现在完成时的用法总结

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常用句型现在完成时的构成与用法

常用句型现在完成时的构成与用法

常用句型现在完成时的构成与用法现在完成时是英语中常用的时态之一,用于表示过去发生的动作对现在造成的影响或结果。

本文将详细介绍现在完成时的构成和用法。

一、现在完成时的构成现在完成时由助动词“have/has”和过去分词构成。

其基本构成形式为“have/has + 过去分词”。

1. 肯定句结构主语 + have/has + 过去分词 + ...例句:- I have visited Paris.- She has finished her homework.2. 否定句结构主语 + have/has + not + 过去分词 + ...例句:- I have not seen him today.- He has not eaten lunch yet.3. 疑问句结构Have/Has + 主语 + 过去分词 + ...?- Have you ever been to China?- Has she read the book?二、现在完成时的用法现在完成时在英语中有以下几种常见用法:1. 表示过去开始,一直持续到现在的动作或状态例句:- I have known her since primary school.- They have lived in New York for five years.2. 表示过去完成的动作对现在的影响或结果例句:- I have lost my keys. (结果是我现在找不到钥匙)- She has finished her report. (结果是她现在可以休息了)3. 表示过去发生的动作对现在产生的经验或知识例句:- I have read many books. (经验是我读过许多书)- They have traveled to many countries. (知识是他们去过许多国家) 4. 表示过去发生的动作在一个不确定的时间内完成- Have you ever tried sushi? (在某个不确定的时间内尝试过寿司)- Has she seen that movie? (在某个不确定的时间内看过那部电影)5. 表示过去多次发生的动作例句:- I have visited London three times. (表示过去进行了多次的伦敦之行) - They have called me many times. (表示过去多次给我打电话)6. 表示刚刚完成的动作例句:- I have just finished my work. (刚刚完成的工作)- She has recently bought a new car. (最近购买的新车)三、总结现在完成时由助动词“have/has”和过去分词构成,用于表示过去发生的动作对现在造成的影响或结果。

英语完成时归纳总结大全

英语完成时归纳总结大全

英语完成时归纳总结大全英语完成时是英语语法中比较复杂的一个时态,它包括了现在完成时、过去完成时和将来完成时。

本文将为您归纳总结一下英语完成时的用法和特点。

一、现在完成时(Present Perfect)现在完成时由助动词“have/has”与动词的过去分词构成,表示过去发生的动作对现在产生的影响或结果。

1. 表示过去经历的经验或动作对当前所处的状态或情况产生影响。

例:I have lived in this city for five years.(我在这个城市住了五年了。

)He has learned a lot from his mistakes.(他从他的错误中学到了很多。

)2. 表示过去已完成、但对现在还有影响或结果的动作。

例:I have finished my homework.(我已经完成作业了。

)They have left for the airport.(他们已经去机场了。

)3. 表示过去已经发生的动作在现在还有可能继续或重复。

例:She has read that book three times.(她已经读了那本书三遍了。

) Have you ever visited London?(你曾经参观过伦敦吗?)二、过去完成时(Past Perfect)过去完成时由助动词“had”与动词的过去分词构成,用于表示在过去某一时间或动作之前已经完成的动作。

1. 表示在过去某一时间或动作之前已经完成的动作。

例:I had already eaten when she arrived.(她到达时我已经吃过了。

) They had finished their work before the meeting started.(开会前他们已经完成了工作。

)2. 过去完成时常与“before”、“after”等表示时间先后关系的词连用。

例:He had left before I arrived.(我到达之前他已经离开了。

现在完成时的用法总结

现在完成时的用法总结

现在完成时的用法总结一般现在完成时表示(Present Perfect Tense)通常用来表示过去发生的某个动作对现在造成的影响,或者表示从过去持续到现在的动作或状态。

一般现在完成时的句型是“主语+have/has+过去分词”,其中have/has要根据句子中的主语选择合适的助动词。

常用用法包括:1、表示过去发生的动作对现在造成的影响。

这种用法中,一般会伴随have/has以及一个表示结果的形容词如:tired(累),finished(完成)等。

例如:He has finished his homework. 他已经完成了他的作业。

2、表示从过去持续到现在的状态或动作。

例如:3、表示过去发生的某个动作或在某段时间内反复发生的多次动作,其中常伴随时间状语,例如:last week,for three days等。

例如:I have been to Beijing three times. 我去北京已经三次了。

4、表示至今为止已完成的动作,这种用法中使用ever,never,so far,up to now,until now,till now等。

例如:He has never been abroad. 他至今从未出国过。

除此之外,常见的疑问句分为一般疑问句和特殊疑问句,一般疑问句的句型是“have/has+主语+过去分词” (has在be动词过去分词之前),而特殊疑问句的句型有以下几种:(1)What have you done? 你做了什么?总之,一般现在完成时用来表示过去发生的某个动作对现在造成的影响,或者从过去持续到现在的动作或状态,句型是:主语+have/has+过去分词,疑问词有what、when、where、how long等;疑问句分为一般疑问句和特殊疑问句,一般疑问句的句型是“have/has+主语+过去分词” (has在be动词过去分词之前)。

现在完成时态的用法总结完整汇总

现在完成时态的用法总结完整汇总
He has been a policeman for nine days. He has been a policeman since September 17th, 2000.
He has been a singer for eight years. He has been a singer since 1992. He has been a singer since he won the prize for music in 1992.
He has been a teacher for ten years. He has been a teacher since 1990. He has been a teacher since he left college in 1990. 1990-2000
left college
2000.7—2000.9 moved to Japan
⑤ Has he eaten that apple yet 他吃那个苹果了吗
注意:1 现在完成时的一般疑问句往往在句末加yet, 2 一般疑问句译成汉语时, 往往译成…..过吗 ,还有….吗 等. 3 其肯定回答用:Yes,….have has . 否定回答用:No,….haven‘t hasn’t .
6) My mother has been a doctor _f_o_r __ many years.
3.延续性动词与非延续性动词在现在完成时中的使用,
1 延续性动词:be,have,know,live,
work,study,learn,teach,speak,talk,draw,
wait,wear,walk,sleep等,这些动词可以和表示一段时间的状
语连用,例如:

现在完成时用法总结

现在完成时用法总结

现在完成时用法总结现在完成时用法总结总结是指社会团体、企业单位和个人在自身的某一时期、某一项目或某些工作告一段落或者全部完成后进行回顾检查、分析评价,从而肯定成绩,得到经验,找出差距,得出教训和一些规律性认识的一种书面材料,它可以使我们更有效率,不如立即行动起来写一份总结吧。

我们该怎么去写总结呢?下面是小编整理的现在完成时用法总结,欢迎大家分享。

一、基本结构:主语+have/has+动词的过去分词①肯定句:主语+have/has+动词的过去分词+宾语.②否定句:主语+have/has+not+动词的过去分词)+宾语.③一般疑问句:Have/Has+主语+动词的过去分词+宾语.④特殊疑问句:特殊疑问词或词组+一般疑问句(have/has+主语+过去分词(V-ed)+其他)过去分词变化规则如下:1 、规则动词:规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。

四点变化规则:(1)一般动词,在词尾直接加“ ed ”。

work---worked---worked , visit---visited---visited(2)以“ e ”结尾的动词,只在词尾加“ d ”。

live---lived---lived(3)以“辅音字母+ y ”结尾的动词,将"y" 变为"i" ,再加“ ed ”。

study---studied---studied , cry---cried---cried(4)重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ ed ”。

stop---stopped---stopped , drop---dropped--dropped2 、不规则动词变化需参看不规则动词表逐一熟记。

例如:cut- cut- cut, hit-- hit-- hit二、用法1 、现在完成时用来表示过去发生或已经完成的动作对现在造成影响或后果。

也就是说,动作或状态发生在过去但它的影响现在还存在,强调的是现在。

完成时态总结

完成时态总结

完成时态总结一、现在完成时(Present Perfect)现在完成时用于描述已经发生的动作或事件,与当前的状况或状态有关。

它的结构是“have/has + 过去分词”。

现在完成时常用的情况有以下几种:1.表示过去发生的动作对现在造成的影响或结果。

例如:–I have finished my homework.(我已经完成了作业。

)–She has gone to bed.(她已经上床睡觉了。

)2.表示过去发生的动作与现在持续或重复的动作有关。

例如:–I have visited this museum three times.(我已经参观过这个博物馆三次了。

)–They have lived in this city for five years.(他们在这个城市住了五年了。

)3.表示有经验或经历过某事。

例如:–I have seen that movie before.(我以前看过那部电影。

)–Have you ever been to Paris?(你去过巴黎吗?)4.表示刚刚发生的动作或新闻。

例如:–The plane has just landed.(飞机刚刚降落。

)–I have received an email from my boss.(我收到了老板的邮件。

)二、过去完成时(Past Perfect)过去完成时用于描述在过去某一时间或动作之前已经发生的动作或事件,它的结构是“had + 过去分词”。

过去完成时常用的情况有以下几种:1.表示在过去某一时间点之前发生的动作。

例如:–She had already left when I arrived.(当我到达时,她已经离开了。

)–They had finished dinner before the guests arrived.(客人到达之前,他们已经吃完晚饭了。

)2.表示过去某一动作之前已经完成的动作。

例如:–I had studied English for two years before I moved to Canada.(在我搬到加拿大之前,我已经学习了两年英语。

现在完成时的用法和构成总结

现在完成时的用法和构成总结

现在完成时的构成和用法❖ 1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。

❖ 2.时间状语:yet,already,just,never,ever,so far,by now,since+时间点,for+时间段,recently, lately, in the past few years, etc.❖ 3.基本结构:主语+have/has +p.p(过去分词)+其他❖ 4.否定形式:主语+have/has + not +p.p(过去分词)+其他❖ 5.一般疑问句:Have / Has + 主语+ 过去分词+ 其他❖ 6. 特殊疑问句:(疑问词+)Have / Has + 主语+ 过去分词+ 其他?❖7.例句:I've written an article.The countryside has changed a lot in the past few years.❖8.have been 与have gone 的用法比较have been to a place 意思是“到过,去过”,表示曾经到过某处,但现在人不在那儿。

have gone to 意思是“去了”,表示已经去了某地,现在人可能在去的途中或已在那儿了。

Has she ever been to Nanjing? 她曾去过南京吗?You have never been there, have you? 你以前从未去过那儿,是吗?I have been to Guiling ,I went there last year. 我去过桂林,我去年去的。

She has gone to Nanjing. 她已经去南京了。

现在完成时专项练习一.单项选择。

1.–Where is Mr. Liu? -----He _______the library.A. has been toB. has gone toC. has been in2.The students have cleaned the classroom, ________?A. so theyB. don’t theyC. have theyD. haven’t they3.I like Hainan. I ________there three times.A. wentB. goC. have beenD. have gone4.We came to Nanjing three years ago, so we ________ here for three years.A. have been toB. have been inC. have beenD. have gone5. - How long ______you_______ your dictionary? - About two months.A. did; buyB. have; getC. have; hadD. have; bought6.He tells me he________ China for over five years. A. has beenB. has been inC. has been toD. has gone to7.______has Mr White been a member of Greener China since he_______ to China?A.How soon, comesB. How often, gotC. How long, cameD. How far, arrived8.His uncle________ for more than 9 years.A.has come hereB. has started to workC. has lived thereD. has left theuniversity二、按要求改写句子。

现在完成时态的用法总结

现在完成时态的用法总结

现在完成时态的用法总结
1.表示过去的经历或经历:
运动员:I have played soccer since I was a child. (我从小就开始踢足球了。


老师:She has taught English for 10 years.(她已经教了10年英语。


2.表示过去一些时间开始,但一直持续到现在的动作:
我们已经等了一个小时了。

:We have been waiting for an hour.
我已经住在这个城镇上10年了。

:I have lived in this town for 10 years.
3.表示过去一些时间内发生的具体动作或事件:
我刚刚完成了我的作业。

:I have just finished my homework.
我吃了早饭之后,就去上班了。

:I have gone to work after having breakfast.
4.过去的经历对现在的影响:
我刚刚吃过饭,所以我不饿了。

:I have just had dinner, so I'm not hungry.
我读了很多书,所以我现在的英语水平很高。

:I have read a lot of books, so my English level is high.
5.过去发生、但时间不明确的动作或事件:
我看过这部电影。

:I have seen this movie.你去过巴黎吗?:Have you been to Paris?。

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一、重点语法解析Past nowYesterday , we Now , the classroomcleaned the classroom. is clean becausewe have cleaned it.1. My father bought many books for me yesterday .Now , I have a lot to read because________________________________2. I saw this film last week.Now, I know this film because I_____________________.3. I did my homework yesterday.Now, I can give it to the teacher because I______________Past nowI began to teach I have taught English at this English at this school five school for five years.years ago.1. I am a doctor. I began to work when I was 22.Now , I am 26. I________ for four years.2. We went to the USA last Monday. Today is Monday . We _________(stay) in the USA since last Monday.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,或从过去开始一直延续到现在的动作或保存的状态,强调的是现在的情况,常用for和since表示一段时间的状语或so far,now,today,this week (month,year)等表示包括现在时间在内的状语。

不能和表示过去的时间状语连用(如:in 1990,last Sunday 等)。

例如:He has studied English for 5 years.He has studied English since 2001.Now I have finished the work.注意:表过去某一时间发生的动作或状态一直延续到现在(强调现在),动作或状态一般是延续性的,因此要用表延续性的动词或表状态的动词。

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等表示一段时间的词连用。

也不能用于how long引导的疑问句中。

如不能说:He has borrowed the book for two months.(ⅹ)但可以说:He has kept the book for 2 months.或:It has been 2 months since he borrowed the book.或:Two months has passed since he borrowed the book.这些瞬间动词常与它对应的可以表示时间段的词语进行互换。

become—be borrow—keep buy—havebegin (start)—be on open—be open die—be deadleave--be away come--be here/in go out—be outjoin--be a member/be in begin to study--study注明:非延续性动词在否定结构中可用于现在完成时态:I haven’t bo ught anything for two days.2、现在完成时的结构:have / has + 过去分词否定结构:haven’t / hasn’t + 过去分词一般疑问句中:Have/Has+主语+动词的过去分词3、一般过去时:一般过去时只表示过去的动作或状态,和现在不发生关系(即动作或状态在现在已经结束),它可以和表示过去的时间状语连用。

现在完成时与一般过去时的区别:现在完成时用来表示之前已发生或完成的动作或状态,其结果的确和现在有联系。

动作或状态发生在过去,但它的影响现在还存在;而一般过去时表示过去的事实,不表示和现在的关系。

I have just been to London. I went there last month. 我刚去过伦敦,是上个月去的。

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: yesterday, last week,…ago, in1980, in October, just now, 具体的时间状语共同的时间状语:this morning, tonight, this April, now, once,before, already, recently,lately现在完成时的时间状语for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always,3.现在完成时可表示持续到现在的动作或状态,动词一般是延续性的,如live, teach, learn, work, study, know.过去时常用的非持续性动词有come, go, leave, start, die, finish, become, get married等。

举例: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。

)Why did you get up so early? (强调起床的动作已发生过了。

)Who hasn't handed in his paper? (强调有卷子,可能为不公平竞争。

)She has returned from 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 has been a League member for three years. (是团员的状态可持续)He joined the League three years ago. ( 三年前入团,joined为短暂行为。

)I have finished my homework now.---Will somebody go and get Dr. White?---He's already been sent for.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。

(错)Tom has written a letter to his parents last night.(对)Tom wrote a letter to his parents last night.二、动词的过去分词的规则变化2、不规则动词的过去式以及过去分词巧记规律:AAA:cost-cost-cost read-read-readput-put-put cut-cut-cutlet-let-let set-set-setbeat-beat-beat hit-hit-hit hurt-hurt-hurt spit-spit-spit rid-rid-rid注:原形、过去式和过去分词的词形和读音都相同的单词,结尾字母一般是t或d。

特殊:动词read的过去式和过去分词虽然词形与原形一致,read-read-read,但发音分别是[ri:d]-[red]-[red]。

ABA(含规则动词):有些动词的过去分词与原形是一样的:run-ran-run come-came-comebecome-became-become overcome-overcame-overcome ABB(含规则动词):1.另有一些其它形式的变化。

have (has)-had-had leave-left-leftlose-lost-lost make-made-madefeel-felt-felt spell-spelt-spelt stand-stood-stood2. 改变单词中间元音字母。

sit-sat-sat (babysit) win-won-wonshine-shone-shone hold-held-heldfind-found-found hear-heard-heardhang-hung (hanged)-hung (hanged)ABC:有些动词的过去分词是在原形词尾加n或en,变成以en结尾的单词。

take-took-taken give-gave-givenfall-fell-fallen eat-ate-eatenwrite-wrote-written speak-spoke-spokenfreeze-froze-frozen ride-rode-riddenget-got-gotten (got) forget-forgot-forgotten (forgot)特殊:am/is-was-been are-were-been,do (does)-did-done go-went-gonesee-saw-seen show-showed-shown (showed)lie-lay (lied)-lain (lied)三、重难点词汇精讲1.Have you ever been to an amusement park?have been to ...have been to + 地点:去过某地(已回)have been to表示“到(去)过某处”,现在已不在那个地方。

如:He has been to England.他曾到过英国。

(现在已经不在英国了) Have you ever been to the Great Wall?你到过长城吗?(现在已经不在长城上)have gone to + 地点:去了某地(未回)have gone to表示“去了某处”,“到某处去了”,现在已不在说话的地点了。

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