谈谈have作助动词用法
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has have的用法一、介绍has和have都是英语中的助动词,用于构成各种时态和语态。
它们的使用非常广泛,是英语学习中必须掌握的重要知识点。
本文将详细介绍has和have的用法及注意事项。
二、has的用法1. 现在完成时has + 过去分词,表示动作已经完成或发生在过去但对现在有影响。
例句:- I have finished my homework.(我已经完成了我的作业。
)- She has lived in London for five years.(她已经在伦敦住了五年了。
)2. 第三人称单数现在时has + 动词原形,表示第三人称单数主语现在正在进行的动作。
例句:- He has a car.(他有一辆汽车。
)- She has a lot of friends.(她有很多朋友。
)3. 表示所有格has + 名词,表示某物属于某人或某物拥有某个特定属性。
例句:- The cat has a long tail.(这只猫有一条长尾巴。
)- My sister has beautiful hair.(我的姐姐有漂亮的头发。
)4. 表示存在has + 名词,表示某个事物存在或发生。
例句:- There has been an accident.(发生了一起事故。
)- The company has a new CEO.(这家公司有一位新的CEO。
)三、have的用法1. 现在完成时have + 过去分词,表示动作已经完成或发生在过去但对现在有影响。
例句:- I have eaten breakfast.(我吃过早饭了。
)- They have visited Paris twice.(他们已经两次去过巴黎。
)2. 现在时have + 动词原形,表示主语现在正在进行的动作。
例句:- We have lunch at noon.(我们中午吃午饭。
)- They have a meeting every Monday.(他们每周一开会。
have 和had的用法一、have和had的用法概述在英语中,have和had是常见的动词,它们在不同的语境中有着不同的用法。
本文将详细介绍have和had的用法,在使用过程中需要注意的细节以及相关的例句来帮助读者更好地理解。
二、have的基本用法1. 表示拥有或持有Have可作为一个实义动词表示“拥有”或“持有”某物。
例如:- I have a dog.(我有一只狗。
)- She has a beautiful house.(她有一座漂亮的房子。
)2. 表示经历或体验Have还可用来表示经历、感受或体验某种情感。
例如:- They had a wonderful vacation in Hawaii.(他们在夏威夷度过了一个美妙的假期。
)- I have had a great time at the party.(在聚会上我玩得很开心。
)3. 表示需要或要求Have也可以表示“需要”、“要求”,后面跟名词或动名词形式。
例如:- I have to finish my homework before going out to play.(我必须先完成作业才能出去玩。
)- He had his car repaired yesterday.(他昨天修了他的车。
)三、had作为过去式和过去分词的用法1. 表示过去的动作或状态在过去时态中,have的过去式是had。
例如:- She had lunch with her friends yesterday.(她昨天和朋友一起吃了午饭。
)- They had a great time at the concert last night.(他们昨晚在音乐会上玩得很开心。
)2. 作为助动词构成完成时态Had还可以作为助动词与过去分词形式构成完成时态。
例如:- She had finished her work before the deadline.(她在截止日期之前完成了工作。
1.表示“有”的意思。
〔注 1〕:其否定和疑问形式变化,在美国通常用助动词 do。
〔注 2〕:在英国口语中常用 have got 代替 have.Look, can’t you see I've got teeth, too,(JBⅤL1)I haven't got any jewelry.(SB Ⅰ L5)2.have 和一些其他名词连用,表示:(1)一种活动。
We have no classes on Sunday. (上课) (JBⅡL11)they’re going to have a volleyball match. (举行比赛) (JBⅢL11)(2)患病。
(3)发生的情况。
I've had so many falls that I'm black and blue all over. (跌跤) (JBⅣL10)(4)生育。
The queen ant may have tens of thousands of babies in one summer.(SB Ⅰ L14)3.和一与动词同形的名词连用,表示一个动作( have+a+由动词转化和名词)。
Are you going to have a swim.(JBⅢL1)I noticed he had on bedroom slippers.(SBⅡL6)5.表示“吃”、“喝”。
I wanted to have a cup of tea and some eggs.(JBⅢL10)Does she have lunch at home?(JBⅡL11)6.组成复合结构即“have+宾语+宾语补足语”。
(1)不加 to 的动词不定式作宾语补足语 (have sb. do sth.) ,表示让、叫某人做某事。
The soldier had him stand with his back to his father.(SB Ⅰ L17)〔注〕:否定结构表示不“能让… ”或从“未有人… ”.We won't have you blame it on others.She had never had anybody speak to her that way before.(2)现在分词作宾语补足语(have sb.(sth.)doing) ,表示让(使)某人做某事。
初三英语中考语法考点重难点详解(35)助动词have,has,had,having知识点总结整理今天我们说说have 作为助动词的用法,前面我们说过,理解助动词重在明白一个“助”字,即帮助后面的主动词,完成“时和数”的概念表达。
have 作为助动词用,仅用于完成时中,have 的变化:单三的情况---has;非单三情况---have;过去式---had。
have 、has 用于现在完成时,had 用于过去完成时,后面都跟过去分词。
1. 在现在完成时中,谓语动词的完整形式是“ have/has + 过去分词”,如果主语不是单三的,就用have:Have you had any coffee yet? 你喝点咖啡没有?I have had some coffee. 我已经喝了一些咖啡。
以上两句中,都是用have 帮助后面的had(喝),与had一起构成完整的“现在完成时的谓语动词”。
2. 如果主语是单三的,就会用has 来帮忙,以反映主语的“单三”属性。
He has finished already. 他已经完成了。
Has your father come back yet? 你爸爸已经回来了吗?3. 上面是现在完成时的例子,关于现在完成时,我们会在随后的时态讲解中展开。
下面看看had ---过去完成时的助动词。
过去完成时的用法,大家可以简单地理解为“过去的过去”,在过去完成时中,完整的谓语结构“had + 过去分词”:When I entered the classroom, I found thatthey had mopped the floor carefully. 当我走进教室,发现他们已经把地板仔细地拖过了。
这里的had 就是后面mopped 的助动词,以帮助mopped表明“过去”的时间概念。
在过去完成时中,不区分单复数。
4. 另外,还有一个having,稍微复杂一点,先看例句:Having done all this, he rested. 做完了这些,他歇息了。
最牛英语口语培训模式:躺在家里练口语,全程外教一对一,三个月畅谈无阻!洛基英语,免费体验全部在线一对一课程:/ielts/xd.html(报名网址)1)have +过去分词,构成完成时态,例如:He has left for London.他已去了伦敦。
By the end of last month, they had finished half of their work.上月未为止,他们已经完成工作的一半。
2)have + been +现在分词,构成完成进行时,例如:I have been studying English for ten years.我一直在学英语,已达十年之久。
3)have+been +过去分词,构成完成式被动语态,例如:English has been taught in China for many years.中国教英语已经多年。
1) be +现在分词,构成进行时态,例如:They are having a meeting.他们正在开会。
English is becoming more and more important. 英语现在越来越重要。
2)be + 过去分词,构成被动语态,例如:The window was broken by Tom..窗户是汤姆打碎的。
English is taught throughout the world.世界各地都教英语。
3) be + 动词不定式,可表示下列内容:a. 表示最近、未来的计划或安排,例如:He is to go to New York next week..他下周要去纽约。
We are to teach the freshpersons.我们要教新生。
说明:这种用法也可以说成是一种将来时态表达法。
b. 表示命令,例如:You are to explain this.对此你要做出解释。
He is to come to the office this afternoon.要他今天下午来办公室。
havd has的用法使用have has的正确用法一、介绍"have" 和 "has" 是英语中常用的助动词,用于表示动作或状态。
本文将解释这两个词的正确用法以及它们在句子中的不同应用。
二、have 的用途1. 表示拥有"Have" 可以用来表示某人拥有某样东西。
例如:- I have a car.(我有一辆车。
)- She has two cats.(她有两只猫。
)2. 表示经历或体验"Have" 还可以表示某人经历过某件事情或曾经具备某种特征。
例如:- He had a great time at the party last night.(昨晚他在派对上玩得很开心。
)- They have had many difficulties in their relationship.(他们在关系中经历了许多困难。
)3. 表示从事活动当表示从事某种活动时,我们可以使用 "have". 例如:- I have a meeting tomorrow morning.(明天早上我有一个会议。
)- They had a concert last week. (上周他们举行了一场音乐会。
)三、has 的用途与 "have" 相比,“has” 主要是在第三人称单数形式中使用。
1. 当主语为第三人称单数时,我们使用 "has" 来代替 "have"。
例如:- She has a beautiful voice.(她有一副美丽的嗓音。
)- He has three brothers. (他有三个兄弟。
)2. 表示发生的动作"Has" 还可以用来表示某事已经发生或正在进行中。
例如:- The movie has started.(电影已经开始了。
英语助动词be、have和do摘要英语助动词是一类没有实际意义,但可以帮助构成各种时态、语态、疑问句、否定句等的词。
英语中有三个基本的助动词,分别是be、have和do。
这三个助动词在英语中有着重要的作用,不仅可以作为助动词,还可以作为实义动词或系动词。
本文将介绍这三个助动词的形式、用法和搭配,并通过表格和例句来说明它们的区别和联系。
一、be 助动词1. be 助动词的形式be 助动词有以下几种形式,根据主语的人称、数和时态而变化:人称单数复数第一人称am are第二人称are are第三人称is are时态过去式现在式将来式一般时was/were am/is/are will be进行时was/were being am/is/are being will be being完成时had been have/has been will have been2. be 助动词的用法be 助动词主要有以下几种用法:与现在分词构成进行时态,表示正在进行或发生的动作或状态。
例如:He is reading a book. 他正在读一本书。
They were playing soccer yesterday. 他们昨天在踢足球。
She will be working tomorrow. 她明天会在工作。
与过去分词构成被动语态,表示主语承受或遭受的动作或状态。
例如:The door is locked. 门被锁上了。
The cake was made by her. 蛋糕是她做的。
The book will be published next month. 这本书下个月会出版。
与不定式构成不定式结构,表示主语的打算、计划、安排或义务等。
例如:He is to leave tomorrow. 他明天要离开。
They were to meet at the station. 他们本来要在车站见面。
You are not to smoke here. 你不可以在这里抽烟。
have has had的区别和用法
have,hashad是助动词,它们都表示英语中的“有”,但它们的用法和意义上有明显的区别。
首先,have, has had具有相同的形式,只是在时态上存在着不同。
have表示现在完成时,可以指完成过去和现在的行为,例如: He has lived here for twenty years.
他在这里住了20年了。
Has示现在时,肯定句的一般疑问句和特殊疑问句的形式,后面常跟动词的第三人称单数形式,例如:
Has he arrived?
他到了吗?
Had示过去完成时,例如:
She had finished her work before I got there.
她在我到的时候已经完成了工作了。
另外,have有表示“有”的意思,表示拥有某样东西或者某种能力,在句子中可以做为主语,谓语,宾语等,后面可以带有实义动词或者名词作宾语,例如:
He has a car.
他有一部车。
另外,have还可以表示“进餐”的意思,例如:
We have dinner at 7 oclock.
我们7点钟吃晚饭。
最后,have还可以表示“经历”的意思,例如:
She has a bad experience.
她经历了一段糟糕的经历。
以上就是have, has和had在不同情况下的用法和区别,我们可以根据具体情况选择正确的助动词。
疑问句has和have的用法一、has和have的基本用法(200字左右)英语中,has和have是两个常用的助动词,用于表示第三人称单数和其他人称的现在时态。
具体来说,has用于第三人称单数形式,而have则用于其他人称和复数形式。
它们在句子中起到了表达行为、状态或存在的功能。
例如,在陈述句中,我们可以使用has来描述第三人称单数主语所拥有的事物或经历过的事情。
比如,“He has a new car”表示他拥有一辆新车;“She has been to Paris”表示她去过巴黎。
在疑问句中,has和have也可以被用来提问对方是否拥有某物或经历过某件事情。
例如,“Has he finished his homework?”意思是询问他是否已经完成了作业;“Have they ever tried sushi?”则是询问他们是否尝试过寿司。
总结起来,has适用于第三人称单数形式(he, she, it),而have适用于其他所有人称形式(I, you, we, they)以及复数形式。
二、疑问句中has和have的区别应用(600字左右)1. 指示时间段在疑问句中,根据不同的时间段选择合适的助动词。
当涉及到过去的时间时,我们使用have作为助动词;而涉及到现在或未来的时间时,我们则使用has。
例如,“Have you seen the movie 'Titanic'?”这里使用了have,表达了过去的经历。
而“Has your friend seen the new exhibition yet?”中的has,则表示与现在相关的情况。
2. 指示人称除了涉及时间段外,疑问句中has和have的另一个区别是基于人称。
如前所述,has适用于第三人称单数形式(he, she, it),而have适用于其他所有人称形式(I, you, we, they)以及复数形式。
例如,“Has she finished her presentation?”这里的has指示了第三人称单数形式(she),询问她是否完成了演讲。
英语中have用法总结Have作为一个高频动词,它用法多样,既可作为助动词与分词搭配来表示时态,又可作为主动词与名词等搭配来表示拥有或与某些词构成固定搭配。
下面是小编整理的一些关于have用法总结,希望让大家更好地认识have这个单词,提高英语水平。
英语中have用法总结have作为使役动词1.have somebody do something.意为“使某人做.......”例如:Yesterday I had him clean the classroom.2. have somebody/something doing something.意为“使某人/某物处于做.....状态。
”例如:The thief had the light burning all night long.3.have something done.此短语有三层含义:A.使某事被完成。
B.让别人来做此事。
C.遭遇某种不测。
例如:I had this job finished yesterday. My hair is too long;I'll have it cut. He had his leg broken in the accident. 另外2、3两种结构其前与情态动词连用可表示“容忍.....” 例如:I won't have you saying my father like that! I won't have these words said.二.have搭配的短语归纳1.have a rest=have a break2.have a good /hard time3.have a seat/test/try/an accident4.have a word with=have a talk with5.have access to...6.have an advantange over/of7.have fun8.have an effect on9.have an interest in10.have faith in11.have a taste for12.have an ear/eye/attraction for14.have no idea of15.have nothing 0.have a relation to16.have nothing/ something/a lot to do with17. have respect for18. have the right to do something19.have skill in20.have.....in common三.have常考句型1.have a good/hard time ( in) doing something Having been ill in bed for nearly a month,he had a hard time passing the exam.(04福建 )2.have trouble /diffculty in doing something I have no trouble in finding his house.3.have no choice but to do something I have no choice but to stay here.4.have got=have I have got a pen=I have a pen.5.have been to...(曾经到过某地) have gone to...(已经到....去了)I have been to Beijing.6. have a better understanding of...(精通.....) He has a better understanding of English.。
谈谈have作助动词用法have在现代英语中是用得较多的动词之一。
它除了用作实义动词(ordinary verb), 表示topssess (具有),to hold (保持),to experience (经验)等意义外,还大量用作助动词。
现就其助动词用法作一简述:一、帮助构成完成时和完成进行时的各种时态。
例如:1)完成时:He has finished his task.The sun had already set before we arrived at the railway station.He shall have written the article by then.2) 完成进行时:I have been working as an interpreter for years.He told me that he had been waiting for me even since the morning.二、帮助构成复合谓语(和不定式动词连用)。
1) have to的用法。
具有语气动词的作用,表示必须履行的义务责任(obligation), 或表示客观情况的需要,或必然性,几乎同情态动词must具有同样的意义。
例如:I have to go there = I must go there.If you want to catch the first train you have to leave at six.He sees very badly, he has to wear glasses all the time.The children have to play in the streets till their mothers get home from work.In my district there is no gas laid on; people have to use electricity for every thing.be to和have to在意义上是不相同的。
试比较下面两个句子:We are to finish our work at five o'clock.We have to finish our work at fine o'clock.第一句are to finish 表示预定计划;这是大家知道的。
第二句“have to finish”表示“必须在什么时候完成”,不管我们愿不愿意。
2) had to的用法。
表示在过去时间里客观环境所产生的责任、任务或必然性,可用作must的过去形式。
例如:The buses were all full:I had to get a taxi.She fell ill and had to leave early.I got lost and had to ask a police man the way,When I changed my job, I bad to move to another flat.In October the expedition siled, but it had to make its way against adverse winds.3)have to, had to常在会话中单独使用,这时不定式动词可不提及,但仍可理解。
例如:Do you have to translate the whole text into Japanese? No, you don't have to.why do you always wear dark glasses?I have to (wear them). My eyes are very sensitive.I didn't want to stop but I had to (stop) as I needed petral (汽油)。
三、have + object + past participle 结构.1 )可更为简洁地用来表示下列类型句子的说法。
例如:I employed someonce to do something for me.或:I employed a man to clean my house.可说 I had my house cleaned,使用这种结构时,一定要注意“have +Objetive + pp.”词序。
不然句子的意思就会改变。
试比较下面句子:He had his hair cut.(请别人理了发)He had cut his hair.(在说话前自己已理好发)。
这种结构的嶷问式和否定式要用do构成。
Do you have your windows cleaned every month?I don't have them cleaned. I clean them my-self.He was talking about having central heating put in. Did he have it put in in the end?这种结构可用于进行时态。
例如:I can't ask you to dinner this week as I am having my house painted at the moment andeverything is upside down.He says that the house is too small and that he is having a room built on.2) 这种结构在口语里可用来代替一个被动的动词,这个动词通常涉及某人的某种事故。
His fruit was stolen before he had a chance to pick it.可换为:Fie had his fruit stolen before he had a chance to pick it.Two of his teeth were knocked out in the fight.可以换为:He had two of his teeth knocked out in the fight.在上述1)组里,可以看到句子的主语通常为命令某人做某事的人,但在2 )组里,句子的主语则是遭受某种行为结果的人。
在这组里主语还可以是物、东西。
例如:The houses had their roofs ripped off by the gale.73四、 have + object + present participle 结构.1 )第一种用法表示作为某人努力的一种结果。
例如:I will have you driving in three days. (As a result of my efforts)you will be driving in three days.这种形式常用于上述将来一段时间,也可用于现在时和过去时。
例如:He had them all dancing = He taught persuded them all to dance.I have them all talking to each others I encouraged/persuade them all to talk to each other.这种形式也可用于疑问句中,但通常不用于否定句。
Will you really have her driving in three days?2) 第二种用法表示句子主语将遇到或可能遇到某种不愉快的事。
例如:If you give all-night parties you'll have the neighbours complaining, (the neighbours will complain/will be complaining).If film-stars put their numbers in Telephone books they would have everyone ringing them up.五、 had better + infinifive 不带 to的用法。
这是一种很有用的劝告或警吿某人做某事的形式。
had在这里并不是真实的过去,而是指现在或将来。
如:You had/you'd better start tomorrow.I had/I'd better ring him at once.You'd better return this book today.He had better mend the fuse否定形式是把not放在better之后组成。
例如:You had better not miss the last bus.(I advise you not to miss it.)Then you'd better not answer his letter now.had better通常不正式用在一般疑问句中,但有时可用于疑问句(作为一种劝吿形式) 例如:Hadn't you better ask him first?Hadn't you better renew her licence?Hadn't you better enroll first?注意下列用法:I had better go by train = It would be best for me to go by train. You had better go by bus - It would be best for you to go by bus. 在间接引语中had better和第一或第三人称连用时保持不变,和第二人称连用也可不变,或用:advise + object + infinitive 来表示:He said, "Mary had better hurry气He said that Mary had better hurry,。