2022年初中八种基本时态讲解及练习讲课教案 .pdf

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1、此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流英语语法（时态）be(“是/存在”)动词的各种时态变化：一 般 现 在 时一 般 将 来 时现 在 完 成 时I am.You are.He/She/It is.We/You/They are.(I 等各人称)will be.I am He/She/It is going to be We/You/They are I have been.You have been.She/he/It has been.We/You/They have been.一 般 过 去 时过 去 将 来 时过 去 完 成 时I was.You were.He/

2、She/It was.We/You/They were.(I 等各人称)would be.I was He/She/It was going to be We/You/They were I had been.You had been.She/he/It had been.We/You/They had been.其它谓语动词(主动语态)的时态变化一览表：注意 在其它的时态中也存在类似问题,记住,关键是：瞬间动词不能和表达一段时间的状语连用。如：How long may I keep the book?(这本书我能借多久？)(句子中 keep 取代了borrow)注意：句型变化时,否定句在 a

3、m/is/are/will/have/has/was/were/had/would 后面加 not,而且 not都可以缩写为 nt(am 后面 not 不可以缩写)；疑问句将 am/is/are/will/have/has/was/were/had/would 提前到句首。现在时态一 般 现 在 时现 在 进 行 时一 般 将 来 时现 在 完 成 时谓语动词构成动词用原形(单三加 s/es)(问句和否定句借用助词 do/does)am is+动词-ing arewill+动词原形am is+going to+动词原形arehave+过去分词has过去时态一 般 过 去 时过 去 进 行 时过

4、 去 将 来 时过 去 完 成 时谓语动词构成动词用过去式(问句和否定句借用助词 did)was+动词-ing werewould+动词原形was+going to+动词原形werehad+过去分词名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页，共 9 页 -此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流八种时态的具体用法：(1)一般现在时：表示现阶段 经常或习惯 发生的动作或存在的状态,或说明主语的特征。一般现在时句子中常有的时间状语：often,usually,sometimes,always,every(day等),once/twice,a(week等),on(Su

5、nday 等),never,in the(morning 等)。如：They go to the Palace Museum once a year.(他们每年去一次故宫)/They often discuss business in the evening.(他们经常在晚上商谈生意)表示客观真理、事实、人的技能或现在的状态时句子里一般不用时间状语。如：The earth turns round the sun.(地球绕着太阳转)/Light travels faster than sound.(光传播比声音快)表示十分确定会发生(如安排好的事情)或按照时间表进行 的事情,用一般现在可以表达将

6、来,句子中 可以有将来时间。如：The train for Haikou leaves at 8：00 in the morning.(开往海口的列车上午8点开车)在时间状语从句 中(以 when,after,before,while,until,as soon as 等引导)和条件状语从句 中(以 if,unless 引导),用一般现在时代替一般将来时,句子可以有将来时间。如：Please ring me up as soon as you arrive in Germany.(你一到德国就给我打电话)/If it rains tomorrow,we will have to stay at

7、 home.(如果明天下雨我们就只好呆在家)一般现在时用于 倒装句 中可以表示正在发生的动作,动词以 come,go为主。如：Here comes the bus.(车来了)/There goes the bell.(铃响了)。(2)一般过去时表示过去某时 发生的动作或状态,这种动作或状态可能是一次性,也可能经常发生。表示过去具体时刻发生的一次性动作时,时间状语有：at(eight)(yesterday morning),(ten minutes)ago,when 引导的时间状语从句。如：I got up at 6：00 this morning.(我是早上六点钟起床的)/Little Tom

8、 broke the window at half past nine this morning.(小汤姆今天早上九点半把窗子打破了)/When he went into the room,he saw a stranger talking with his father.(他走进房间时发现一个陌生人正和他父亲谈话)表示过去一段时间内不知何时发生的一次性动作时,时间状语有：yesterday,last(year等),in(1998 等)。名师资料总结-精品资料欢迎下载-名师精心整理-第 2 页，共 9 页 -此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流如：He came to o

9、ur city in the year 2000.(他 2000年来到我们市)表示 过 去一 个 阶 段中 经 常发生 的 事 情时,时 间状 语 有：last,in,from to,for(10 years),often,usually,sometimes,always,never 等。如：Mr Jackson usually went to evening schools when he was young./Every day he went to the rich man and borrowed books from him.讲故事、对过去经历的回忆、双方都明白的过去事件等一般用过去

10、时,而且经常省略时间状语。如：I happened to meet Rose in the street.(我正好在街上遇到露西)(3)一般将来时表示将来某一时刻或经常发生的动作或状态。一 般 将 来 时 的 时 间 状 语 有：tomorrow,this(afternoon),next(year),one day,now,soon,someday,sometime,in the future,when 引导的从句等。用 will 构成的将来时,表示动作与人的主观愿望无关。“shall”用于第一人称,“will”用于所有人称。如：I will graduate from this school

11、 soon.(我很快就要从这所中学毕业了)/You will stay alone after I leave.(我走了之后你就要一个人过了)“am/is/are going to+动词原形”表示打算或准备要做的事情,或者主观判断即将要发生的事情,而“am/is/are to+动词原形”表示安排或计划中的动作。如：A man told them that the woman was to give birth to the special baby.(有一个人告诉他们那个妇女就会生下那个特别的男孩)/Its going to rain soon.(天快要下雨了)表示一个人临时决定要做某事,可以

12、用 will 表达。如：I will go to the lab to get some chemicals(化学药剂).So please wait until I return.(我要到化学实验室去取些药品,请等我回来)现在进行时、一般现在时也可以表示将来。(见相应时态)shall 和 will 在口语的一些疑问句中相当于情态动词。Shall 一般与第一人称连用,will 与第二人称连用。如：Shall we go to the zoo next Saturday?(我们下周六去动物园好吗？)/Will you please open the door for me?(替我把门打开好吗？)

13、“be to+动词原形”表示按照计划将要发生的事情。如：An angel came to tell her that she was to have this special boy.(4)现在进行时现在进行时表示现在正在进行的动作或是现阶段正发生而此刻不一定在进行的动作。现在进行时由“助动词 be(am is are)+现在分词”构成。名师资料总结-精品资料欢迎下载-名师精心整理-第 3 页，共 9 页 -此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流现在进行时的时间状语有：now,this,these等,但经常不用。如：What are you doing up in the

14、tree?(你在树上干什么？)/I am writing a long novel these days.(我最近在写一本长篇小说)表示即将发生的动作,一般指近期安排好的事情。常见的动词有：come,go,stay,leave,spend,do 等。如：Im coming now.(我就来)/What are you doing tomorrow?(你明天干什么？)/He is leaving soon.(他就要走了)(5)过去进行时过去进行时表示 过去某一时刻或某阶段正在进行的动作。过去进行时由“was(第一、三人称单数)或 were(第二人称单数和各人称的复数)+现在分词”构成。过去进行时

15、的时间状语有：then,at that time,this time yesterday,at(eight)yesterday(morning),(a year)ago,以及由 when 引出的时间状语从句。如：He was cooking supper this time yesterday.(昨天这个时候他正在做晚饭)/The little girl was playing with her toy when I saw her.(我看到小女孩的时候她正在玩玩具)用于宾语从句或时间状语从句中,表示与主句动作同时进行而且是延续时间较长。句子中通常不用时间状语。如：She saw it hap

16、pen when she was walking past.(她路过时看到事情的发生)/They sang a lot of songs while they were walking in the dark forest.(他们在黑暗的森林里走时唱了很多歌)(6)现在完成时现在完成时表示一个发生在过去的、对现在仍有影响的动作,或表示开始在过去,并且一直延续到现在,甚至还可能延续下去的动作。在完成时由“助动词 have(has)+动词的过去分词”构成。表示发生在过去的对现在仍有影响的动作时,时间状语有：already,yet,just,once,twice,ever,never,three t

17、imes,before 等。如：I have never seen such fine pictures before.(我以前从来没有看过这么好的画)/He has just gone to England.(他刚去英国)表示在过去开始一直延续到现在(可能延续下去)的动作或状态时,时间状语有：for(two years),since 1990,since(two weeks ago)和 since 引导的状语从句。如：I have been away from my hometown for thirty years.(我离开家乡有 30 年了)/Uncle Wang has worked

18、in the factory since it opened.(自从这家工厂开张,王叔名师资料总结-精品资料欢迎下载-名师精心整理-第 4 页，共 9 页 -此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流叔一直在那儿工作)口语中 have got往往表示 have(有)的意思。如：They have got thousands of books in their library.(他们图书馆有上万本书)have been to与 have gone to 的区别：have gone to(“已经去了”)表示人不在这里,have been to(“去过”)表示人在这里。如：-Wher

19、e is Mr Li?He has gone to the UK.(李先生在哪里？他去了英国。)/-Do you know something about Beijing?Yes,I have been to Beijing three times.(你知道北京的情况吗？是的,我去过那里三次。)(7)过去完成时过去完成时表示过去某一时间或某一动作发生之前已经完成的动作。简言之,过去完成时所表示的时间是“过去的过去”。过去完成时由“助动词 had+动词的过去分词”构成。过去完成时时间状语有：by(yesterday),by then,by the end of(last)或者由when,befo

20、re 等引出状语从句。有时句子中会有already,just,once,ever,never等词语,也会有 for 或 since 构成的时间状语。如：They had already finished cleaning the classroom when their teacher came.(当老师来的时候他们已经打扫完了教室)/The woman had left before he realized she was a cheat.(在他发觉那个妇女是个骗子时她已经走掉了)过去完成时常用于宾语从句中、after 引导的从句中,或者从句是 before 引导的主句中。如：After I

21、 had put on my shoes and hat,I walked into the darkness.(我穿上鞋子戴上帽子走进了黑暗之中)/He said that he had never seen a kangaroo before.(他说他以前从来没有见过袋鼠)(8)过去将来时过去将来时表示在过去预计将要发生的动作或存在的状态。过去将来时由“助动词 should(第一人称)或 would(第二、三人称)+动词原形”构成。在美国英语中,过去将来时的助动词一律用“would+动词原形”。过去将来时常由于宾语从句中,时间状语有：later,soon,the next(day).在时间

22、状语从句和条件状语从句中不可以使用过去将来时,而应该使用一般过去时。如：He promised that he would pay me a lot if I helped him with the project.(他答应付给我许多钱如果我帮助他搞那个项目)/Every time when he was free,he would sit down and read some books.(以前每次名师资料总结-精品资料欢迎下载-名师精心整理-第 5 页，共 9 页 -此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流只要他有空他就会坐下来看看书)表示纯粹的将来时用would 或 s

23、hould,表示打算或主观认为的事情用was/were going to(+动词原形)。如：She told me she would be 18 the next month.(她告诉我她下个月就18 岁了)/She told me that she was going to have a walk with her pet dog.(她告诉我她打算带她的宠物狗去散步)过去将来时还可以表示一个过去经常性的动作。如：When it rained in the day,he would bring an umbrella with him.(白天下雨时他会随身带一把雨伞)(9)现在完成进行时：现

24、在完成进行时指一个从过去就开始一直延续到现在并由可能继续下去的动作,它具有 现在完成时和现在进行时双重特征,结构是：“have/has+been+动词的现在分词”。如：I have been swimming in the cold water for about two hours.(我已经在冰冷的水里游了将近两个小时)/How long have you been waiting here?(你在这里一直等了多久？)时态综合练习（一）1.Sales of CDs have greatly increased since the early 1990s,when people _ to en

25、joy the advantages of this new technology.A.begin B.Began C.have begun D.had begun 2.Turn on the television or open a magazine and you _ advertisements showing happy families.A.will often see B.often see C.are often seeing D.have often seen 3.I hear Jane has gone to the Holy Island for her holiday.O

26、h,how nice!Do you know when she _?A.was leaving B.had left C.has left D.Left 4.What were you doing when Tony phoned you?I had just finished my work and_ to take a shower.A.had started B.Started C.have started D.was starting 名师资料总结-精品资料欢迎下载-名师精心整理-第 6 页，共 9 页 -此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流5.I _ you n

27、ot to move my dictionarynow I can t find it.A.asked B.Ask C.was asking D.had asked 6.Has Sam finished his homework today?I have no idea.He _ it this morning.A.did B.has done C.was doing D.had done 7.What s that terrible noise?The neighbors _ for a party.A.have prepared B.are preparing C.prepare D.wi

28、ll prepare 8.Now that she is out of a job,Lucy _ going back to school,but she hasnt decided yet.A.had considered B.has been considering C.considered D.is going to consider 9.The teacher,with 6 girls and 8 boys of her class,_ visiting a museum when the earthquake struck.A.was B.were C.had been D.woul

29、d be 10.The discussion _ alive when an interesting topic was brought in.A.was coming B.had come C.has come D.came 11.Because the shop _,all the T-shirts are sold at half price.A.has closed down B.closed down C.is closing down D.had closed down 12.Let s keep to the point or we _ any decisions.A.will

30、never reach B.have never reached C.never reach D.never reached 13.My mind wasnt on what he was saying so Im afraid I _ half of it.A.was missing B.had missed C.will miss D.missed 名师资料总结-精品资料欢迎下载-名师精心整理-第 7 页，共 9 页 -此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流14.You were out when I dropped in at your house.Oh,I _ fo

31、r a friend from England at the airport.A.was waiting B.had waited C.am waiting D.has waited 时态综合练习（二）1.She has set a new record,that is,the sales of her latest book _ 50 million.A.have reached B.has reached C.are reaching D.had reached 2.He kept looking at her,wondering whether he _ her somewhere.A.

32、saw B.has seen C.sees D.had seen 3.The crazy fans _ patiently for two hours and they would wait till the movie star arrived.A.were waiting B.had been waiting C.had waited D.would wait 4.She _ her hairstyle in her hometown before she came to Chongqing for a better job.A.would change B.has changed C.c

33、hanged D.was changing 5.The first use of atomic weapons was in 1945,and their power _ increased enormously ever since.A.is B.was C.has been D.had been 6.You haven t said a word about my new coat,Brenda.Do you like it?I m sorry I _ anything about it sooner.I certainly think it s pretty on you.A.wasn

34、t sayingB.don t sayC.won t sayD.didn t say7.Why don t you put the meat in the fridge?It will _ fresh for several days.A.be stayed B.stay C.be staying D.have stayed 名师资料总结-精品资料欢迎下载-名师精心整理-第 8 页，共 9 页 -此文档仅供收集于网络，如有侵权请联系网站删除只供学习与交流8.How can you possibly miss the news?It _ on TV all day long.A.has been

35、 B.had been C.was D.will be 9.Sorry to have interrupted you.Please go on.Where was I?You _ you didn t like your father s job.A.had said B.said C.were saying D.had been saying 10.I arrived late;I _ the road to be so icy.A.wouldn t expect B.haven t expectedC.hadn t expectedD.wasn t expecting11.I _ whi

36、le reading the English textbook.Luckily,my roommate woke me up in time!A.had fallen asleep B.have fallen asleep C.fell asleep D.fall asleep 12.Although he has lived with us for years,he _ us much impression.A.hadnt left B.didn t leaveC.doesn t leaveD.hasn t left13.I _ ping-pong quite well,but I haven t had time to play since the new year.A.will play B.have played C.played D.play 14.I wonder why Jenny _ us recently.We should have heard from her by now.A.hasn t writtenB.doesn t writeC.won t writeD.hadn t written名师资料总结-精品资料欢迎下载-名师精心整理-第 9 页，共 9 页 -