although和though的用法比较

although和though的用法比较
although和though的用法比较

although和though的用法比较

一、用作连词

表示“虽然”,两者大致同义,可换用,仅仅 although 比 though

更为正式:

Though [Although] it was raining,we went there. 虽然下着雨,

但我们还是去了那儿。

Though [Although] it was barely four o’clock, the lights

were already on. 即使才四点钟,灯已经亮了。

Though [Although] we are poor, we are still happy. 我们虽然穷,仍然很快活。

二、用作副词

although 一般不用作副词,而 though 可用作副词,且一般放在句末(不放在句首),意为“不过”、“不过”:

It’s hard work; I enjoy it though. 工作很辛苦,不过我乐意干。

He is looking fit, though. 但他看起来很健康。

You can count on him, though. 不过你能够指靠他。

三、用于习语

在 as though(好像,仿佛),even though(即使,纵然)等固定短语中

不能用 although:

She closed her eyes as though she were tired. 她闭上眼,仿佛

很疲劳似的。

We felt as though we had witnessed the whole thing. 我们感到

仿佛目击了整个这件事似的。

He is an honest man, I must say, even though I have opposed him. 即使我反对过他,我还得说他是一个诚实的人。

She was always afraid of men, even though she had lots of boyfriends. 即使她有很多男朋友,她总是害怕男人。

四、用于倒装

though 引导的让步状语从句可用部分倒装的形式(注意:倒装后位于句首的名词之前不用冠词),但 although 一般不这样用:

Poor though I am, I can afford it. 我虽穷,但这东西还是买得起的。

Child though he was, he did quite well. 他虽是孩子,但干得很好。

as,though,although的比较

As, though, although的用法 1. 用作连词,表示让步(意为:虽然,尽管),要用于倒装句,且倒装后位于句首的名词通常不用冠词(等于though, 但语气 稍弱)。如: Child as [though] he was, he did quite well. 他虽是个孩子,但已干得很不错。 2. 用作关系代词,主要用法有二。如: (1) 用在such, same, as等之后,引导限制性定语从句。如: This is the same watch as I lost. 这块表跟我丢失的那块一样。 Such men as heard of him praised him. 听说过他的人都赞扬他。 (2) 单独用作关系代词,引导非限制性定语从句,可放在主句之前(常译为:正如)或之后(常译为:这一点),且主从句之间一般要用逗号隔开。如: He was absent, as is often the case. 他缺席了,这是常有的事。 As was expected, he succeeded at last. 正如我们所料,他终于成功了。 3. 用来表示目的,下面两种句子结构都可以。如: 仔细写以便把每句话都写清楚。 正:Write carefully so as to make every sentence clear.

4. 在正式文体(尤其是文学体裁)中,as后可用倒装语序表示“…也一样”这类意思(现代英语通常so表示这一用法)。如:He travelled a great deal, as did most of his friends. 他去过许多地方旅游,他的多数朋友也是一样。 注:用作连词,表示原因(参见because),表示时间(参见when)。 5. 用于as if as though, 意为“仿佛”、“似乎”。两者一般可通用(但注意不能说as although)。用法上注意几点: (1) as if [though] 可引导状语从句和表语从句,从句谓语根据语义的要求,可用陈述语气(若可能为事实)或虚拟语气(若为假设或不太可能是事实)。如: It looks as if it is going to rain. 天似乎要下雨了。 He talks as though he knew everything. 他夸夸其谈,好像无所不知。 When a pencil is partly in a glass of water, it looks as if it were broken. 当把一支铅笔的一部分放在一杯水里时,它看起来好像折断了似的。 当主句谓语是过去时态时,从句谓语常可用陈述语气。如:He paused as though he found a difficulty. 他停了下来,似乎遇到了一个难题。 She felt as if she lost something. 他觉得似乎丢了什么东西。

(完整版)助动词用法及练习

be动词,情态动词,助动词do/does的用法区别及练习 助动词,顾名思义就是帮助动词完成疑问及否定的,本身没有什么含义。主要的助动词有be,do,will,have等,其用法详述如下: 一、⑴由连系动词am,is,are构成的句子:变一般疑问句时把am,is,are提到句子的前面,句尾用问号即可。变否定句时直接在am,is,are后面加not即可。例如: 肯定句:He is a student. 一般疑问句: Is he a student? 否定句: He is not a student. 画线提问: 对he提问: Who is a student? 对a student 提问: What is he? (2)was 是am,is的过去式,were是are的过去式,若句子中有以上两词时,变疑问句及否定句方法与(1)相同。 二、(1) 由情态动词can, may,will ,shall等构成的句子: 变一般疑问句时把can, may,will ,shall提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如: 肯定句: She can swim. 一般疑问句: Can she swim? 否定句: She can not swim. 画线提问: 对she提问: Who can swim? 对swim提问: What can she do? (2)could,might,would,should是can,may,will,shall的过去式,若句子中有以上两词时,变疑问句及否定句方法与(1)相同。 三、(1)由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 变否定句时把don’t/doesn’t放在动词的前面。要注意观察动词的形式并对号入座。一般疑问句和否定句的动词三单式都要变回原型。 play-----do plays-----does 例如: 肯定句: They play football after school. He plays football after school. 一般疑问句: Do they play football after school? Does he play football after school? 否定句: They don't (do not) play football after school. He doesn’t’ play football after school. 画线提问: 对they/he提问: Who plays football after school? 对play football提问: What do they do after school? What does he do after school? 对after school提问: When do they play football? When does he play football? (2)did是do和did的过去式,变一般疑问句时把did放在句子前面. 变否定句时把didn’t 放在动词的前面, 要注意观察动词的形式并对号入座。一般疑问句和否定句的动词都要变回原型。

although与though的区别和用法

although与though的区别和用法 一、用作连词 表示虽然”两者大致同义,可换用,只是although比though更为正式: Though [Although] it was raining ,we went there.虽然下着雨,但我们还是去了那儿。 Though [Although] it was barely four o ' clock, the lights were 尽管才四点.钟,灯 已经亮了。 Though [Although] we are poor, we are still happy. 我们虽然穷,仍然很快活。 二、用作副词 although 一般不用作副词,而though可用作副词,且一般放在句末(不放在句首),意 为可是”、不过” It ' s hard work; I enjoy it though X作很辛苦,可是我乐意干。 He is look ing fit, though. 但他看起来很健康。 You can count on him, though. 不过你可以指靠他。 三、用于习语 在as though(好像,仿佛),even though(即使,纵然)等固定短语中不能用although : She closed her eyes as though she were tired.她闭上眼,仿佛很疲劳似的。 We felt as though we had wit nessed the whole thi ng. 我们感到仿佛目击了整个这件事似 的。 He is an honest man, I must say, even though I have opposed him. 尽管我反对过他,我还得说他是一个诚实的人。 She was always afraid of men, eve n though she had lots of boyfrie nds. 尽管她有很多男朋 友,她总是害怕男人。 四、用于倒装 though引导的让步状语从句可用部分倒装的形式(注意:倒装后位于句首的名词之前不 用冠词),但although 一般不这样用: Poor though I am, I can afford it.我虽穷,但这东西还是买得起的。 Child though he was, he did quite well.他虽是孩子,但干得很好。 五、though 放在句尾相当于however, nevertheless

Be动词和助动词用法辨析

Be动词和助动词用法区别其实be动词也是助动词(auxiliary verbs)。 英语动词大致可分为三种:助动词(auxiliary verbs),情态动词(modal verbs),实意动词(full verbs)。 助动词(auxiliary verbs):do,be,have。没有实意,“帮助”别的动词,表示时态,否定和提问。情态动词(modal verbs):can,must,may。也是“帮助”别的动词,但是有自己的实意。实意动词(full verbs):play,run,think。其他有实意的动词。 be动词可用作助动词(auxiliary verbs):1,be+Ving:所有的进行时态,如:2,be+过去分词:被动式。 be动词也可用做实意动词(full verbs):be[bi]v.有;在;是。 你这样想,一个句子里要有动词吧。再看看它们的名字,“be 动词”和“助动词”, 先说“be动词”,(1)这名字里有动词,说明他是动词,句子里有他就不会有别的动词(除非这些动词以别的形式出现,这是后话)了,(2)“am,is,are,was,were”叫be动词,是因为他们是be的不同形式 再说“助动词”,(1)一定要注意“助”,是帮助的意思,说明他不是动词,只是起到了辅助的作用,所以,他们就一定要与动词同时出现。[记住啊,他们离不开动词,但是动词没有他们也是可以的]

(2)did,do,does只是do的不同形式,根据你所需要的时态来选择(1)用于肯定句,否定句和疑问句 am:第一人称单数(即只与I连用),用于现在时(一般现在,现在进行,只要那时态中是现在的就行)eg:①I am a girl.一般现在时②I am eating an apple.现在进行时 ③I am going to do my homework.[be going to表将来,将来中只有这一种] is:第三人称单数,用于现在时(一般现在,现在进行,只要那时态中是现在的就行)(it就不举例了)eg:①She/He is a girl/boy.一般现在时②He/She is eating an apple.现在进行时③He/She is going to do his homework.[be going to表将来,将来中只有这一种] are:第二人称单数,所有人称复数,用于现在时(一般现在,现在进行,只要那时态中是现在的就行)eg:①You are a girl. We/You(你们)/They are girls.一般现在时②You are eating an apple.We/You(你们)/They are eating apples.现在进行时③We/You(你们)/They are going to do our/your/their homework.[be going to表将来,将来中只有这一种] was:第一人称单数,第三人称单数,用于过去时(一般过去,

though与although

区别 ① although和though同义,在一般情况下,可以互换使用。只是though较普遍,常用于非正式的口语或书面语中,而although 则较为正式。另外although语气比though重,常用以强调让步概念。 Though/Although my car is very old, I don't want to buy a new one.虽然我的汽车很旧,但我不想买一辆新的。 He insisted on doing it although I warned him not to.虽然我警告他不要做,但他仍然坚持要做。 ② even能和though组合表示强调,但even不能和although组合。因此,不能说even although,在这里even though=even if(no matter if; though即使……也……) Even if/Even though we could afford it, we wouldn't go abroad for our vocation.即使我们付得起这笔钱,也不出国度假。 ③当让步状语从句指某种假设情况时,通常用though,而不用although。 Though all the world were against me, I should still hold to my opinion.就算全世界都反对我,我还是坚持我的立场。 Though everybody deserts you, I will not.即使所有人都抛弃你,我也不会的。 ④ though可以独立用作副词,常放在句末,意为all the same (还是;仍然)或however(可是;然而),而although无此用法。 She didn't tell me what she had done, but I know it though.她没有告诉我她所做的事情,但我还是知道了。 It's hard work. I enjoy it, though.工作很苦,可是我喜欢。 ⑤ though引导让步状语从句时可以倒装,而although从句则不能。 Bravely though they fought, they had no chance of winning.虽然他们打得很勇敢,但还是没有机会获胜。 相同点: ①在although和though 引导的让步状语从句中,主句里不可用but,若要强调前后两部分的对比意义,可在主句前加yet 或still。 Although/Though he has a lot of money, yet/still he is unhappy.他虽然有很多钱,但并不幸福。 ② although和though引导让步状语从句时,常采用省略形式。 Although tired (=Although he was tired), he kept on working.虽然很疲劳,但他继续工作。 The problem, though complicated(=though it is complicated), can be solved without much difficulty.这个问题虽然复杂,但解决起来不会有很大困难。 as, though, although引导的让步状语从句。 [注意]although位于句首;though位于句首或句中;as位于句中=though。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。[参考倒装结构] 请注意下列句式的变化: [例句] 1. Although/Though I’m young, I already know what career I want to follow. →Young as/though I am, I already know what career I want to follow.我虽然年轻,但我已经明白我应该追随什么样的事业。 2. Although/Though I respect him very much, I cannot agree with his idea. →Much as/though I respect him, I cannot agree with his idea. 虽然我很尊重他,但是我不同意他的观点。 3. Although/Though he is a child, he knows a lot of Chinese characters. →Child(省略冠词)as/though he is, he knows a lot of Chinese characters. 他虽然还是个孩子,却认识了许多汉字。

小学英语助动词用法归纳

助动词(Auxiliary Verb):协助主要动词构成谓语动词词组的词。自身没有词义,不可单独使用。 主要动词(Main Verb):是被协助的动词,构成时态和语态。 He doesn't like English. 他不喜欢英语。(doesn't是助动词,无词义;like是主要动词,有词义) 最常用的助动词有:be, have, do, shall, will, should, would 等。 基本助动词只有三个:be, do, have 他们没有词汇意义,只有语法作用,如协助构成进行时,完成时,被动态,否定句,疑问句等。 一、be 动词的用法 既可作系动词,又可作助动词,做助动词有人称和数的变化,第一人称用am,第二人称及复数用are,第三人称及单数用is,am,is 过去式

为was, are的过去式为were,它与现在分词构成进行时态和过去分词一起构成被动语态。 a. 表示时态be+doing(现在分词)表示现在进行的动作 He is singing. 他正在唱歌。 b. 表示语态be+done(过去分词)表被动语态 He was sent to England. 他被派往英国。 c. be+to do(动词不定式)表示计划安排命令。 We are to plant trees next week. 下周我们将要去植树。 You are to explain this 。对此你要做出解释。 二、do的用法 Do主要帮助实意动词构成否定和疑问句,后跟动词原形,有时放在实意动词前起强调作用,还可代替前文出现的动词,避免重复。Do 有人称和数的变化,第一、二人称及复数用do,第三人称及单数用does,过去式为did。 1)构成一般疑问句。DO +主语+动词原形+其他 I like singing 变为疑问句为Do you like singing ? 2)do + not 构成否定句。主语+do +not +动词原形。 I do not want to be criticized.我不想挨批评。 He doesn't like to study.他不想学习。 Many students didn’t know the importance of English before.过去好多学生不知道英语的重要性. 3)构成否定祈使句。

though,although用法详解

though,although引导让步状语从句时,后面的主句不能有but,however,但是可与yet,still 连用。 1. although和though同义,在一般情况下,可以互换使用。只是though较普遍,常用于非正式的口语或书面语中,而although则较为正式。另外although语气比though重,常用以强调让步概念。 e.g. Though/Although my car is very old, I don't want to buy a new one. 同义句:My car is very old, but I don't want to buy a new one. 虽然我的汽车很旧,但我不想买一辆新的。 2. even能和though组合表示强调,但even不能和although组合。因此,不能说even although,在这里even though=even if(no matter if; though即使……也……) e.g. Even if/Even though we could afford it, we wouldn't go abroad for our vocation. 即使我们付得起这笔钱,也不出国度假。 3. 当让步状语从句指某种假设情况时,通常用though,而不用although。 e.g. Though all the world were against me, I should still hold to my opinion. 就算全世界都反对我,我还是坚持我的立场。 4. though可以独立用作副词,常放在句末,意为all the same (还是;仍然)或however(可是;然而),而although无此用法。 e.g. She didn't tell me what she had done, but I know it though. 她没有告诉我她所做的事情,但我还是知道了。 5. although和though引导让步状语从句时,常采用省略形式。 e.g. Although tired (=Although he was tired), he kept on working. 虽然很疲劳,但他继续工作。 该文章转载自无忧考网:https://www.360docs.net/doc/3e5848151.html,

助动词的用法大全

助动词的用法大全 助动词的形式与作用 1)英语常用的助动词(auxiliary verb)有shall,will,should,would,be,have,do等。助动词一般无词义,不能单独作谓语动词。助动词在句中的作用,在于帮助构成各种时态、语态、语气、否定和疑问结构等。如:China has entered a great new era. 中国已进入了一个伟大的新时期。(帮助构成完成时态) Some boys are playing on the grass. 一些男孩正在草地上玩。 (帮助构成进行时态) Mother is written by Gorky. 《母亲》是高尔基写的。 (帮助构成被动语态) We Shall have the football match if it does not rain.如果不下雨,我们就赛足球。(帮助构成将来时态和否定结构) Do you see my point? 你明白我的意思吗?(帮助构成疑问结构) [注]在否定结构中,not须放在助动词后面。 2)助动词加not一般都有简略式,用于口语中。如: is not-isn't would not--wouldn't are not--aren't [B:nt] have not--haven't was not -- wasn't has not--hasn't were not-- weren't [wE:nt] had not--hadn't shall not--shan't [FB:nt] do not--don't [dEunt] will not--won't [wEunt] does not--doesn't

though,although的区别

1.although较正式,语气强;though较常用。现代英语中两者可随意换用。如: Though he was tired, he went on working. =Although he was tired, he went on working. 2.although和though引导的从句放在主句前后均可,有时还可放在句中。如: He often helps me with my English (al)though he is quite busy. 尽管他相当忙,但是还常常帮我学英语。 Although many difficulties are still ahead, we are determined to make greater achievements. 尽管在前面的道路上还有许多困难,但是,我们决心要取得更大的成就。 3.although/though引导的从句不能与but/however连用,但可与yet/still 连用。不能说:Though he was old, but he worked hard. 应把but去掉。 当然,保留but而去Though也可。 4.though有时指假设的情况,不指事实,从句用虚拟语气;although不能这样 用。如: Einstein cared little for money, though he could have been very rich. 尽管爱因斯坦本可以成为非常富有的人,但他对金钱却不感兴趣。(though 引导的情况是假设的而不是事实) He will never do such a thing though he (should) be forced to. 即使强迫他,他也决不会干这样的事。(注意:不能用is) 5.though引导的从句,可用倒装语序,即把从句中的表语或状语放到though 之前;although却不能这样用。如: Young though she is, yet she is fit for the job. (=Young as she is, yet she is fit for the job.)尽管她很年轻,可她还是胜任这项工作的。 6.though从句的主谓语若是系表结构时,可以省略从句主语和be动词。如: Though alone, he is happy. 虽然他独自一人,却很幸福。 注意:Though loving him, I can not help him. 是错句。因为从句不是be构成的系表结构作谓语。应改为:Though I love him, I can not help him. 或 Though fond of him, I can not help him. 7.though还可与别的词结合使用,如even though, as though等;although 则无这种搭配功能。如: I'll go and help them even though I stop my work. 即使我停下自己的活不干,我也要去帮助他们。 8.though还可作并列连词,相当于and yet(然而,可是),它引导的分句常 对另一分句起补充说明作用;although则无这种用法。如: I wouldn't like to go to the evening, though they will invite me to. 我不想去参加晚会,可是他们要请我去。 They now can do most of the things people can do, though most scientists agree that computers can not completely take the place of humans. 人们能做的大部分工作,计算机现在都能做,然而大多数科学家认为,计算机并不能完全代替人类。 9.though可用作副词,放在词尾。although却不可这样用。如: He said he would come, he didn't, though. 他说要来却没来。

but,however,while,although和though用法小结

but, however, while, although和though用法小结 【观察】阅读下列句子,注意各句中黑体单词的用法。 1. We have made some achievements, but we should be modest. 2. He promised to help me. However, he is busy and hasn’t come. 3. She felt ill. She went to work, however, and tried to concentrate. 4. He said that it was so; he was mistaken, however. 5. You like sports, while I’d rather read. 6. While I understand what you say, I can’t agree with you. 7. Although / Though it was late, she went on working. 8. Tired though he was, he went on working. 9. Although he’s got a good job now, he still complains. 10. She promised to phone. I heard nothing, though. 【归纳总结】 ★but与however均可表示转折,意为“但是,然而”,都可以引出表转折意义的句子(句1-句4),但二者用法也有区别: 1. 从语义上看,but所表示的是非常明显的对比,转折的意味较however要强。 2. 从语法上看,but是个并列连词,而however却是个连接副词(句2-句4)。 3. 从语序上看,but总是位于它所引出的分句之首,而however可位于句首、句中或句尾。

助动词用法归纳小学

助动词用法归纳小学 -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN

助动词(Auxiliary Verb):协助主要动词构成谓语动词词组的词。自身没有词义,不可单独使用。 主要动词(Main Verb):是被协助的动词,构成时态和语态。 He doesn't like English. 他不喜欢英语。(doesn't是助动词,无词义;like是主要动词,有词义) 最常用的助动词有:be, have, do, shall, will, should, would 等。 基本助动词只有三个:be, do, have 他们没有词汇意义,只有语法作用,如协助构成进行时,完成时,被动态,否定句,疑问句等。 一、be 动词的用法 既可作系动词,又可作助动词,做助动词有人称和数的变化,第一人称用am,第二人称及复数用are,第三人称及单数用is, am,is 过去

式为was, are的过去式为were,它与现在分词构成进行时态和过去分词一起构成被动语态。 a. 表示时态 be+doing(现在分词)表示现在进行的动作 He is singing. 他正在唱歌。 b. 表示语态 be+done(过去分词)表被动语态 He was sent to England. 他被派往英国。 c. be+to do(动词不定式)表示计划安排命令。 We are to plant trees next week. 下周我们将要去植树。 You are to explain this 。对此你要做出解释。 二、do的用法 Do主要帮助实意动词构成否定和疑问句,后跟动词原形,有时放在实意动词前起强调作用,还可代替前文出现的动词,避免重复。Do 有人称和数的变化,第一、二人称及复数用do,第三人称及单数用does,过去式为did。 1)构成一般疑问句。 DO +主语+动词原形 +其他 I like singing 变为疑问句为 Do you like singing 2)do + not 构成否定句。主语+do +not +动词原形。 I do not want to be criticized.我不想挨批评。 He doesn't like to study.他不想学习。 Many students didn’t know the importance of English before. 过去好多学生不知道英语的重要性.

although与though的区别和用法

a l t h o u g h与t h o u g h 的区别和用法 Company Document number:WTUT-WT88Y-W8BBGB-BWYTT-19998

although与though的区别和用法 一、用作连词 表示“虽然”,两者大致同义,可换用,只是 although 比 though 更为正式:Though [Although] it was raining,we went there. 虽然下着雨,但我们还是去了那儿。 Though [Although] it was barely four o’clock, the lights were already on. 尽管才四点钟,灯已经亮了。 Though [Although] we are poor, we are still happy. 我们虽然穷,仍然很快活。 二、用作副词 although 一般不用作副词,而 though 可用作副词,且一般放在句末(不放在句首),意为“可是”、“不过”: It’s hard work; I en joy it though. 工作很辛苦,可是我乐意干。 He is looking fit, though. 但他看起来很健康。 You can count on him, though. 不过你可以指靠他。 三、用于习语 在 as though(好像,仿佛),even though(即使,纵然)等固定短语中不能用although: She closed her eyes as though she were tired. 她闭上眼,仿佛很疲劳似的。 We felt as though we had witnessed the whole thing. 我们感到仿佛目击了整个这件事似的。 He is an honest man, I must say, even though I have opposed him. 尽管我反对过他,我还得说他是一个诚实的人。 She was always afraid of men, even though she had lots of boyfriends.尽管她有很多男朋友,她总是害怕男人。 四、用于倒装

助动词用法归纳小学(终审稿)

助动词用法归纳小学公司内部档案编码:[OPPTR-OPPT28-OPPTL98-OPPNN08]

助动词(Auxiliary Verb):协助主要动词构成谓语动词词组的词。自身没有词义,不可单独使用。 主要动词(Main Verb):是被协助的动词,构成时态和语态。 He doesn't like English. 他不喜欢英语。(doesn't是助动词,无词义;like是主要动词,有词义) 最常用的助动词有:be, have, do, shall, will, should, would 等。基本助动词只有三个:be, do, have 他们没有词汇意义,只有语法作用,如协助构成进行时,完成时,被动态,否定句,疑问句等。 一、be 动词的用法 既可作系动词,又可作助动词,做助动词有人称和数的变化,第一人称用am,第二人称及复数用are,第三人称及单数用is, am,is 过去式为was, are的过去式为were,它与现在分词构成进行时态和过去分词一起构成被动语态。 a. 表示时态 be+doing(现在分词)表示现在进行的动作 He is singing. 他正在唱歌。 b. 表示语态 be+done(过去分词)表被动语态 He was sent to England. 他被派往英国。 c. be+to do(动词不定式)表示计划安排命令。 We are to plant trees next week. 下周我们将要去植树。 You are to explain this 。对此你要做出解释。 二、do的用法

Do主要帮助实意动词构成否定和疑问句,后跟动词原形,有时放在实意动词前起强调作用,还可代替前文出现的动词,避免重复。Do有人称和数的变化,第一、二人称及复数用do,第三人称及单数用does,过去式为did。 1)构成一般疑问句。 DO +主语+动词原形 +其他 I like singing 变为疑问句为 Do you like singing 2)do + not 构成否定句。主语+do +not +动词原形。 I do not want to be criticized. 我不想挨批评。 He doesn't like to study. 他不想学习。 Many students didn’t know the importance of English before. 过去好多学生不知道英语的重要性. 3) 构成否定祈使句。 Don't go there. 不要去那里。 Don't be so absent-minded. 不要这么心不在焉。 说明:构成否定祈使句只用do,不用did和does。 4)放在动词原形前,加强该动词的语气。 Do come to my birthday party please. 请一定来参加我的生日宴会。 I did go there. 我确实去那儿了。

though 和although 的区别

区别:①although和though同义,在一般情况下,可以互换使用。只是though较普遍,常用于非正式的口语或书面语中,而although则较为正式。另外although语气比though重,常用以强调让步概念。 e.g. Though/Although my car is very old, I don't want to buy a new one. 虽然我的汽车很旧,但我不想买一辆新的。 He insisted on doing it although I warned him not to. 虽然我警告他不要做,但他仍然坚持要做。 ②even能和though 组合表示强调,但even不能和although组合。因此,不能说even although,在这里even though=even if(no matter if; though即使……也……) e.g. Even if/Even though we could afford it, we wouldn't go abroad for our vocation. 即使我们付得起这笔钱,也不出国度假。 ③当让步状语从句指某种假设情况时,通常用though,而不用although。 e.g. Though all the world were against me, I should still hold to my opinion. 就算全世界都反对我,我还是坚持我的立场。 Though everybody deserts you, I will not. 即使所有人都抛弃你,我也不会的。 ④though可以独立用作副词,常放在句末,意为all the same (还是;仍然)或however(可是;然而),而although无此用法。 e.g. She didn't tell me what she had done, but I know it though. 她没有告诉我她所做的事情,但我还是知道了。 It's hard work. I enjoy it, though. 工作很苦,可是我喜欢。 ⑤though引导让步状语从句时可以倒装,而although从句则不能。 e.g. Bravely though they fought, they had no chance of winning. 虽然他们打得很勇敢,但还是没有机会获胜。 相同点:①在although和though引导的让步状语从句中,主句里不可用but,若要强调前后两部分的对比意义,可在主句前加yet或still。 e.g. Although/Though he has a lot of money, yet/still he is unhappy. 他虽然有很多钱,但并不幸福。 ②although和though引导让步状语从句时,常采用省略形式。 e.g. Although tired (=Although he was tired), he kept on working. 虽然很疲劳,但他继续工作。 The problem, though complicated(=though it is complicated), can be solved without much difficulty. 这个问题虽然复杂,但解决起来不会有很大困难。 1.as far as、so far as 2.as long as、so long as 1.用于指距离,表示“直到……为止”之意时,as far as既可用于肯定句,也可用于否定句,但so far as只能用于否定句中。例如:We went as far as Lion Rock Tunnel. 我们一直走到狮子山隧道公路那儿。 They did not go as far as the others. 他们没有像其他的人走得那么远。 (此句的as far as可以改作so far as) (二)在表示“直到……程度”之意的借喻说法中,as far as和so far as都可使用,但前者不及后者用得普遍。例:she went so far as (or as far as)to call him a coward. 她甚至骂他是儒夫。 (三)在表示“就……而论”之意时,as far as和so far as可互换使用。例:As (or So)far as I koow,she will be away from Macao for two months. 据我所知,她将要离开澳门两个月。 As (or So)far as my knowledge goes,there is no such word in English. 据我所知,英语里没有这样一个字。 (四)在表示“只要”、“尽……所能”之意时,应用as far as,不用so far as。例:I'll do my utmost to help you as far as I can. 只要可能,我一定竭尽全力来帮你。Eric Partridge在他编著的Usage and Abusage 一书中写道(第44页),在用作比喻意义的叙述句里,so far as比as far as用得普遍,他举了这样一个例子:so far as I can see,your idea is admirable. 2.一、在表示during the whole time that(长达……之久)或while(只要)的含义时,往往用as long as。如: 1. they all continued their regard for me as long as they lived. 他们毕生都在关心着我. 2. For almost as long as Juanita could remember, adding, subtracting, multiplying, and dividing seemed as easy as breathing, and as natural. 在胡安妮塔的记忆中,加减乘除对自己来说早就是如同呼吸一样简单而自然了. 3. As long as there is life there is hope. 留得生命在,不怕没希望. 二、在

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