with+的用法详解

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独立主格with用法小全

独立主格with用法小全

独立主格篇独立主格,首先它是一个“格”,而不是一个“句子”。

在英语中任何一个句子都要有主谓结构,而在这个结构中,没有真正的主语和谓语动词,但又在逻辑上构成主谓或主表关系。

独立主格结构主要用于描绘性文字中,其作用相当于一个状语从句,常用来表示时间、原因、条件、行为方式或伴随情况等。

除名词/代词+名词、形容词、副词、非谓语动词及介词短语外,另有with或without短语可做独立主格,其中with可省略而without不可以。

*注:独立主格结构一般放在句首,表示原因时还可放在句末;表伴随状况或补充说明时,相当于一个并列句,通常放于句末。

一、独立主格结构:1. 名词/代词+形容词He sat in the front row, his mouth half open.Close to the bank I saw deep pools, the water blue like the sky.靠近岸时,我看见几汪深池塘,池水碧似蓝天。

2. 名词/代词+现在分词Winter coming, it gets colder and colder.The rain having stopped, he went out for a walk.The question having been settled, we wound up the meeting.也可以The question settled, we wound up the meeting.但含义稍有差异。

前者强调了动作的先后。

We redoubled our efforts, each man working like two.我们加倍努力,一个人干两个人的活。

3. 名词/代词+过去分词The job finished, we went home.More time given, we should have done the job much better.*当表人体部位的词做逻辑主语时,不及物动词用现在分词,及物动词用过去分词。

with的用法就近原则

with的用法就近原则

With的用法就近原则With是英语中常用的介词之一,它在句子中主要用来表示伴随、具有某种特征或条件的关系。

在使用with时,需要注意它的就近原则,即要确保其后的名词与之搭配合理、符合逻辑。

下面我们将对with的用法做详细解释。

首先,with通常用于表示伴随关系。

例如,“She walked to the park with her dog.”这句话中,with连接了主语she和伴随的宾语her dog,表示她在去公园的路上有一只狗陪伴。

这种情况下,with后面的名词应为与主语有明确联系的名词,以确保表达清晰。

其次,with也可以表示具有某种特征或条件的关系。

比如,“He speaks with confidence.”这句话中,with连接了主语he和具体特征confidence,表示他说话时具备自信。

在这种情况下,也要注意确保with后面的名词能够准确描述所指特征或条件。

另外,with还可用来表示使用某物的关系。

比如,“She wrote a letter with a pen.”这里with连接了动作的执行者she和使用的工具pen,表示她写信时所用的工具是钢笔。

使用with表示使用关系时,要确保名词真正是执行动作或过程中所需要的工具或材料。

此外,with还可用来表示附加信息或条件。

比如,“The cake comes with a free drink.”这句话中,with连接了主语the cake和额外提供的免费饮料,表示购买蛋糕时附赠一份饮品。

在这种情况下,with后的名词通常表示额外附加的内容或条件。

最后,with也可用于强调某种状态或情况。

比如,“He stood with arms crossed.”这句话中,with连接了主语he和身体姿势arms crossed,强调了他站立时交叉双臂的状态。

在这种情况下,with后的名词通常指代描述主体状态或行为的名词。

总之,with作为一个常见的英语介词,在句子中扮演着重要的连接作用,能够表达出伴随、特征、使用、附加信息或条件、强调等多种关系。

独立主格+with用法小全

独立主格+with用法小全

独立主格篇独立主格,首先它是一个“格”,而不是一个“句子”。

在英语中任何一个句子都要有主谓结构,而在这个结构中,没有真正的主语和谓语动词,但又在逻辑上构成主谓或主表关系。

独立主格结构主要用于描绘性文字中,其作用相当于一个状语从句,常用来表示时间、原因、条件、行为方式或伴随情况等。

除名词/代词+名词、形容词、副词、非谓语动词及介词短语外,另有with或without短语可做独立主格,其中with可省略而without不可以。

*注:独立主格结构一般放在句首,表示原因时还可放在句末;表伴随状况或补充说明时,相当于一个并列句,通常放于句末。

一、独立主格结构:1. 名词/代词+形容词He sat in the front row, his mouth half open.Close to the bank I saw deep pools, the water blue like the sky.靠近岸时,我看见几汪深池塘,池水碧似蓝天。

2. 名词/代词+现在分词Winter coming, it gets colder and colder.The rain having stopped, he went out for a walk.The question having been settled, we wound up the meeting.也可以The question settled, we wound up the meeting.但含义稍有差异。

前者强调了动作的先后。

We redoubled our efforts, each man working like two.我们加倍努力,一个人干两个人的活。

3. 名词/代词+过去分词The job finished, we went home.More time given, we should have done the job much better.*当表人体部位的词做逻辑主语时,不及物动词用现在分词,及物动词用过去分词。

Python中with用法详解

Python中with用法详解

Python中with⽤法详解⼀、with语句的原理上下⽂管理协议(Context Management Protocol):包含⽅法__enter__()和__exit__(),⽀持该协议的对象要实现这两个⽅法。

上下⽂管理器(Context Manager):⽀持上下⽂管理协议的对象,这种对象实现了__enter__()和__exit__()⽅法。

上下⽂管理器定义执⾏with语句时要建⽴的运⾏时上下⽂,负责执⾏with语句块上下⽂中的进⼊与退出操作。

通常使⽤with语句调⽤上下⽂管理器,也可以通过直接调⽤其⽅法来使⽤。

说完上⾯两个概念,我们再从with语句的常⽤表达式⼊⼿,⼀段基本的with表达式,其结构是这样的:1 with EXPR as VAR:23 BLOCK其中EXPR可以是任意表达式;as VAR是可选的。

其⼀般的执⾏过程是这样的:1. 执⾏EXPR,⽣成上下⽂管理器context_manager;2. 获取上下⽂管理器的__exit()__⽅法,并保存起来⽤于之后的调⽤;3. 调⽤上下⽂管理器的__enter__()⽅法;如果使⽤了as⼦句,则将__enter__()⽅法的返回值赋值给as⼦句中的VAR;4. 执⾏BLOCK中的表达式;5. 不管是否执⾏过程中是否发⽣了异常,执⾏上下⽂管理器的__exit__()⽅法,__exit__()⽅法负责执⾏“清理”⼯作,如释放资源等。

如果执⾏过程中没有出现异常,或者语句体中执⾏了语句break/continue/return,则以None作为参数调⽤__exit__(None, None, None);如果执⾏过程中出现异常,则使⽤sys.exc_info得到的异常信息为参数调⽤__exit__(exc_type, exc_value, exc_traceback);6. 出现异常时,如果__exit__(type, value, traceback)返回False,则会重新抛出异常,让with之外的语句逻辑来处理异常,这也是通⽤做法;如果返回True,则忽略异常,不再对异常进⾏处理。

with复合结构和介词

with复合结构和介词

with复合结构(1)with+宾语+不定式通常表示不定式所表示的动作尚未发生或在当时看来尚未发生。

如:The person with the most to lose is the director.损失最大的是主任。

With all this work to do,I won’t have time to go out.有这么多工作要做,我就没有时间出去了。

(2)with+宾语+用现在分词指动作正在进行或在当时看来已是一种在持续的状态。

如:He soon fell asleep with the light still burning.灯还亮着他很快就睡着了。

The day was bright,with a fresh breeze blowing.天气晴朗吹着一股清风。

注:正如进行时态有时可以表示将来意义一样,有时“现在分词”也可表示将来意义。

如:With winter coming on,it’s time to buy warm clothes.冬天就要到了,该买暖和衣裳了。

(3)with+宾语+用过去分词指与其前的名词或代词为被动关系。

如:She sat with her head bent.她低着头坐在那里。

I dare you to run across the road with your eyes shut.我量你不敢闭着眼睛跑过马路。

介词of用法注意1.表示所有关系,用以构成名词的所有格,如the gate of the school(校门),the secret of success(成功的秘密),等。

注意以下正误表达:正:He is a friend of my father.他是我父亲的一位朋友。

正:He is a friend of my father’s.他是我父亲的一位朋友。

正:He is a friend of mine.他是我的一位朋友。

误:He is a friend of me.以下表达是错误的:误:What’s the name of you?(改为…your name)误:Do you know the father of him?(改为…his father)误:I will show the books of me.(改为…my books)但是以下表达却是对的(of表示动宾关系):正:I hate the sight of him.我讨厌看到他。

英语介词with的用法总结

英语介词with的用法总结

英语介词with的用法总结with是一个常见的英语介词,基本含义是“用”,但它在句子中可以协助构成丰富多样的句型,具有副词和形容词两种作用。

其用法总结如下:- 副词用法:- “with+宾语+现在分词或短语”,如:This article deals with common social ills, with particular attention being paid to vandalism.- “with+宾语+过去分词或短语”,如:With different techniques used, different results can be obtained.- “with+宾语+形容词或短语”,如:With so much water vapour present in the room, some iron-made utensils have become rusty easily.- “with+宾语+介词短语”,如:With the school badge on his shirt, he looks all the more serious.- “with+宾语+副词虚词”,如:You cannot leave the machine there with electric power on.- 形容词用法:- “with+宾语+现在分词或短语”,如:The body with a constant force acting on it moves at constant pace.- “with+宾语+过去分词或短语”,如:Throw away the container with its cover sealed.- “with+宾语+形容词或短语”,如:Put the documents in the filing container with all the drawers open.- “with+宾语+介词短语”,如:The young lady with a red ribbon on her head is my former maths teacher.- “with+宾语+副词虚词”,如:Is there any water in the kettle with this cover off?with的用法非常灵活,在不同的语境中可能会有不同的含义和用法。

英语重点词汇with的复合结构用法详解

英语重点词汇with的复合结构用法详解

英语重点词汇with的复合结构用法详解with的复合结构基本用法它是由介词with或without+复合结构构成,复合结构作介词with或without的复合宾语,复合宾语中第一部分宾语由名词或代词充当,第二部分补足语由形容词、副词、介词短语或非谓语动词充当一、with或without+名词/代词+形容词例句:1.I like to sleep with the windows open.我喜欢把窗户开着睡觉。

(伴随情况)2.With the weather so close and stuffy, ten to one it'll rain presently.大气这样闷,十之八九要下雨(原因状语)二、with或without+名词/代词+副词例句:1.She left the room with all the lights on.她离开了房间,灯还亮着。

(伴随情况)2.The boy stood there with his head down.这个男孩低头站在那儿。

(伴随情况)三、with或without+名词/代词+介词短语例句:1.He walked into the dark street with a stick in his hand.他走进黑暗的街道时手里拿着根棍子。

(伴随情况)2. With the children at school, we can't take our vacation when we want to.由于孩子们在上学,所以当我们想度假时而不能去度假。

(原因状语)四、with或without+名词/代词+非谓语动词1、with或without+名词/代词 +动词不定式,此时,不定式表示将发生的动作。

例句: 1.With no one to talk to, John felt miserable.由于没人可以说话的人,约翰感到很悲哀。

(原因状语)2. With a lot of work to do, he wasn't allowed to go out.因为还有很多工作要做,他没有被允许外出。

with用作介词的含义

with用作介词的含义

with用作介词的含义with做介词,意思是和…在一起、和、同、跟、有、具有、带有、用、使用、以、借。

with的用法:1.与…(在)一起,带着。

Come with me. 跟我一起来吧。

2.(表带有或拥有)有…的,持有,随身带着。

I have no money with me. 我没有带钱。

3.(表方式、手段或工具)以,用She wrote the letter with a pencil. 她用铅笔写那封信。

with 结构作定语,修饰前面的名词(可以是紧跟的名词,也可以是不紧跟的名词,)作定语,带有……的特征。

4、with 结构修饰名词,with 作后置定语,不紧跟前面名词的情况。

例,Bihar is India's poorest state, with an annual per capita income of $111, lower than that of the mostimpoverished countries of the world.with 结构修饰Bihar5、with 结构修饰名词,紧跟名词的情况。

例,Under the restructuring, the huge organization that operates the company's basic businesses will be divided intofive groups, each with its own executive.with 结构修饰each (group)6.(表材料或内容)以,用Fill the glass with wine.把杯子装满酒。

7.(表状态)在.的情况下,. .地He can read French with ease.他能轻易地读法文。

8.(表让步)尽管,虽然With all his money, he is unhappy.尽管他有钱,他并不快乐。

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with a computer
三、with 表原因或理由 John was in bed with high fever . 他因高兴跳起来。 with happiness He jumped ___________________ 四、with 表“带来”,或“带有,具有”,在…身 上,在…身边之意 Do you have money with you ?
with的复合结构(with+ 宾语+ 宾补) 1) He lay there with his eyes looking at the sky. 2) The thief was brought in with his hands tied back 3) With all these mouth to feed, he didn’t know what to do. 4) The teacher came in with some textbooks under her arm. 5) When he is eating, he doesn’t speak with his mouth full of food. 小结:with + n. + doing (主动,进行) / done (被动,完成) / to do (目的,将来) / 介词短语 / 形容词
4、with或without+名词/代词+to do With the book to help ①___________________________, you can finish your work _____________________. as soon as possible 有这本书来帮忙,你能尽快完成工作。 too many problems to settle the new manager ②With ____________________________, was _____________________eat anything . too worried to 有着太多问题去处理,经理担忧的吃不下任何东西。 5、with或without-名词/代词+V-ed ①The boy was crying ________________________ with the toy broken 玩具坏了,那男孩在哭。 ②Possibly this person died without anyone knowing _________________________________ where the coins are 可能这个人去世后,无人知道这批硬币藏于何处。 6、with或without-名词/代词+V-ing With time permitting we will visit the summer Palace. ___________________, 如果时间许可的话,我们将参观颐和园
pocket?
with的复合结构(with/without+ n.+ 宾补) 4. With the boy to lead the way,we will find the house easily tomorrow. to do (目的,将来) 5. With the boy leading the way,we found he house easily. doing (主动,进行) 6. He lay on the bed with the bedroom door shut. The fellow stood there with his hands crossed . done (被动,完成) with/without + n. + to do (目的,将来) doing (主动,进行) / done (被动,完成) /
with 的用法
• Part A with + n./pron. 一、with表拥有某物 Mary married a man with a lot of money . Ex: 我经常梦想有一个带花园的大房子。 I often dream of a big house with a garden icture with a pencil . Ex: 这位老人在学着用电脑上网 The elderly is learning to surf the Internet
with you in case it rains 随 Take the umbrella _________ 身带伞,以防下雨。
with的复合结构(with/without+ n.+ 宾补) 1. Tom always sleeps with his eyes open. adj. 2. The boy ran out with nothing on. adv. 3. The teacher entered the classroom with a book in his hand. 介词短语. 小结:with/without + n. + adj./ adv./ 介词短语. adj. EX. 1. 门开着,他就离开了屋子。 with the door open. He left the room _________________________ adv. 2. 收音机没开着,奶奶在椅子里沉沉的睡着。 Without the radio on grandma slept deeply in the chair _______________, 3.你认识那个双手插在口袋里的那个绅士吗? with his hands in the Do you know the gentleman______________
5. Tomber’s father, Mukap, led us to his house, a low bamboo hut with grass sticking out of the roof--- this shows it’s a man’s house. with grass sticking out是“with + n. +动 词-ing形式短语”构成的with复合结构。
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