1、,8,中考倒计时,天,40,8,7,6,5,4,3,初三英语总复习语法系列训练,英语时态复习,1、时态的概念,在英语句子中，用不同形式的动词（有时加上助动词）来表示动作的发生，状态存在的时间及动作方式的特征就叫时态。即时态是通过动词的形式体现的。,2、什么叫动词？,表示动作、状态、性质一类的词叫动词。,3、动词有五种基本形式：,原形,单数第三人称,过去式,过去分词,现在分词,4、动词的作用和地位：,动词和动词短语在英语句子中充当谓语。因而谓语动词不同的形式可体现出句子的时态。每一种时态都有固定的句式和动词的表现形式。,一般现在时的构成和用法：,构成：通常用动词原形表示，即用动词原形作谓语，但当
2、主语是第三人称单数时，一般现在动词词尾加s或es 用法： 经常性或习惯性的动作，常与表示频度的时间状语连用。时间状语： every, sometimes, at, on Sunday等。I leave home for school at 7 every morning.He cycles to work every day.,2) 客观真理，客观存在，科学事实。The earth moves around the sun.Shanghai lies in the east of China.3) 表示格言或警句中。Pride goes before a fall. 骄者必败。注意：此用法如果
3、出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。例如：Columbus proved that the earth is round.,4) 现在时刻的状态、能力、性格、个性。I dont want so much.Ann Wang writes good English but does not speak well.比较：Now I put the sugar in the cup.I am doing my homework now.第一句用一般现在时，用于操作演示或指导说明的示范性动作，表示言行的瞬间动作。第二句中的now是进行时的标志，表示正在进行的动作的客观状况。,动
4、词第三人称的变化规则：,1、一般动词在词尾加s构成。,play,plays,like,likes,2、以x, s, ch, sh和o结尾的动词，在词尾加es,teach,teaches,o,oes,3、以辅音字母加“y”结尾的动词，先改“y”为“i”后，在加-es;,study,studies,fly,flies,4、不规则形式：,have,has,二、一般过去时的构成和用法 构成： （1）was / were + 表语。（2）一般动词用过去式作谓语。 用法： 1）在确定的过去时间里所发生的动作或存在的状态。时间状语有：yesterday, last week, an hour ago, th
5、e other day, in 1982等。Where did you go just now?I saw Tom in the street yesterday. 2）表示在过去一段时间内，经常性或习惯性的动作。When I was a child, I often played football in the street.He always went to work by bus.,3）用过去时表示现在，表示语气委婉礼貌。 （1）动词want, hope, wonder, think, intend 等。例：Did you want anything else? I wanted to
6、ask you about that. Did you want to speak to me now?I wondered if you could help me.（2）情态动词 could, would，例如：Could you lend me your bike? 4）用在条件句中表示与现在或将来事实不符的虚拟语气。If I were a bird, I would fly to Beijing. If he were here now, we could turn to him for help.,动词过去式的构成规则：,（1）一般动词在词尾加-ed构成； （2）重读闭音节词，先双写
7、末尾辅音字母再加-ed； （3）以不发音字母e结尾的动词，加-d； （4）以辅音字母加y结尾的动词，先改y为i，再加-ed; （5）不规则动词的过去式看不规则动词表。,三、一般将来时的构成和用法 构成：1、shall/will + 动词原形。2、be going to + 动词原形。 用法： 1) shall用于第一人称，常被will 所代替。will 在陈述句中用于各人称，在征求意见时常用于第二人称。 Which paragraph shall I read first？ Will you be at home at seven this evening?2) be going to +不定
8、式，表示将来。a. 主语的意图，即将做某事或打算做某事。 What are you going to do tomorrow?,b. 计划，安排要发生的事。 The play is going to be produced next month. c. 有迹象要发生的事 Look at the dark clouds; there is going to be a storm.be going to / will的用法之比较：用于条件句时，be going to表将来，will表意愿。例： If you are going to make a journey, youd better get
9、ready for it as soon as possible. Now if you will take off your clothes, we will fit the new clothes on you in front of the mirror.,时态的判断方法：,1、常和表示将来的时间状语连用;,tomorrow. tomorrow morning、at seven tomorrow,b、next year、 at ten oclock next Saturday morning.,c、this year, at the end of this term.,2、常和表示将来的
10、日期或含有将来意思的短语连用：,from now on, in the year 2008, soon, in a few days time, in the future.,3、在when,until,as soon as,by the time引导的时间状语从句和if引导的条件状语从句中，从句用一般现在时，主句用将来时表示将来的时间。,主将从现原则,四、现在进行时 构成：am(is,are) + 现在分词 1. 表示现在( 指说话人说话时) 正在发生的事情We are waiting for you.2. 习惯进行：表示长期的或重复性的动作，说话时动作未必正在进行。Mr. Green is
11、 writing another novel. She is learning piano under Mr. Smith.3. 表示渐变的动词有：get, grow, become, turn, run, go, begin等。The leaves are turning red.Its getting warmer and warmer.,4. 与always, constantly, forever 等词连用，表示反复发生的动作或持续存在的状态，往往带有说话人的感情色彩。You are always changing your mind.,知识扩展：不用进行时的动词1) 事实状态的动词。
12、如：have, cost, weigh, continue等I have two brothers.This house belongs to my sister. 2) 心理状态的动词。如：know, realize, think， see, believe, suppose, imagine, agree, remember, want, need, forget, prefer, mean, understand, love, hate等。I need your help.He loves her very much. 3) 瞬间动词。如：accept, receive, complet
13、e, finish, give, allow, decide, refuse.I accept your advice. 4) 系动词。如：seem, lie, see, hear, smell, feel, taste, get, become, turnYou seem a little tired.,五、过去进行时1）概念：表示过去某时正在进行的状态或动作。由was/ were+doing构成。 2）过去进行时的主要用法是描述一件事发生的背景；一个长动作发生的时候，另一个短动作发生。 3) 常用的时间状语有：this morning, the whole morning, all day
14、 yesterday, from nine to ten last evening, when, while例句：My brother fell while he was riding his bicycle and hurt himself.It was raining when they left the station. When I got to the top of the mountain, the sun was shining.,典型例题 1) Mary _ a dress when she cut her finger. A. made B. is making C. was
15、 making D. makes 答案C. 割伤手指是已发生的事情，应用过去时。同时，when表时间的同时性，“玛丽在做衣服时“提供事情发生的背景，因此用过去进行时。 2) As she _ the newspaper, Granny _ asleep. A. read; was falling B. was reading; fell C. was reading; was falling D. read; fell 答案B.句中的as = when, while，意为“当之时“。描述一件事发生的背景时，用过去进行；一个长动作发生的时候，另一个短动作发生。句意为 “在她看报纸时，奶奶睡着了。
16、“句中的 fell (fall的过去时)，是系动词，后跟形容词，如：fall sick。,1. Look! How wonderful my car is! Oh, Jack. What are you thinking about? Dont you like it? Im sorry I _ any remark about it in time. I certainly think its smart. A. wasnt making B. dont make C. wont make D. didnt make 2. To find the street where I lived i
17、n my childhood is no easy task because the city _ so rapidly all these years. A. is changing B. has changed C. will have changed D. will change 3. He _ quite well, but he hasnt had time to swim since this summer. A. will swim B. have swum C. swam D. swims 4. Jimmy said that he would come to pick me
18、up, but he _by now. A. hasnt turned up B. doesnt turn up C. wont turn up D. hadnt turned up,5. Im terribly sorry for being late, but I _ the wrong bus. A. catch B. had caught C. caught D. catching6 The truth, sir, is that the old man _ across the road when my car hit him. A. was to walk B. had been
19、walking C. walked D. was walking7. The computers made by our company sell best, but several years ago no one could have imagined the role in the markets that they _. A. were playing B. were to play C. had played D. played,8. Kate is in hospital. Oh, really? I _. _ visit her. A. didnt know; Ill go an
20、d B. dont know; Ill go and C. dont know; Im going to D. didnt know; Im going to 9. Where _ the guidebook? I cant see it anywhere. I _ it right here, but now its gone. A. did you put; have put B. had you put; have put C. have you put; put D. were you putting; put 10. Do you live in this city? No, we
21、_ it for holidays. A. just visit B. just visited C. are just visiting D. have visited 11. How is the old man now? Sorry, he _ though they did all they could to save him. A. was dead B. had died C. has been dead D. died,12.The lake will be further polluted unless some measures _. A. will be taken B.
22、are taken C. were taken D. had been taken 13. Im afraid it will be two months _. A. when I come back B. when Ill come back C. before I come back D. before Ill come back 14.The workers _ busily when the boss came to look for something he _ in the office. A. had worked, had left B. were working ; had
23、left C. working ; had left D. had worked; left 15.The notice _ “No smoking”. A. is told B. reads C. tells D. is read,英语的时态（2）,六、现在完成时,1现在完成时的构成：助动词have (has) + 动词的过去分词 注：has 用于第三人称单数，have 用于其他所有人称。,2现在完成时的用法： （1）现在完成时表示过去发生或已经完成的某一动作对现在造成的影响或结果。通常与表示包括现在在内的时间副词just，already, before, yet, never, ever等
24、状语连用。例如： I have never heard of that before. Have you ever ridden a horse? She has already finished the work. Have you milked the cow yet? Yes, I have done that already. Ive just lost my science book. 有时没有时间状语；多是一般疑问句。,（2）现在完成时表示过去已经开始，持续到现在,也许还会持续下去的动作或状态。可以和表示从过去某一时刻延续到现在（包括现在在内）的一段时间的状语连用。 如：for和s
25、ince，以及 so far, now, today, this week(month, year) 等。 I havent seen her these days. She has learnt English for 3 years. They have lived here since 1990. What has happened to the USA in the last 350 years? 注意：表示短暂时间动作的词，如come, go, die, marry, buy等的完成时不能与for, since等表示一段时间的短语连用。,（3）现在完成时还可以用在时间和条件状语从句中
26、,表示将来某时完成的动作，例如：Ill go to your home when I have finished my homework.If it has stopped snowing in the morning, well go to the park.,（4） have been (to)和have gone (to)的区别： have / has been (to) 表示“曾经去过”某地，说话时此人很可能不在那里，已经回来。侧重指经历。 have / has gone (to) 表示某人“已经去了”某地，说话时此人在那里，或可能在路上，反正不在这里。 试比较：He has been
27、 to Beijing. 他曾去过北京。（人已回来，可能在这儿）He has gone to Beijing. 他已经去了北京。（人已走，不在这儿）。,一般过去时与现在完成时之比较1）过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响。2）过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。 一般过去时的时间状语有：yesterday, last week，ago, in1980, in October, just now, 具体的时间状语。 共同的时间状语有：this morning, t
28、onight, this April, now, once，before, already, recently，lately等。 现在完成时的时间状语有：for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always, 等不确定的时间状语。,请大家认真分析比较下列各例句：I saw this film yesterday. （强调看的动作发生过了。）I have seen this film. （强调对现在的影响，电影的内容已经知道了。） She has returned fr
29、om Paris. （她已从巴黎回来了。）She returned yesterday. （她是昨天回来了。）He has been in the League for three years. (在团内的状态可延续)He joined the League three years ago. ( 三年前入团，joined为短暂行为。) 注意：句子中如有过去时的时间副词（如 yesterday, last week, in 1960）时，不能使用现在完成时，要用过去时。例如： （错）Tom has written a letter to his parents last night. （对）To
30、m wrote a letter to his parents last night.,延续动词与瞬间动词 1) 用于完成时的区别：延续动词表示经验、经历； 瞬间动词表示行为的结果，不能与表示段的时间状语连用。He has completed the work. 他已完成了那项工作。 (表结果)Ive known him since then. 我从那时起就认识他了。(表经历) 2) 用于till / until 从句的差异：延续动词用于肯定句，表示“做直到” ；瞬间动词用于否定句，表示“到，才”。He didnt come back until ten oclock. 他到10 点才回来。H
31、e slept until ten oclock. 他一直睡到10点。,典型例题：,1. You dont need to describe her. I _ her several times. A. had met B. have met C. met D. meet,答案B ；首先本题后句强调对现在的影响，我知道她的模样，你不用描述。再次，several times告知为反复发生的动作，因此用现在完成时。,2. - Im sorry to keep you waiting.- Oh, not at all. I _ here only a few minutes.A. have been
32、 B. had been C. was D. will be,答案A ； 等待的动作由过去开始，持续到现在，应用现在完成时。,七、过去完成时的用法1、概念：表示过去的过去。,-|-|-|-那时以前 那时 现在其结构是：had + 过去分词,2、过去完成时的用法：（1）过去完成时表示过去某一时刻或者某一动作之前完成的动作或状态；句中常用by, before, until, when等词引导的时间状语。By the end of last year we had built five new houses.I had learnt 5000 words before I entered the u
33、niversity.（2）过去完成时的动词还可以表示过去某一时刻之前发生的动作或者状态持续到过去某个时间或者持续下去。Before he slept, he had worked for 12 hours.,（3）在told, said, knew, heard, thought等动词后的宾语从句。She said (that) she had never been to Paris.（4）在过去不同时间发生的两个动作中，发生在先，用过去完成时；发生在后，用一般过去时。When the police arrived, the thieves had run away.（5）表示意向的动词，如h
34、ope, wish, expect, think, intend, mean, suppose等，用过去完成时表示“原本，未能“We had hoped that you would come, but you didnt.（6）过去完成时的时间状语before, by, until , when, after, once, as soon as。He said that he had learned some English before.By the time he was twelve, Edison had began to make a living by himself.Tom w
35、as disappointed that most of the guests had left when he arrived at the party.,用一般过去时代替完成时 1) 两个动作如按顺序发生，又不强调先后，或用then，and，but 等连词时，多用一般过去时。When she saw the mouse，she screamed.My aunt gave me a hat and I lost it. 2) 两个动作相继发生，可用一般过去时；如第一个动作需要若干时间完成，用过去完成时。When I heard the news, I was very excited. 3)
36、 叙述历史事实，可不用过去完成时，而只用一般过去时。Our teacher told us that Columbus discovered America in 1492.,时间,现在,过去,那时所预见的情况,八、过去将来时,一、基本概念： 过去将来时表示从过去的某一时间看将要发生的动作或存在的状态。它是一个相对的时态，即立足于过去某时，从过去的某一时间看即将发生的事情就要用这一时态。1) He said his mother would buy a bike for him2) My brother told me he wouldnt believe Jack any more.3) W
37、ould it be all right if he knew his illness?,二、基本形式：wouldshould动词原形 （其中 would 用于各种人称， should 常用于第一人称）。 例如： They were sure they would win the final victory 他们坚信会赢得最后胜利。 He didnt expect that we should（would）all be there 他没想到我们都在那里。 上述两个例句中的宾语从句谓语 would win 和 should（would）be 分别与其主句谓语 were sure 和 didnt
38、expect 相对应。,三、过去将来时的一些其它表达形式： 1wasweregoing to动词原形 He said he was going to try他说他准备试试。 2waswereto动词原形 They said the railway was to be opened to traffic on May Day他们说这条铁路将在五一节通车。 3waswere about动词原形 We were about to go out when it began to rain我们正要出去天（突然）下起雨来。 4过去进行时（一般多为动作概念较强的动词，如 go，come， leave，sta
39、rt， open，begin 等）也可用于表示将来。 I didnt know when they were coming again我不知道他们什么时候再来。,四、用法注意点： 1在时间和条件状语从句中，常用一般过去时来表示过去将来时。例如： He said he would come to see you when he had time他说他有时间就来看望你。 2“would动词原形”可表示过去习惯性的动作。此时，不管什么人称，都可用would。 When he was a child he would get up early他年幼时，总是很早起床。,考例精练： 1We were al
40、l surprised when he made it clear that he _ office soon（MET93） Aleaves Bwould leave Cleft Dhad left 2 Alice, why didnt you come yesterday？ I _ ，but I had an unexpected visitor（NMET97） Ahad Bwould Cwas going to Ddid,1. The old man _ two days after he had been sent to hospital. A. died B. would die C.
41、 had died D. has died 2. Old McDonald gave up smoking for a while, but soon _ to his old ways. A. returned B. returns C. was returning D. had returned 3. I _ my son _ a doctor, but he wasnt good enough at science. A. hoped; would become B. had hoped; would become C. had hoped; will become D. hope; will become 4. I _ to take a good holiday this year, but I wasnt able to get away. A. hope B. have hoped C. had hoped D. hoped 5. Helen _ her key in the office so she had to wait until her husband _ home.A. has left; comes B. left; had come C. had left; came D. had left; would come,
