现在完成时用法84576
现在完成时的用法和意义

现在完成时的用法和意义现在完成时是英语中的一种时态,用来表示过去发生的与现在有关的动作或状态。
在句子中,现在完成时通常由"have/has + 过去分词"构成,其中have用于第一人称和第二人称,has用于第三人称单数。
现在完成时主要有以下几种用法和意义。
1. 表示过去的动作对现在造成的影响:现在完成时可以突出过去发生的动作对现在产生的影响。
例如:- I have studied English for five years. (我学习英语已经五年了)这句话表示过去五年来一直学习英语,目前我对英语有一定的掌握程度。
2. 表示过去发生的动作对现在的结果或状态:现在完成时经常用来说明过去发生的动作对现在产生的影响或导致的结果。
例如:- She has broken her leg. (她摔断了腿)这句话说明她过去摔断了腿,现在的结果是她无法行走。
3. 表示过去的经历或经验:现在完成时也可用来表达过去的经历或经验,强调对现在的影响。
例如:- I have been to Paris twice. (我去过巴黎两次)这句话表示我过去两次去过巴黎,体验了巴黎的文化和风景。
4. 表示一个在过去开始而一直延续到现在的动作:现在完成时可以表达从过去某一时间点开始一直延续到现在的动作。
例如:- I have lived in this city since 2008. (我从2008年开始就一直住在这个城市)这句话表示我从2008年开始就一直生活在这个城市。
5. 表示刚刚完成的动作:现在完成时也可以表示刚刚完成的动作,这种用法通常与表示刚发生的时间状语连用。
例如:- She has just arrived at the airport. (她刚刚到达机场)这句话表示她刚刚到达机场,强调动作的新鲜性。
6. 表示重复或连续发生的动作:现在完成时还可以表示在过去发生的一系列重复或连续的动作,与表示频率的副词连用。
现在完成时的两种用和三个分清

现在完成时的两种用和三个分清现在完成时的两种用法和三个分清凤冈县第四中学田东一、现在完成时的两种用法:1、表示过去或已经完成的某一动作对现在成的影响或结果。
常与下列状语连用:already, just, yet, ever, never, before。
现在完成时用来表示过去发生或已完成的动作或状态对现在造成的影响或结果,也就是说,动作或状态发生在过去但它的影响现在还存在.I have lost my wallet.(含义是:现在我没有钱花了.)Jane has just had it.(含义是:简现在不饿了.)Michael has been ill.(含义是:现在仍然很虚弱)He has returned from abroad. (含义是:现在已在此地)2、表示过去已经发生,持续到现在的动作或状态,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。
表示持续动作或状态的动词多是延续性动词,常与since和for 连用。
for和表示一段时间的词组连用。
如:for 10 years;since和表示过去某一时刻的词或词组连用。
如:since 1997, since two years ago,since last week二、现在完成时的三个分清:1、分清时间状语现在完成时所表示的是过去的发生的动作对现在造成的影响和结果,强调的是现在的情况,现在完成时往往同表示不确定的过去时间状语连用,如already, yet, just, before, recently, still, lately等;现在完成时常常与表示频度的时间状语连用,如often, sometimes, ever, never, twice等;现在完成时还往往可以同包括现在时间在内的时间状语连用,如now, now, just, today, this morning /week /month / year ,so far等。
现在完成时的用法口诀

现在完成时的用法口诀一、现在完成时的定义和用法现在完成时是英语中一种非常重要的时态,它用来表示过去发生的动作对当前时间产生的影响或结果。
在句子中,现在完成时通常与时间状语词或短语连用,以明确动作发生的时间点或持续的时长。
下面将详细介绍现在完成时的用法,并提供一个简单易记的口诀帮助学习者掌握。
二、构成现在完成时的结构现在完成时由助动词“have/has”和动词过去分词构成。
具体构成方式如下:1. 肯定句结构:主语 + have/has + 过去分词 + 其他成分例如:- I have studied English for five years.(我已经学习英语五年了。
)- She has finished her homework.(她已经完成了家庭作业。
)2. 否定句结构:主语 + have/has + not + 过去分词 + 其他成分例如:- He has not seen the movie yet.(他还没有看过电影。
)- We haven't visited that museum before.(我们以前没有参观过那个博物馆。
)3. 疑问句结构:Have/Has + 主语 + 过去分词 + 其他成分?例如:- Have you ever been to Europe?(你去过欧洲吗?)- Has she finished her presentation?(她完成报告了吗?)三、现在完成时的用法和意义1. 表示过去到现在的经验或经历现在完成时常用来描述从过去某个时间点开始一直延续到现在的动作或状态。
这种情况下,使用程度副词或表达时间段的短语可以更加精确地说明时间长度。
例如:- I have known him since we were in high school.(我认识他自从我们还在中学时。
)- They have lived in this city for ten years.(他们在这座城市已经居住了十年。
现在完成时的用法详解英语

• Is your father in ?
•
No, heha__s_g__o_n__e__t_o___ to Shenzhen.
•
H__a__s___he everb_e_e__n__ there before ?
•
Yes, heh_a_s__b_e__e_n_____ there several times
ago.
A. Did…copy…did
B. Have…copied…have
C. Have…copied…did D. Did …copy…had
5. “Why _A_____ she _______ angry ?”
“Because he _____ at her just now .”
A. did…get…shouted B. has…got…shouted
A. Have…gone to B. Have…gone in
C. Have…been to D. Have …been in
3. My brother _C___college for over three years.
A. has gone to B. has been to C. has been at
但是不能和表示一段时间的状语连用。
短暂性动词变延续性动词:
• join --- be in / a
2) comeb-e-- in / at
• 3) borrow ---keep 4) buy -h-a-ve
5) arrive ---be
6) leave b--e- away (from)
7) begin --b- e on
• It has been colds_in__c_e__ two weeks ago.
现在完成时态用法全面总结(个人原创 绝对好用)

现在完成时用法小结一、现在完成时的构成:助动词have(has)+ 过去分词否定式have(has)not+ 过去分词疑问式:have\has not+主语+过去分词;have\has +主+not+过去分词二、现在完成时态的用法1、表示开始于过去的动作一直持续到现在,而且还可能继续持续下去。
这时,谓语动词一般为延续性动词。
例如:I have been a teacher for 5 years\since 5 years ago.(五年前是个时间点。
一直持续到现在的的状态,一直在做老师,以后还是老师。
)They have lived here for 7 years.(第一层含义,到说话这一刻,一直住在这里,这是一个持续状态。
第二层含义,如果他们正在搬家时候说这句话,则说明live这一事实不再持续,到此为止,他们可能要搬去别处住。
)◆这一用法的特点:谓语动词为延续性动词;动作发生在过去,持续到现在,并有可能继续下去;和“一段时间”的状语连用。
●since+时间段:I have worked in this place since 1990.I have lived in Xi’an since I left school\since 5 years ago●for+ 时间点: I have worked in this place for 20 years.I have lived in Xi’an for 5 years ago.“到目前为止…”:until now, ,up to\ till\until now,so farUntil now,I have been a monitor for 3 years.(放在句末亦可)Our country has until now, ,up to\ till\until now,so farWon 20 golden medals.●“在最近几个世纪、年、月以来……”in \over \during the past few years,for the lastfew century,through centuries,throughout the past decades.For the last few decades, great changes have taken place in Beijing.2.表示过去某时发生或完成的某一动作,谓语动词是短暂性动词(对现在造成的影响或结果)。
现在完成时的用法

一、现在完成时:1 定义:过去发生的事情对现在有影响或结果。
2现在完成时的构成:助动词have/has +P.P.(规则/不规则)否定not,疑问提前3标志词:already/yet/just/ever/never/before/for+时间段/since +过去的时间点(一)现在完成时的用法一1: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。
此时,常与时间副词already(已经/肯),yet(还、已经/否,疑句),just(刚刚、仅仅) ,ever(曾经),never(从不),before(以前)等连用。
1)I've already read this book. 我已经读过这本书了。
(“读”这一动作发生在过去,对现在造成的影响是“知道书中的内容”。
)2)I've washed my clothes already.我已经洗了衣服。
(洗衣服的动作已完成,其结果是“衣服冼干净了”。
)(二)现在完成时用法二2——持续性用法(肯定句,疑问句中谓语动词必须是延续性动词):表示过去已经开始,持续到现在的动作或状态。
此时常与“for +一段时间 或“since+过去的点时间或从句(从句用一般过去时)以及so far(到目前为止)等时间状语连用。
for + 段时间since +点时间实例:1)I've lived here since 1990.自从1990年以来我就住在这里。
= I've lived here since 13 years ago.= I've lived here for 13 years.= It is 13 years since I began to live here.2)I haven't seen him for three years .我三年没有看见他了。
= I haven't seen him since three years ago= I haven't seen him since 2000.= It is 3 years since I saw him last time.3)Mr Wang has worked in the factory since he came to the city .自从到这个城市以来,王先生一直在这家工厂工作。
现在完成时的用法

现在完成时的用法Ⅰ、构成:主语+ have/has +动词的过去分词+其它Ⅱ、用法:1、表示过去发生或已完成的某一动作对现在造成的影响或结果(而且这一结果还存在)。
常与already,just, never, ever (放在句中:即have/has 之后,实义动词之前),before,yet(放在句末)等连用。
例如:⑴、I have already had breakfast.⑵、Have you ever milked a cow?⑶、I haven’t finished my homework yet.⑷、She has just arrived.⑸、I have never heard of that before.2、表示过去已经开始,持续到现在的动作或状态,可以和表示从过去某一时刻开始一直持续到现在(包括现在在内)的一段时间的时间状语连用。
例如:for+ 时间段;since + 时间点或since + 句子:⑴、We have studied English for over 2 years.⑵、We have studied English since 2002.⑶、Tom has lived here since he moved to our village.Ⅲ、特别注意:㈠、只有延续性动词才能和表一段时间的时间状语连用,如:be, have, know, live, work, study, learn, teach, speak, talk, draw, wait, wear, walk,sleep等。
例如:⑴、I have worked here for 3 years/since 3 years ago.⑵、He has known the singer since 5 months ago/for 5 months.⑶、They have lived here since 1990/for 14 years.㈡、短暂性动词不能和表一段时间的时间状语连用。
现在完成时态的用法总结(完整汇总)

now(2000)
since+表示时间点的词或时间状语从句 for +表示时间段的词
I have been a teacher since 1995.
I have been a teacher since I came to Shenzhen. I have been a teacher for five years.
How long has she learnt how to dance?
She has learnt how to dance for five months.
She has learnt how to dance since April.
(2000.4---2000.9)
How long have you learnt English?
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)
You have lived in Shenzhen since 1985. You have lived in Shenzhen for f;表示时间点的词或时间状语从句]
since 1985 now(2000) (for fifteen years)
1985 [for+表示一段时间的词]
Exercises. Use “since” or “ for” to fill in the blank.
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现在完成时(1)基本结构:肯定句: have/has+过去分词(done)+其他否定句:have+not/haven’t +过去分词(done) +其他has+not/ hasn’t+过去分词(done) +其他一般疑问句及回答:Have/Has+主语+过去分词+其他Yes, 主语+have/has.(肯定)No, 主语+haven't/hasn't.(否定)一、表示在过去不确定的时间里发生的对现在造成影响的动作或结果。
I have already spent all of my money.(含义是:现在我没有钱花了)Guo zijun has just come. (含义:郭子君现在在这儿)My father has gone to work.(含义是:我爸爸现在不在这儿)过去分词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:do---did---done go---went---gone come---came---comehave---had---had see---saw---seen be---was/were---been句型转换:1. He has already gone home.___________________________________________ (否定句) ___________________________________________ (疑问句) ________________(肯定回答)________________(否定回答) 2. He has had lunch at home.___________________________________________ (否定句) ___________________________________________ (疑问句) ________________(肯定回答)________________(否定回答) 3. He has finished his homework. (划线提问)_____________________________________________4. I have had lunch at school. (划线提问)_____________________________________________5. I _______ told him the news.(have/has)6. She ________ come back from school.(have/has)7. He has visited the Great Wall. (划线提问)_____________________________________________8. She has studied English for many years. (划线提问)_____________________________________________9. Tom has seen the film. (划线提问)_____________________________________________10. I have washed the clothes.( 划线提问)_____________________________________________现在完成时(2)表示在过去不确定的时间里发生的对现在造成影响的动作或结果, 常与时间副词already(已经),yet(还、已经),just(刚刚、仅仅) ,ever(曾经),never (从不),before(以前)等连用。
1. already意为“已经”,通常用于肯定句中,可放在助动词之后,过去分词之前,也可以放在句末。
实例:I’ve already read this book.I’ve washed my clothes already.2. yet用在疑问句中意为“已经”,用在否定句中意为“还”,常放在句末。
实例:—Has he found his watch yet—No,not yet.The woman hasn't found her dog yet .3. just意为“刚刚”,表示行为刚刚过去,常放在助动词与过去分词之间。
实例: He has just come back from school.4. ever意为“曾经”,放在助动词与过去分词之间。
实例:Have you ever been to Hong KongI haven’t ever spoken to her.5. never意为“从来没有”常与before连用(before要放在句尾,而never多放在助动词与过去分词之间。
实例:I have never travelled by plane before.6. before意为“以前”,指过去不确定的某个时间,总是放在句末,不受句型的限制。
实例:Have you ever been to Hainan beforeI haven’t eaten Guangdong food before.把already,yet,just,ever,never,before放在句中适当的位置。
1、Jim has finished doing his homework. (already)_______________________________________________________ 2、My father has been to the Great Wall before. (never)_______________________________________________________ 3、She hasn’t seen the new film.(yet)_______________________________________________________ 4、She has been to Shanghai before.(ever)_______________________________________________________ 5. Have you found your watch(yet)_______________________________________________________ 6. ---Are you thirsty---No I have had some orange juice.(just)_______________________________________________________ 7. We have returned (return) the book.(already)_______________________________________________________ 8. I haven’t finished my homework. (yet) Can you help me_______________________________________________________ 9. My father have read the novel.(ever)_______________________________________________________’ve arrived by train.(just)_______________________________________________________不规则动词:do---_____---_____ go---_____---_____ come---_____---_____ have---_____---_____ see---_____---_____ be---_____---_____ read---read---read eat---ate---eaten speak---spoke---spoken find---found---found get---got---gotten/got win---won---won现在完成时(3)用法二:现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作或状态,常与for(+时间段),since(+时间点或过去时的句子)连用, 对for 和since引导的时间状语提问要用How longfor + 段时间since+过去一个时间点(译为:自从……以来)since+时段+agosince+句子(过去时)1) I've lived here for 16 years.I've lived here since 1990.I've lived here since 16 years ago.Mr Wang has lived in the factory since he came to the city.2) I haven't seen him for three years .我三年没有看见他了。
= I haven't seen him since 2013.= since three years ago=I haven't seen him since I saw him last time in 2013.练习A)(用for或since填空)1. He has lived in Nanjing ______ two years ago.2. I’ve known him ______ we were children.3. Our teacher has studied Japanese ______ three years.4. She has been away from the city _______ about ten years.5. It has been ten years ______ she left the city.B)(完成下列句子)1. 她在这所教学已经有五年了。