初中英语时态总结(八大时态精讲).doc

初中英语八大时态全套精讲1.一般现在时的用法1) 经常性或习惯性的动作，常与表示频度的时间状语连用：every, sometimes,at, on SundayI leave home for school at 7 every morning.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：以上三种情况用于宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。例：Columbus proved that the earth is round.4) 现在时刻的状态、能力、性格、个性。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。再如：Now watch me, I switch on the current and stand back. 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，所以后句用一般现在时。二. 构成及变化1、be动词的变化肯定句：主语+be(am,is,are)+其它。如：I am a boy.我是一个男孩。否定句：主语+ be + not +其它。如：He is not a worker.他不是工人。一般疑问句：Be +主语+其它。 如：-Are you a student?-Yes. I am. / No, Im not.特殊疑问句：疑问词+一般疑问句。如：Where is my bike?2、行为动词的变化当主语为第一，二人称及复数时，助动词为do肯定句：主语+动词原形(+其它)。如：We often play basketball after school.否定句：主语+ dont+动词原形(+其它)。如：we dont play basketball after school.一般疑问句：Do +主语+动词原形+其它?如： Do you often play basketball after school l? Yes, we do. / No, we dont.特殊疑问句：疑问词+以do开头的一般疑问句?如： What do you often do after school ?当主语为第三人称单数时 ,助动词为does肯定句：主语+动词三单式(+其它)。如： He swims well.否定句：主语+ doesnt+动词原形(+其它)。如：He doesnt swim well.一般疑问句：Does +主语+动词原形+其它。如：Does he swim well ?Yes, he does. / No, he doesnt.特殊疑问句：疑问词+以does开头的一般疑问句?如： How does your father go to work?三、第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中，动词才用三单式)(1)多数动词直接加s:runs gets likes collets takes plays climbs.(2)结尾是s, x, sh, ch, o,前为辅音字母,结尾加es :watches teaches goes does washes crosses mixes brushes(3)动词末尾y前为辅音:将y改为i加es:studystudies flyflies carrycarries crycries但在y前如果为元音则直接加s:buys says2 一般过去时的用法 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, an hour ago, the other day, in 1982 yesterday morning (afternoon, evening)last night (week, month, year),a moment ago , a week ago, three years agojust now,等。Where did you go just now?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.Whenever the Browns went during their visit, they were given a warm welcome.3）句型：It is time for sb. to do sth 到时间了 该了It is time sb. did sth. 时间已迟了 早该了It is time for you to go to bed. 你该睡觉了。It is time you went to bed.你早该睡觉了。would (had) rather sb. did sth.表示宁愿某人做某事Id rather you came tomorrow.4) wish, wonder, think, hope 等用过去时，作试探性的询问、请求、建议等。I thought you might have some. 我以为你想要一些。比较：一般过去时表示的动作或状态都已成为过去，现已不复存在。Christine was an invalid all her life. (含义：她已不在人间。)Christine has been an invalid all her life.(含义：她现在还活着)used to / be used to used to + do：过去常常表示过去习惯性的动作或状态，但如今已不存在。Mother used not to be so forgetful. Scarf used to take a walk. (过去常常散步)be used to + doing： 对已感到习惯，或习惯于，to是介词，后需加名词或动名词。He is used to a vegetarian diet. Scarf is used to taking a walk.(现在习惯于散步)典型例题- Your phone number again? I _ quite catch it.- Its 69568442. A. didntB. couldntC. dontD. cant答案A. 本句虽没有明确的时间状语，但从语意上看出，在听的时候没有听懂这个动作发生在过去，因此应用过去时。二、构成及变化1. Be动词在一般过去时中的变化：am 和is在一般过去时中变为was。(was not=wasnt)are在一般过去时中变为were。(were not=werent)带有was或were的句子，其否定、疑问的变化和is, am, are一样，即否定句在was或were后加not，一般疑问句把was或were调到句首。2.行为动词在一般过去时中的变化：肯定句 ： 主语 + 动词的过去式 .I watched a film last Sunday .否定句 ： 主语+ didnt + 动词原形.I didnt watch a film last Sunday .一般疑问句：Did + 主语 + 动词原形 ?Did you watch a film last Sunday ? Yes, I did . No , I didnt .特殊疑问句：疑问词+ 以did 开头的一般疑问句 ?What did you do last Sunday ?3、现在进行时一、意义当表示现在正在进行的动作或正在发生的事。时间标志now，句前的look ,listen二、构成:be (am, is ,are )+动词现在分词-ing形式肯定句： 主语 + be + 现在分词V-ing (+ 其他)Im doing my homework now .否定句：主语+be+not+动词-ing +其他.Im not doing my homework now.一般疑问句：Be+主语+动词-ing +其他?Are you doing your home work now?Yes, I am . No , Im not .特殊疑问句：特殊疑问词+be+主语+动词-ing+其他?What are you doing now ?三、现在分词的构成：(1)一般在动词末尾直接加ing,(2)以不发音字母e结尾的动词，先去掉e,再加ing，如 skate skating make making dance dancing write writing have havingride riding come coming(3)以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母，应双写末尾的辅音字母，再加ing, 如： putting running beginning stopping swimming shopping joggingsitting getting forgetting letting四、现在进行时的基本用法：a. 表示现在( 指说话人说话时) 正在发生的事情。We are waiting for you.b. 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 writing another novel.(说话时并未在写，只处于写作的状态。)She is learning piano under Mr. Smith.c. 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.d. 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，往往带有说话人的主观色彩。You are always changing your mind.9 不用进行时的动词 1) 事实状态的动词have, belong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continueI have two brothers.This house belongs to my sister.2) 心理状态的动词Know, realize, think see, believe, suppose, imagine, agree, recognize, remember, want, need, forget, prefer, mean, understand, love, hateI need your help.He loves her very much.3 ) 瞬间动词:accept, receive, complete, finish, give, allow, decide, refuse.I accept your advice.4) 系动词:seem, remain, lie, see, hear, smell, feel, taste, get, become, turnYou seem a little tired.4 过去进行时 1）概念：过去进行时主要表示过去某一时刻正在进行的动作，或表示过去某一阶段一直在进行的动作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this morning, the whole morning, all day yesterday, from nine to ten last evening, when, whileMy 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 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. read； was fallingB. was reading； fellC. was reading； was fallingD. 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。句中的 fell (fall的过去时)，是系动词，后跟形容词，如：fall sick。一、过去进行时结构：was/were + 动词的现在分词否定句则在was/were后加一个not,疑问句将was/were提前则可。如：He was reading a book at 5:00pm yesterday.He was not reading a book at 5:00 yesterday.Was he reading a book at 5:00 yesterday? (Yes, he was./ No, he wasnt.)What was he doing at 5:00 yesterday?二、过去进行时用法：1. 过去进行时主要表示过去某个时刻正在进行的动作，常和表示过去的状语连用。如:（just）then 那时，当时 at this/that time 在这/那时 yesterday afternoon昨天下午 at nine 在九点 last night 昨晚 （at）this time yesterday在昨天这个时候 但在不少情况下，没有表示时间的状语，这时需要通过上下文来表示。 What were you doing at nine last night? 昨晚九点的时候，你在做什么？I was watching TV at home yesterday afternoon. 我昨天下午正在家里看电视。They were playing football at this time yesterday.昨天这个时候他们在踢足球。2.过去进行时也可以表示过去某一段时间内正在进行的动作。常与those days, the whole morning, from 8:00 to 12:00 last night等时间状语连用。(1)From 1983 to 1998 , he was teaching at Yale . 从1983到1998年，他正在耶鲁大学教书。(2)They were building a bridge last winter . 去年冬天他们正在造一座桥。(3)He was writing a book those days. 那几天他正在写一本书3.过去进行时与频度副词always forever， continually， constantly等连用时表示过去经常反复的动作，常常带有埋怨、讨厌、赞扬或喜爱等情绪。My sister was always forgetting things.(表示埋怨)He was always helping others. (表示赞扬)4. 过去进行时表示过去将要发生的动作。现在进行时可以表示将来的动作，同样，过去进行时也可以表示从过去某时看来将要发生的动作，常用在间接引语中。Lucy arrived in Beijing last Friday. But she was leaving for Hong Kong the next morning. 上周五Lucy到达北京，但第二天早晨就要动身去香港了。She asked him if he was coming back for lunch. 她问他午饭是否准备回来吃。5.过去进行时和一般过去时的区别。（1）过去进行时表示过去某时正在进行的动作，而一般过去时则表示一个完成的动作。也就是说用一般过去时，只表示有过这件事；用过去进行时，则强调动作的连续性。 I wrote a letter this morning. 今天上午我写了一封信。（信写完了）I was writing a letter this morning. 今天上午我在写一封信。（信不一定写完） The children watched TV yesterday evening. 昨天晚上孩子们看了电视。（强调过去发生了这件事）The children were watching TV yesterday evening. 昨晚孩子们都在看电视。（强调昨晚看电视这一动作的持续性）(2) 表示过去的状态、感觉及心理活动的静态动词(如be， like， love， hate， fear， own， hear， see， know， want， notice)可用于一般过去时，但通常不用于进行时。如：I hated it when a man spoke with his mouth full of food. 我讨厌人们说话时口里含着食物。(3) 一般过去时与always， constantly， forever， continually等连用，表示“过去经常性、习惯性的动作”;而过去进行时与always， constantly， forever， continually等连用，表示动作的重复，常带有感*彩。如：He always got up at six. 他过去总是六点起床。He was always thinking of his work. 他总是一心想到工作。6.下面几种情况不用一般过去时而要用过去进行时：(1). 表示过去某一阶段暂时性的习惯动作时。如：Tom was getting up at six oclock every day that week. 汤姆那一周里每天都是六点钟起床。(2). 与always连用表示赞美，厌烦等感情色彩时。如：John was always coming to school late. 约翰上学总是迟到。Lei Feng was always doing good deeds for the people. 雷锋总是为人民做好事。(3) 用来描写故事发生的情景时。如：It was a dark night. The wind was blowing hard and the rain was falling heavily.那是一个漆黑的夜晚，风刮得很厉害，雨下得很大。(4) 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。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 it began to rain. 我们正在外边玩，这时下起雨来了。(5) go, come, leave, start, arrive等动词可用过去进行时表示过去将来的含义。如：I was leaving for Wuhan that day. 那天我正要去武汉。She was coming later. 她随后就来。8.过去进行时表示婉转语气(只限于want, hope, wonder 等动词)，用以提出请求。如：I was wondering if you could help me.I was hoping you could send me home.过去进行时巩固练习：1 Simon _ (make) a model plane at 8:00 a.m.2 Peter _(do) his homework at seven last night.3 They _ (watch) a football match from 7:00 to 9:00 last night.4 He _(try) to draw a plane on the blackboard at that time.5 What book _ you _(read) when I _ (see)you at four yesterday afternoon?6 While she _ (watch) TV, her son _ (play) outside the room.7 It _ (begin) to rain while we _(work) in the field.8 I _ (do) my homework last night when the light _ (go) out. go out 意为熄灭9 I saw you in the reading room yesterday , Tom. What were you doing?-Oh, I _ (read) some books on science.10. Girls _(dance) while boys _(sing) at the party. 11.- Did you see Tim just now? - Yes. He _ (fish) by the river.12.When the teacher _ (come) into the classroom, the students _（laugh）loudly.5一般将来时 一、意义：表示将来某个时间要发生的动作或存在的状态，也表示将来经常或重复发生的动作。时间标志：tomorrow , soon ,next Monday , next year , next weekend , this afternoon , this evening 二. 构成及变化：一般将来时常用的两种结构be going to+动词原形 : 表示打算、准备做的事或即将发生或肯定要发生的事。shall/will+动词原形 : 表示将要发生的动作或情况，没有太多的计划性, 还用来表示意愿 be going to +动词原形肯定句 主语+be(am /,is,/ are) going to +动词原形+其它成份My sister is going to learn English next year.我姐姐准备明年学英语。否定句 主语+be(am / is / are)not going to +动词原形 +其它成份I am not going to(go to)the cinema tonight.我今天晚上不打算去看电影。一般疑问句 Be (am / is / are)+主语+going to+动词原型+其它成份?Is your father going to play basketball with you ?你父亲打算和你去打篮球吗?No , he isnt.不。特殊疑问句特殊疑问词(Wh-)+一般疑问句 ?Where are you going to spend Spring Fesital.?春节你打算在哪过?注意: be going to 结构后面习惯上不跟 go ， come 等表位移的动词，一般用该动词的进行时形式表示。如: Hes going to New York next week.下周他要去纽约.will /shall +动词原形(在书面语中，主语是第一人称时，常用shall ,在口语中，所有人称都可以用will)1.肯定句 主语+will/shall+动词原形+其它成份I will(shall) write to him next week.下周我将给他写信。2.否定句 主语 + will /shall+ not + 动词原形 +其它成份They wont watch TV this evening.今天晚上他们不看电视。3.一般疑问句will/shall+主语 +动词原形+其它成份Will you stay at home with us tomorrow ?明天你和我们呆在家里好吗?4.特殊疑问句特殊疑问词(Wh-) +一般疑问句When will your father be back? 你爸爸什么时侯回来?三、时间标志：tomorrow , soon ,next Monday , next year , next weekend , this afternoon , this evening 1)be going to +不定式，表示将来。a. 主语的意图，即将做某事。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.2)be +不定式表将来，按计划或正式安排将发生的事。We are to discuss the report next Saturday.4)be about to +不定式，意为马上做某事。He is about to leave for Beijing.注意：be about to 不能与tomorrow, next week 等表示明确将来时的时间状语连用。5 be going to / will 1.begoingto表示近期、眼下就要发生的事情，will表示的将来时间则较远一些，如：Heisgoingtowritealettertonight.Hewillwriteabookoneday.2.be going to表示根据主观判断将来肯定发生的事情，will表示客观上将来势必发生的事情 He is seriously ill. He is going to die. He will be twenty years old.3. be going to含有“计划，准备”的意思，而will则没有这个意思，如： She is going to lend us her book. He will be here in half an hour.6 be to和be going to be to 表示客观安排或受人指示而做某事。be going to 表示主观的打算或计划。I am to play football tomorrow afternoon.(客观安排)Im going to play football tomorrow afternoon. (主观安排).7 一般现在时表将来 1）下列动词：come, go, arrive, leave, start, begin, return的一般现在时表将来。这主要用来表示在时间上已确定或安排好的事情。The train leaves at six tomorrow morning.When does the bus star? It stars in ten minutes.2）倒装句，表示动作正在进行，如：Here comes the bus. = The bus is coming.There goes the bell. = The bell is ringing.3）在时间或条件句中。When Bill comes (不是will come), ask him to wait for me.Ill write to you as soon as I arrive there.4）在动词hope, take care that, make sure that等后。I hope they have a nice time next week.Make sure that the windows are closed before you leave the room.8 用现在进行时表示将来 意为：意图、打算、安排、常用于人。常用词为 come, go, start, arrive, leave, stay等。Im leaving tomorrow.Are you staying here till next week?6.过去将来时1.概念：立足于过去某一时刻，从过去看将来，常用于宾语从句中。 2.时间状语：the next day(morning, year),the following month(week),etc. 3.基本结构：was/were/going to + do；would/should + do. 4.否定形式：was/were/not + going to + do;would/should + not + do. 5.一般疑问句：was或were放于句首；would/should 提到句首。 6.例句：He said he would go to Beijing the(1)过去将来时由“助动词would+动词原形”构成。would常缩略为d。(2)过去将来时的用法过去将来时表示过去的某一时间看来将要发生的动作或存在的状态。过去将来时常用在宾语从句中。如：I didnt know if she would come。 I wasnt sure whether he would do it。Wang Lei said that she would visit her uncle next Saturday。过去将来时也可以用“was(were) going to +动词原形”来表示。如：I didnt know if she was going to come。 Wang Lei said that she was going to visit her uncle next Saterday。7现在完成时 用法1：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。标志词：already, yet, just, ever, never, before用法2：表示：过去已经开始，持续到现在的动作或状态。标志词：for, since, sinceago基本结构：助动词have/has + 动词的过去分词(当主语是第三人称单数时用has,其余人称用have)1)肯定式：主语 + have / has + 过去分词2)否定式：主语 + have / has + not + 过去分词3)一般疑问句： Have / Has + 主语 + 过去分词Yes, 主语 + have/has.(肯定)No, 主语 + havent/hasnt.(否定)4)特殊疑问句： 特殊疑问词+have/has+主语+过去分词例句1. 过去某时发生的动作到目前为止这个动作已经完成或刚刚完成。如：1)I have finished my homework. 我做完家庭作业了。(过去某时开始做，到现在已完成)2)He has already come 他已经来了。(过去某时开始离开某地到这来，现在已在这。)2. 表示动作发生在过去并延续到现在。如：1)I have studied English for six years. 我已经学了六年英语了。(六年前开始学英语，一直学到现在, 也可能继续学也可能就此不学了。)2)I have lived in Shenyang since 1990. 我从1990年就在沈阳住。(从1990年开始住在沈阳一直住到现在，也可能继续住也可能就此为止。)注意1) 当表示一段时间，现在完成时可以用for 或since引导的状语。例如：Ive known Li Li for 4 years. 我认识丽丽已经4年了。I have worked here since 8 years ago. 自从8年前我就在这工作。注意2) 当在肯定陈述句中含有already或just 时，在转换成否定句时，要把句中的already 或just 去掉，在句末加上yet.。例如：I have already seen the film. - I havent seen the film yet.He has just come. He hasnt come yet?使用时注意事项1.“have/ has got ” 形式上是一种完成时，但和have/ has 为同一意思“有”。如：Hav