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as的用法归纳总结

as的用法归纳总结
as的用法归纳总结

as的用法归纳总结:as作为介词时,用法和语义较单一,其含义为“作为”。但是as 作为连词词性时,其用法和功能较多,可以引导各类从句,as引导原因状语从句、时间状语从句、方式状语从句、让步状语从句和定语从句。

as的用法

1、as做介词,意思是“作为”

例句:

French is known as the most beautiful language in the world.

法语以世界上最美丽的语言著称。

2、as做连词,引导时间状语从句,意思是“当……的时候”

例句:

My mother was cooking fish as I arrived home.

当我到家的时候,我妈妈正在做鱼。

3、as做连词,引导原因状语从句,意思是“因为”

例句:

As rain has fallen, the air is cooler.

因为下过雨,所以空气比较凉爽。

4、as做连词,引导让步状语从句,意思是“虽然”

例句:

Young as he is, he has been one of the most famous painters in our country.

虽然他还很年轻,但已经成为我们国家最有名的画家之一。

5、as做连词,引导方式状语从句,意思是“以……方式”

例句:

Do as the Romans do when in Rome.

入乡随俗

6、as做关系代词,引导定语从句

例句:

This is the same game as I played yesterday. 这和我昨天玩的游戏一样。

初中英语介词用法归纳总结

初中英语介词用法归纳总结 常用介词基本用法辨析 表示方位的介词:in, to, on 1. in 表示在某地范围之内。 Shanghai is/lies in the east of China. 上海在中国的东部。 2. to 表示在某地范围之外。 Japan is/lies to the east of China. 日本位于中国的东面。 3. on 表示与某地相邻或接壤。 Mongolia is/lies on the north of China. 蒙古国位于中国北边。 表示计量的介词:at, for, by 1. at 表示“以……速度”“以……价格”。 It flies at about 900 kilometers an hour. 它以每小时900公里的速度飞行。 I sold my car at a high price. 我以高价出售了我的汽车。 2. for 表示“用……交换,以……为代价”。 He sold his car for 500 dollars. 他以五百元把车卖了。

注意:at表示单价(price) ,for表示总钱数。 3. by 表示“以……计”,后跟度量单位。 They paid him by the month. 他们按月给他计酬。 Here eggs are sold by weight. 在这里鸡蛋是按重量卖的。 表示材料的介词:of, from, in 1. of 成品仍可看出原料。 This box is made of paper. 这个盒子是纸做的。 2. from 成品已看不出原料。 Wine is made from grapes. 葡萄酒是葡萄酿成的。 3. in 表示用某种材料或语言。 Please fill in the form in pencil first. 请先用铅笔填写这个表格。They talk in English. 他们用英语交谈。 表示工具或手段的介词:by, with, on 1. by 用某种方式,多用于交通。 I went there by bus. 我坐公共汽车去那儿。 2. with表示“用某种工具”。

as的几种固定用法

as的几种固定用法 今天和大家一起学习一下at用法,快来一起学习吧,下面就和大家分享,来欣赏一下吧。 语法必看:as的几种固定用法 在英语中as是很常见的一个小词,我们最熟悉的是它作为介词的相关用法,但as还可以充当副词和连词等词性,并构成一些固定搭配,今天准备跟同学们分享一下as的几种基本用法,赶紧收藏学习吧。 as作介词时,一般有两种含义: “如,像”; They got united as one man.他们团结得像一个人一样。 “充当,作为”; As a painter,she was famous.作为画家,她很出名。 as作连词时,常用来连接主句和状语从句 引导时间状语从句,含义为“当...的时候”;

I was startled as he opened the door.他一开门,我吓了一跳。引导原因状语从句,含义为“因为,由于”,与because的用法相近;I must stop walking now,as I have a headache.我必须停下来,因为我头很疼。 引导让步状语从句,含义为“虽然,尽管”; Strange as it may seem,it is true.尽管这事看上去很奇怪,但却是真的。 as还用于一些固定搭配之中: as far as I am concerned 在我看来 as soon as 一...就... as far as I know 据我所知 除上述用法外,as还可用作连词引导状语从句。As作为引导词可连接多类状语从句,如时间状语从句、原因状语从句、方式状语从句或比较状语从句。因此,还望同学们能够记住as的各种用法,一些含as的固定短语还可以用在写作当中。 【基础语法】介词on at用法大全 ?on常见用法 1.动词+on

use用法总结

u s e用法总结 -标准化文件发布号:(9556-EUATWK-MWUB-WUNN-INNUL-DDQTY-KII

use的用法简单归纳如下: 1. used to do sth.意为"过去常常做某事",它表示过去经常发生的动作或存在的状态,而现在已不再发生或存在。这个短语含有今昔对比之意,其否定形式常用used not to或didn't use to。反意疑问句中应该用did/didn't或used/usedn't。例如: I used to swim in this river when I was young.我年轻时常在这条河里游泳。 They used to be good friends, didn't they他们过去是好朋友,是吗? 2. be used to sth. / doing sth.意为"习惯、适应某事/做某事",它表示习惯于某一客观事实或状态,其中to是介词,后面跟名词、代词或动名词;be used可用于多种时态;如强调动作可用get或become替换be。例如: Old people are used to getting up early in the morning.老年人习惯早晨很早起床。 I wasn't used to city life, but now I have got used to living in this city.我以前不习惯都市生活,但现在我已习惯住在这座城市了。 3. be used to do sth.意为"被用来做某事",其中use表"使用"之意,是被动语态形式,to是动词不定式符号。例如: Wood can be used to make paper.树木可以用来造纸。 4. be used for...意为"被当做……",其中use表"使用"之意,是被动语态形式。例如: The seal's fur can be used for coats.海豹皮可当做大衣用。 5. be of use意为"有用的",其中use是名词,可用形容词来修饰。例如: The dictionary is of great use to the students.这本字典对学生们很有用。 6. be in use意为"在使用",其中use也是名词。例如:

As的各种用途

As的各种用途 在英语里,“as”这个字神通广大,有各种用法,下面便是其中九种: 一、用作介词。 用作介词的as 1.表示“如,像”。例如:They got united as one man./She spoke of me as her dearest friend. 2. 表示“作为、当作”。例如:As a League member, you should think more of others. 3. 与某些动词搭配,表示“把……当作……”,如:look on…as…, regard…as…, treat…as…, consider…as…, think of…as…, see…as…等。其中consider…as… 中的as可以省略。as与famous或known搭配,表示“作为……而出名”。 例Linda worked for the Minnesota Manufacturing and Mining Company, ________ as 3M. A. knowing B. known C. being known D. to be known 解析:如果熟悉be known as这一短语,运用有关非谓语动词的常识,可选出正确答案B。 例如: (1)As the new manager of the company, Wilcox assured the staff that he would work for the benefits of the company. (2)The scenery here is beautiful as a picture. 二、用作表示“程度”的副词。例如: 修饰形容词或副词,表示程度,意为“同样地”。例如:He swims fast, but I swim just as fast. 但它通常构成表示比较的结构“as…as…”,“not as…as…”。此结构中第一个as是副词,第二个as是连词。否定结构中的副词as可以由so代替。as…as possible /one can也属于此用法。例如:It is generally believed that teaching is as much an art as it is a science.

介词by用法归纳-九年级

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. . 教学过程 一、课堂导入 本堂知识是初中最常见的介词by的一个整理与总结,让学生对这个词的用法有一个系统的认识。页脚.

. . 二、复习预习 复习上一单元的知识点之后,以达到复习的效果。然后给学生一些相关的单选或其他类型题目,再老师没有讲解的情况下,让学生独立思考,给出答案与解释,促进学生发现问题,同时老师也能发现学生的盲点,并能有针对性地进行后面的讲课。 页脚.

. . 三、知识讲解 知识点1: by + v.-ing结构是一个重点,该结构意思是“通过……,以……的方式”,后面常接v.-ing形式,表示“通过某种方式得到某种结果”,即表示行为的方式或手段。 I practice speaking English by joining an English-language club. 我通过加入一个英语语言俱乐部来练习讲英语。 Mr Li makes a living by driving taxis.先生靠开出租车为生。 页脚.

. . 页脚. 介词by + v.-ing 结构常用来回答How do you...?或How can I...?之类的问题。 —How do you learn English? 你怎样学习英语呢? —I learn English by reading aloud. 我通过大声朗读来学英语。 —How can I turn on the computer? 我怎样才能打开电脑呢? —By pressing this button. 按这个按钮。 知识点2:by 是个常用介词,其他用法还有: 1【考查点】表示位置,意思是“在……旁边”,“靠近……”,有时可与beside互换。 The girls are playing by (beside) the lake. 女孩们正在湖边玩。 此时要注意它与介词near有所不同,即by 表示的距离更“近”。比较: He lives by the sea. 他住在海滨。 He lives near the sea. 他住在离海不远处。

(完整版)havesth.done等四种句型用法差异最全面总结

havesth.done等四种句型用法差异最全面总结 have sth. done,have sb. do , have sb./sth. doing与have sth. to do 等四种句型的区别 Thanks to: 许氏英语教学暨研究工作室 一、Have sth. done可表示四种不同的语法意义 (1)(主语)请/派别人完成某事。 例:①I had(=got) that door painted last week.上星期我请人把那扇门做了油漆。 ②I had(=got) my teeth filled yesterday afternoon.昨天下午我请人补了牙。 (2)(主语)完成某事(可能参与)。 例:①they are going to have (=got) some threes planted.他们打算植些树。 ②we must have (=got) the work finished by Tuesday.我们必 须在星期二以前完成此项工作。 (3)(主语)遭受某种不幸的情况。 例:①I had my hat blown off.我的帽子被(风)吹掉了。 ②I had my leg broken when I got off the bus.下车时我的腿子摔断了。

(4) 用于否定句中,表示“不允许….”“不让”。 例:①I won’t have anything said against her.我不会允许有任何反对她的言论。 ②I won’t have my house turned into a hotel.不不会让我的房子变成一个旅馆。 二、have sb. do表示四种含意 (1)(主语)请/派别人完成某事。可以用“get sb. to do”结构来替换。 例:①I had him repair my bike. (=I got him to repair my bike.)我请他修理自行车。 ②Don’t forget to have him come.别忘了叫他来。 (2)表示主语无意识的行为,这时“have”作“有”解。例:These small animals seem glad to have people visit them. (3)表示主语“经历”某事。 例:He had his mother die.他遭丧母。 (4)在否定句中作“容忍”“允许”解。 例:I won’t have you say such things about her.我不允许你说她这样的话。 三、have sb./sth. doing 表示两种含意或者说一种含意。(1)在肯定句中常表示“让某人做某事”,“让某情况发生”之意,含有动作正在进行之意。 例:①he soon had them all laughing. 他很快让他们都笑了起

as...as的用法

as...as的用法 as...as意为"和……一样",表示同级的比较。使用时要注意第一个as为副词,第二个as 为连词。其基本结构为:as+ adj./ adv. +as。例如: (1)This film is as interesting as that one.这部电影和那部电影一样有趣。 (2)Your pen writes as smoothly as mine.你的钢笔书写起来和我的一样流畅。 其否定式为not as/so +adj./ adv. +as。例如: This dictionary is not as/so useful as you think.这本字典不如你想象的那样有用。 若有修饰成分,如twice, three times, half, a quarter等,则须置于第一个as之前。例如:Your bag is twice as expensive as mine.你的袋子比我的贵一倍。 几个关于as...as的常见句型: (1)as...as possible Please answer my question as soon as possible.请尽快回答我的问题。 (2)as...as usual/before She looks as pretty as before.她看起来和以前一样漂亮。 (3)as long as... (引导条件状语从句) It took us as long as three years to carry out the plan.我们花了长达三年的时间才完成这项计划。 (4)as far as He walked as far as the railway station yesterday evening.昨天傍晚,他一直散步到火车站。 (5)as well as She cooks as well as her mother does.她烧菜烧得跟她母亲一样好。 一些带有as...as结构的常见短语归纳: as busy as a bee像蜜蜂一样忙碌as easy as ABC像ABC一样容易as deep as a well像井一样深 as light as a feather像羽毛一样轻as soft as butter像黄油一样软as rich as a Jew像犹太人一样富裕 一、“as(否定句中可用so)+adj./adv.+as…”,其基本意思为“……和……一样”。但在实际应用中,此结构在不同的语境中含义差异较大。 1、表示不同人或物同一性质的比较,意为“……和……一样……"。 The tree is as tall as the building(is).这棵树和那栋楼一样高。 Michael is as bright as George(is).迈克尔和乔治一样聪明。 2、表示同一个人或物不同性质的比较,意为“既……又……” Alice works as happily as(she)plays(happily).艾丽丝愉快地工作,尽情地玩。 Danny is not so wise as he is witty.丹尼为人风趣,但欠明智。 3、用于表示两个人或物不同性质的比较,表示程度相同或相当,意为“……而……”。 He was as handsome as his wife was beautiful.他长得非常英俊,他的妻子也长得非常漂亮。 He was as experienced as his brother was green.他经验丰富,而他兄弟却涉世未深。 二、as…as结构的另一种形式是“as much/many+名词+as+从句”。 Mary has written as many essays as her brother.玛丽写的文章篇数和她弟弟一样多。 It is as much your fault as your wife’s.这既是你的过错,也是你妻子的过错。 Henry is as much a hypocrite as·John.亨利跟约翰一样是个伪君子。 三、若有修饰成分,如twice,three times,half,a quaer等,必须置于第一个as之前。 You are not half as clever as you think you are.你可不像自己想象的那么聪明。 She isn’t going out with a man who is twice as old as she. 她不打算和一个比她大一倍的人出去散步。 You’ve made just as many mistakes as I have.我和你犯的错误一样多。

超全的英语介词用法归纳总结

超全的英语介词用法归纳总结常用介词基本用法辨析 表示方位的介词:in, to, on 1. in 表示在某地范围之内。 Shanghai is/lies in the east of China. 上海在中国的东部。 2. to 表示在某地范围之外。 Japan is/lies to the east of China. 日本位于中国的东面。 3. on 表示与某地相邻或接壤。 Mongolia is/lies on the north of China. 蒙古国位于中国北边。 表示计量的介词:at, for, by 1. at 表示“以……速度”“以……价格”。 It flies at about 900 kilometers an hour. 它以每小时900公里的速度飞行。 I sold my car at a high price. 我以高价出售了我的汽车。 2. for 表示“用……交换,以……为代价”。 He sold his car for 500 dollars. 他以五百元把车卖了。 注意:at表示单价(price) ,for表示总钱数。

3. by 表示“以……计”,后跟度量单位。 They paid him by the month. 他们按月给他计酬。 Here eggs are sold by weight. 在这里鸡蛋是按重量卖的。 表示材料的介词:of, from, in 1. of 成品仍可看出原料。 This box is made of paper. 这个盒子是纸做的。 2. from 成品已看不出原料。 Wine is made from grapes. 葡萄酒是葡萄酿成的。 3. in 表示用某种材料或语言。 Please fill in the form in pencil first. 请先用铅笔填写这个表格。They talk in English. 他们用英语交谈。 表示工具或手段的介词:by, with, on 1. by 用某种方式,多用于交通。 I went there by bus. 我坐公共汽车去那儿。 2. with表示“用某种工具”。 He broke the window with a stone. 他用石头把玻璃砸坏了。注意:with表示用某种工具时,必须用冠词或物主代词。

插入语用法归纳

插入语用法归纳 插入语用法很多,在句子中的位置比较灵活,在学习中应当认真去体会。大体而言,插入语可以分为以下几类: 1. 用简短的句子结构作插入语。这类短语有:I think, I hope, I guess, I believe, I suppose, I wonder, I tell you, I say, I'm afraid, I'm sure, you see, you know, as you know, that is, that is to say, what's more等等,它们可以置于句中或句尾。如: I suggest you choose someone who you think is kind and friendly. This diet, I think, will do good to your health. It won't be raining long, I hope. You will have to work harder, you know, if you want to succeed. 2. 副词或副词短语用作插入语,这类插入语一般放在句首或句尾。如: Happily for him, his father's second wife was kind to him too. You'll be able to pass the coming exam, surely. Luckily for him, he didn't hurt in the accident. Honestly, I don't need it at the moment. 3. 介词或介词短语作插入语,这类插入语一般放在句首,有时也可放在句中。如: Like most of my schoolmates, I have neither brothers nor sisters-in other words, I'm an only child. By the way, Bob sends his best wishes. On the other hand, I didn't know you were there. In short, things have begun to improve since schools were called on to reduce learning load. 4. 分词短语作插入语。如: Judging from your accent, you must be from England. Generally speaking, he is the best student in our class. Compared with China, the USA is smaller. 5. 不定式短语作插入语。如: To put it mildly, he was not up to the mark. To tell you the truth, I don't want to see her. To be sure, Jim is a faster skater, but he is not good at doing figures. To conclude, it was a great success. 在日常交际用语和书面表达中,插入语频频出现。英语中的插入语(Parenthesis)是插在句子中的一个词,短语或从句,通常被逗号、破折号或句子的其他部分隔开,它与句子的其他部分之间没有语法上的关系,因此,有的语法学家将其归为独立成分。 插入语在句中通常是对一句话的一些附加解释,说明或总结;有时表示说话者的态度和看法;有时起强调的作用;有时是为了引起对方的注意;还可以起转移话题或说明事由的作用;也可以承上启下,使句子与前面的语句衔接的更紧密一些。 插入语大致可分为以下10种类型: 1. 形容词或形容词短语作插入语

as用法大全

一、as作连词的用法 1. as...as的用法 as...as意为"和……一样",表示同级的比较.使用时要注意第一个as为副词,第二个as为连词.其基本结构为:as+ adj./ adv. +as.例如: (1)This film is as interesting as that one.这部电影和那部电影一样有趣. (2)Your pen writes as smoothly as mine.你的钢笔书写起来和我的一样流畅. 其否定式为not as/so +adj./ adv. +as.例如: This dictionary is not as/so useful as you think.这本字典不如你想象的那样有用. 若有修饰成分,如twice, three times, half, a quarter等,则须置于第一个as之前.例如: Your bag is twice as expensive as mine.你的袋子比我的贵一倍. 几个关于as...as的常见句型: (1)as...as possible Please answer my question as soon as possible.请尽快回答我的问题. (2)as...as usual/before She looks as pretty as before.她看起来和以前一样漂亮. (3)as long as... (引导条件状语从句) It took us as long as three years to carry out the plan.我们花了长达三年的时间才完成这项计划. (4)as far as He walked as far as the railway station yesterday evening.昨天傍晚,他一直散步到火车站. (5)as well as She cooks as well as her mother does.她烧菜烧得跟她母亲一样好. 一些带有as...as结构的常见短语归纳: as busy as a bee像蜜蜂一样忙碌 as easy as ABC像ABC一样容易 as deep as a well像井一样深 as light as a feather像羽毛一样轻 as soft as butter像黄油一样软 as rich as a Jew像犹太人一样富裕

介词的用法总结归纳

介词的用法总结归纳 一、 In 介词 prep. 1.(表示位置)在…里面; 在, 于; 在…部位上 I could feel the tension in the room.我可以感觉到房间里的紧张气氛。 They live in France.他们住在法国。 2.(表示时间)在…时期, 在…之后, 在过程中 In her twenties and thirties she had had no difficulty getting jobs. 她在二三十岁时找工作一点也不困难。 I cannot see you now, e back in half an hour.我现在不能见你, 半小时后回来。 3.(表示方向)往…内, 朝…方向 I saw him go in the shop.我看到他走进了商店。 4.(表示状态)处于…之中, 在…情况下 Martin was in his pyjamas.马丁穿着睡衣。 They were living in terrible poverty.他们生活在极度贫困之中。 5.(表示方式)用, 以, 按, 乘, 以…形式 They were speaking in Italian.他们在讲意大利语。 They went up in the lift.他们乘电梯上楼了。

6.(表示原因)由于, 为了 He went in fear of his life.他为自己的性命担忧, 所以走了。 7.(表示领域, 范围)在…以内 It is not in my power to do that.做那事非我力所能及。 8.(表示结果)当做, 作为 What did you give him in return?你给他什么作为报答呢? 9.(表示目的)为了 They set off in search of the lost child.他们出发去寻找走失的孩子。 10.[表示职业、活动等]从事于,参加 11.[表示数量、程度、比例]按,以;从…中 12.[表示品质、能力等]在…之中;在…身上 I don't think he had it in him.我认为他没这个本事。 二、Into 介词 prep. 1.(表示时间)持续到, 进行到 The meeting carried on into the afternoon.会议一直延续到下午。 2.(表示方向)进入…中, 到…里 Anney dived into the water.安尼潜入水中。 He came into the room.他到房子里面。 3.(表示状态)进入…状态, 欠…债

Have的用法讲解

在英语单词中,have本身包含具体的词意"有",还可以用作助动词,这也是广大学生同胞们在做关于have的翻译疑问句时经常纠结的地方。更重要的是have可以和很多单词构成短语,下面我们就为同学全面归纳“have+宾语+非谓语动词”这一结构的用法。 一、have + 宾语+ 不定式 该结构中have的基本意思是“有” 1. 表示有某事要做,其中的不定式为定语。如: She didn’t have the courage to refuse. 她没有勇气拒绝。 2. 表示因为有A结果发生了B,其中的不定式为结果状语。如: I had the luck to find him at home. 我真幸运,找他时他正在家。 二、have + 宾语+ 动词原形 该结构中的动词原形,实为省略了to的不定式,用作宾语补足语,其中的have为使役动词。该结构的主要用法有: 1. 表示叫(请、使、让)某人做某事。如: He had his son clean the car. 他叫他的儿子擦车。 2. 表示容忍或允许某人做某事(用于否定句,尤与won’t, can’t连用)。如:

I won’t have you tell me what to do. 我不能让你对我做的事指手划脚。 三、have + 宾语+ 现在分词 该结构中的现在分词用作宾语补足语,其中的have为使役动词。该结构的主要用法有: 1. 表示使(让)某人(某事物)一直做在做某事或处于做某事的状态之中。如: She had her audience listening attentively. 她使听众听得入神。 2. 表示容忍或允许某人做某事(用于否定句,尤与won’t, can’t连用)。如: I won’t have you smoki ng at your age. 我不能让你在这个年纪就抽烟。 3. 说服或命令某人做某事。如: He had me doing all kinds of jobs for her. 他叫我为她做各种事情。 四、have + 宾语+ 过去分词 该结构的最大特点就是,其中的过去分词与其前的宾语有被动关系。具体说来,该结构有以下主要用法: 1. 表示请(让)别人做某事。如: We had the machine repaired. 我们请人修理了机器。

疑问代词用法总结归纳

疑问代词用法总结归纳 以下是为大家整理的疑问代词的用法总结,希望能帮助大家更好地认识疑问代词,提高英语水平。 1) 疑问代词在句中起名词词组的作用,用来构成疑问句。疑问代词有下列几个: 指人:who, whom, whose 指物:what 既可指人又可指物:which 2) 疑问代词在句中应位于谓语动词之前,没有性和数的变化,除who之外也没有格的变化。what, which, whose还可作限定词。试比较: 疑问代词:Whose are these books on the desk? 桌上的书是谁的? What was the directional flow of U. S. territorial expansion? 美国的领土扩张是朝哪个方向的? 限定词:Whose books are these on the desk? 桌上的书是谁的? What events led to most of the east of the Mississippi River becoming part of the United States?哪些事件使密西西比

河以东的大部分土地归属于美国? 说明1: 无论是做疑问代词还是限定词,which 和what 所指的范围不同。what所指的范围是无限的,而which则指在一定的范围内,例如: What girls do you like best? 你喜欢什么样的姑娘? Which girls do you like best? 你喜欢哪几个姑娘? 说明2: Whom是who的宾格,在书面语中,它作动词宾语或介词宾语,在口语中作宾语时,可用who代替,但在介词后只能用whom, 例如: Who(m) are you taking the book to? 你要把这书带给谁?(作介词宾语,置句首) Who(m) did you meet on the street? 你在街上遇到了谁?(作动词宾语) To whom did you speak on the campus? 你在校园里和谁讲话了?(作介词宾语,置介词后,不能用who 取代。) 说明3: 疑问代词还可引导名词性从句,例如:

初中英语介词用法归纳整理

初中英语介词用法归纳整理 表示时间的介词 at:用于表示时刻,时间的某一点。 on:用于星期,某天,某一天的上午,下午,晚上指具体的某一天时,一律用on in:用于表示周,月,季节,年,泛指上午,下午,晚上 before:在...之前 after:在...之后 by:在....前时间截止到... untiltill:直到.....为止 for:达...之久表示过了多少时间 during:在....期间 through:一直..从开始到结束 from:从...起时间 since:自从...以来表示从以前某时一直到现在仍在继续 in:过...后未来时间 within:不超过...的范围 表示场所,方向的介词 at :在某地点表示比较狭窄的场所 in:在某地表示比较宽敞的场所 on:在...上面,有接触面 above:在...上方 over:在...正上方,是under的反义词 under:在..下面,在...之内 below :在...下方不一定是正下方

near:近的,不远的 by:在...的旁边,比near的距离要近 between:在两者之间 among:在三者或者更多的之中 around:环绕,在...的周围,在....的四周 in front of:在...的前面 behind:在...后边 in:在..之内,用于表示静止的位置 into:进入 out of :和into一样,也表示有一定的运动方向 along:沿着 across:横过平面物体 through:贯通,通过 to :达到..地点目的地或方向 for:表示目的,为了..... from:从...地点起 其他介词 with:和..在一起; 具有,带有; 用某种工具或方法 in:表示用什么材料例如:墨水,铅笔等或用什么语言。表示衣着.声调特点时,不用with而用in。 by:通过...方法,手段 of:属于...的,表示...的数量或种类 from:来自某地,某人,以...起始 without:没有,是with的反义词 like :像...一样

have用法小结

have 的用法小结 一、have作实意动词。 1.表示“有”的意思。 Look, I have wings, just like you. (JBⅤL1) He had fair hair and blue eyes. (JBⅥL2) 〔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.(SBⅠL5) 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) Are we going to have a meeting this week?(开会)(JBⅢL11) We are going to have a talk this afternoon.(听报告)(JBⅢL11) (2)患病。 I have got a headache.(JBⅣL8) I have a bad cold.(JBⅤL3) (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.(SBⅠL14) 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 have a long talk with the teacher.(JBⅣL10) 4.have on sth.或have sth. on,表示“穿着”、“戴着”(=to be wearing)。 I notice d he had on bedroom slippers.(SBⅡL6) At the ball Motile had a diamond necklace on. 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.(SBⅠL17) 〔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。 …the two men had their lights burning all night long…. (3)过去分词作宾语补足语(have sb. (sth.)done),表示: ①使(让,请)别人作某事,表示的动作是别人做的。 Emperor Qin Shi Huang had all the walls joined up.(SBⅠL10) …he should have n ew clothes made of this splendid cloth for the coming great procession.(SBⅠL8)

英语中一些重点词的用法归纳总结

since的用法:译作“自从…以来” (1)接时间点:如 I have stayed in that country since 1995.要求:谓v.用现在完成时,而且须是延续性动词. (2)接一段时间 + ago:如 They have lived in that house since two years ago.要求:谓v. 用现在完成时,而且须是延续性动词. (3)接时间状语从句:如 I have loved her since I met her last time./ Lily has stayed at home since she left school.要求:主句的谓v.用现在完成时,而且须是延续性动词;从句的谓v.用一般过去时,而且须是终止性动词. (4)用于句型“It’s / It has been + 一段时间 + since + 时间状语从句”中,译作“自从… 以来,已经…(时间)了”.如 It’s / has been three months since he moved to this city.要求:主句的谓v.用一般现在时或现在完成时;从句的谓v.用一般过去时,而且须是终止性动词. (5)用于句型“一段时间 + has passed since + 时间状语从句”中,译作“自从…以来,… (时间)已经过去了”.如上个例句还可写成:Three months has passed since he moved to this city.要求:主句的谓v.用现在完成时,而且动词必须是has passed;从句的谓v.用一般过去时,而且须是终止性动词. (6)注:当since用于否定句时,主句的谓v.可以是终止性动词.如 He hasn’t seen the film since last month. (7)相关词组:“从那时起”:ever since、since then、from then on. 注:ever since作为一个词组,放句尾可单独使用.如I have given up smoking ever since.另外,还可在since后接句子.since前加ever,只是加重语气而已.如 I have given up smoking ever since I caught a bad cough. (8) since还可引导原因状语从句,译作“由于;因为”,相当于because.如 Since he was lazy,he didn’t finish his homework.

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