的时候那个车爆炸了。2. when用作并列连词时，主句常用进行时态，从句那么用一般过去时，表示主句动作发生的过程中，另一个意想不到的动作发生了。例如： I was walking in the street when someone called me. 我正在街上走时突然有人喊我。3. when作并列连词，表示这时突然之意时，第一个并列分句用过去进行时，when引导的并列分句用一般过去时。例如： I was taking a walk when I met him. 我正在散步，突然遇见了他。We were playing outside when

5、 it began to rain. 我们正在外边玩，这时下起雨来了。 【四】一般过去时和过去进行时的区别1. 一般过去式常表示在过去某时发生的动作或存在的状态包括过去习惯动作，常与一般过去时连用的时间状语有：justnow,amomentago,yesterday,lastweek(month,year),thedaybeforeyesterday及表示过去的时间状语从句。例如：Iwassixteenyesterdayoldlastyear. 我去年16岁。 Heworkedinafactoryin1986. 他1986年在一家工厂工作。 Imetherinthestreetthedaybe

6、foreyesterday. 前天我在街上遇见了她。 Heoftenswamintheriverwhenhewasyoung. 他小时候常在河里游泳。2. 过去进行时表示过去某一段时间或某一时刻正在进行的动作。常与之连用的时间状语有，atthattime/moment,(at)thistimeyesterday(lastnight/Sunday/week)，at点钟+yesterday(lastnight/Sunday)，whensb.didsth.等时间状语从句。例如：Whatwereyoudoingatsevenp.m.yesterday? 昨天晚上七点你在干什么？ IfirstmetMa

7、rythreeyearsago.Shewasworkingataradioshopatthetime. 我第一次遇到玛丽是在三年前，当时她在一家无线电商店工作。 Iwascookingwhensheknockedatthedoor. 她敲门时我正在做饭。3. 一般过去时往往表示某一动作已经完成，而过去进行时却表示动作在持续或未完成。例如：Isawyouwhileyouwerespeakingtotheteacher.你在和老师谈话时我看见了你。注意：有的过去时间状语既可用于一般过去时，也可用于过去进行时，但含义不同。例如：Shewrotealettertoherfriendlastnight.

8、她昨晚给她的朋友写了封信。信写完了 Shewaswritingalettertoherfriendlastnight.她昨晚一直在给她的朋友写信。信不一定写完1. I _the dishes when Mr. Gao visited my home yesterday. A. wash B. washed C. am washing D. was washing2. While I _dinner last night, Angela called me and asked about homework. A. have B. will have C. was having D. am hav

9、ing3. Marry_her homework when her mother got home yesterday. A. does B. did C. is doing D. was doing4. I _ cooked a meal when you _ me. A. cooked, were ringing B. was cooking, rang C. was cooking, were ringing D. cooked, rang5. They _ a football game from 7 to 9 last night. A. were watching B. watch

10、 C. watched D. are watching 基础演练【一】用所给词语的适当形式填空1. I _ (have) my breakfast at half past six yesterday morning.2.They_(go) over her lessons from six to seven last night. John and Peter _(do) the same thing. 3. What _ you _ (do) at that time? We _ (watch) TV.4. Was your father at home yesterday evening

11、? Yes, he was. He _ (listen) to the radio.5. They _(not make) a model ship when I saw him.【二】单项选择1. -I called you at 6 oclock yesterday evening, but nobody answered.-Im sorry. I_my friend download the movie Kung Fu Panda when the telephone rang,A. would help B. helped C. was helping D. am helping2.

12、He said he_ to draw a plane on the blackboard at that time. A. tries B. tried C. was trying D. will try3. I_ along the road when I saw Peter. So we stopped and had a chat.A. walked B. was walking C. would walk D. had walked4. -What did the teacher say just now? -Sorry. I didnt catch it. I _something

13、 else.A. think B. will think C. was thinking D. had thought5. Yesterday evening, I was walking along the street_I suddenly met my maths teacher.A. when B. while C. as D. before【三】按要求进行句型转换1.We were having a PE class at four yesterday afternoon.(改为否定句)We _ _ a PE class at four yesterday afternoon.2.

14、Kate was reviewing her lessons at eight last nigh. (改为一般疑问句，并作肯定、否定回答)_He ran in the park .(用at this time yesterday改写)_4.They were playing computer games at nine last night.( 对划线部分提问)_5.I was reading a novel at three yesterday afternoon.( 对划线部分提问) _巩固提高【一】根据中文提示完成句子你介意把音乐调小点儿声吗？ Would you_ the music

15、?2. 我们把用过的书捐赠给慈善机构。 We_used books_charity. 我相信我们还有更多事情可以做。 We believe there are _.我每天骑自行车上班。 I _every day.今天天太热，你为什不把夹克脱掉呢？ Its too hot today. _your jacket?【二】翻译1. 昨天这个时候你们英语老师在做什么？她在和一些家长谈话吗？_2.当我离开的时候他正在画一幅世界地图。_3. 当你看见他们的时候他们在干什么？他们在打扫教室。 _4. 那时二班的学生没在操场上踢足球，他们在打篮球。_5. 一天，母亲下班回家的时候，约翰在写给一个朋友写信。_【

16、一】单项选择1. A lot of trees _along the street last year. A. plant B. planted C. are planted D. were planted2. -If it _fine tomorrow, lets have a picnic in the park.-Great idea! A. is B. was C. will be D. has been 3. -Your English is so good.-Thank you. I _it since I was sevent years old. A. learn B. hav

17、e learned C. will learn D. learned4. Paul and I _ tennis yesterday. He did much better than 1.A. play B. will play C. played D. are playing5. The air in Beijing is much worse than that in many other cities. We must do_to protect our environment. A. nothing B. anything C. something D. everything6. It

18、 is reported that people throw _plastic bags along this street every week. A. hundred B. hundreds C. hundreds of D. hundred of 7. - Where were you at 7:00 last night? - I _ to my mom at home.A. write B. was writing C. wrote D. am writing8. -Mr. Lee _ to a student when I entered the classroom this mo

19、rning.- He is very patient _ he is young.A. talking; but B. talks; though C. was talking, though D. talked, however9. -What were you doing this time yesterday?-I _ on the grass and drawing a picture.A. sit B. sat C. am sitting D. was sitting10. The girl with two cats in the yard when the earthquake

20、happened.A. was playing B. is playing C. are playing D. were playing【二】完形填空In 1989 a strong earthquake almost flattened America, and over 300,000 people were injured in less than four minutes. Though the earthquakes had not ended completely,a father 1 to the school where his sonwas supposed to be,on

21、ly to find that the building was as flat as a pancake.After a momenthe came to himself and remembered the 2 he had made to his son: No matter what happens,Ill always be there for you! And tears began to fill his eyes. As he looked at the ruins(废墟),it looked 3 ,but he kept remembering his promise to

22、his son. He rushed there and started digging in the ruins.As he was digging, other helpless 4 arrived, saying: Its too late! Theyre all dead! Come on,face reality. Theres nothing you can do! To each parent he just replied , Are you going to help me now? No one helped. And then he 5 to dig for his so

23、n,stone by stone. 6 he went on alone because he needed to know for himself: Is my boy 7 or is he dead? He dug for 8 hours12 hours24 hours36 hoursThen, in the 38th hour, he pulled back a large stone and heard his sons 8 . He screamed his sons name,ARMAND! He heard back,Dad! Its me,Dad! I told the oth

24、er kids not to worry. I told them that if you were alive, you would saveme and whenyou saved me,theyd be saved. You promised,No matter what happens,Ill always bethere for you! You did it,Dad!Whats going on there? The father asked anxiously.There are 14 of us left out of 33,Dad. Were very frightened,

25、hungry,thirsty and thankful youre here.When the building fell down,it 9 a triangle三角形,and it saved us.Come out,boy!No,Dad! Let the other kids come out first,becauseI know youll 10 me! No matter what happens,I know youll always be there for me!1. A. walked B. came C. rushed D. drove2. A. conversation

26、 B. promise C. dialogue D. encouragement3. A. hopeless B. homeless C. careless D. endless4. A. teachers B. friends C. parents D. students5. A. stopped B. continued C. decided D. started6. A. Seriously B. Nervously C. Dangerously D. Courageously7. A. angry B. alone C. happy D. alive8. A. voice B. speech C. laugh D. suggestion 9. A. saved B. made C. rose D. drew10. A. get B. join C. see D. leave_