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therefore的用法和例句
篇一:therefore
therefore有因此;所以等意思，那么你知道therefore的用法吗?下面跟着小编一起来学习一下，希望对大家的学习有所帮助!
therefore的用法大全：
therefore的用法1：therefore的意思是“因此,为此,所以”,是副词,引导结果、结局或结论,不能误作连词用。
therefore的用法2：therefore可引出一个独立句,但不能连接两个句子,因此当therefore前没有and等连词时,前面须用分号。
therefore的用法3：连接副词therefore用于句首时后面无需逗号,若位于句中前面可加也可不加逗号。
therefore的用法4：therefore也可用于推理,作“故…,由此得出”解。
therefore的用法例句：
1. The truth is that junk bonds were misnamed, and therefore misunderstood.
事实上人们对垃圾债券的称谓有误，所以产生了误解。
2. They had seen him trawling and therefore knew that there were fish.
他们曾见过他用拖网捕鱼，因此知道那里有鱼。
3. Men are anxious to improve their circumstances, but are unwilling to improve themselves; they therefore remain bound.--James Allen
人们总是渴望改善周遭环境，但是却不愿意改善自己，因此总停留在原地，无法进步。
4. He's only 17 and therefore not eligible to vote.
他只有17岁，因此没有投票选举的资格。
5. He lost his health, and therefore his difficulties increased.
他身体虚弱, 因此更增加了他的困难.
6. The Chinese Christians, therefore, practically excommunicate themselves from their own clan.
所以, 中国的基督徒简直是被逐出了自己的家族了.
7. It rained and therefore the football match was postponed.
天下雨,足球赛因此而延期了.
8. They therefore can do nothing good of themselves.
所以他们靠自己是什么好事也做不成的.
9. He was busy, therefore, he couldn't come.
他忙得很, 所以没有来.
10. He was ill, and therefore could not come.
他病了, 所以未能来.
11. He has decided that he doesn't want to embarrass the movement and willtherefore step down.
他已拿定主意：他不想令运动陷入困窘的境地，因此决心辞职。
12. The President will therefore have to tread a very fine line when he addresses the parliament.
因此，总统在向议会演讲时将不得不仔细拿捏分寸。
13. Some people may manage their finances badly and therefore have to go short of essentials.
有些人可能极不善于理财，因而不得不缺衣少食地将就过活。
14. The lime water has turned cloudy, therefore carbon dioxide has been produced during the experiment.
石灰水变得混浊了, 可见在实验中有二氧化碳生成了.
15. Rescue workers are therefore drilling a hole on the north side of the mine.
因此营救工人正在矿井北侧钻孔.
people的复数和用法例句
篇二:therefore
people有人，人类; 居民; 人民; 种族等意思，那么你知道people的复数是什么吗?下面跟着小编一起来学习一下，希望对大家的学习有所帮助!
people的复数形式：
peoples
people的用法：
people的用法1：people的基本意思是“人,人们”,是集体名词,没有复数形式,在句中作主语时,谓语动词用复数。泛指“人们”时其前不加定冠词the。
people的用法2：people与定冠词the连用时,其含义为“人民(群众)”,指一个国家的或全世界的人民或者与统治阶级相对的“人民”,没有复数形式。
people的用法3：people还可作“民族,种族”“被共同文化联合在一起的集体”解,是可数名词,“一个民族”是a/one people,多个民族时用其复数形式peoples。其前有a, one或every等词修饰时,谓语动词多用单数形式。用it或itself指代, people在句中作主语时,谓语动词用单数或复数均可,但以用复数者居多。
people的用法4：在口语中,people常指“家人,亲属”或“特别的场所、团体和职业的人们”,在句中作主语时,谓语动词用复数形式。
people的用法5：在英式英语中, people是person的复数形式。然而一些美国作家在这方面比较保守,在指一定数量,尤指较少数量的人时,喜欢用persons。在英式英语中, persons只能用在关于法律的上下文中,或基督教徒所信仰的上帝的三位一体中。
people的用法6：people可与数词连用。例如:There are ten people present.有10个人出席。
people的复数例句：
1. The subject peoples of her empire were anxious for their own independence.
她的帝国中被迫向她臣服的民族迫切渴望自身的独立。
2. The study theorizes about the role of dreams in peoples' lives.
这项研究从理论上说明了梦在人们生活中的作用。
3. Let's drink to the friendship of our two peoples.
让我们为两国人民的友谊干杯.
4. May the friendship between the peoples of ( our ) two countries last forever.
祝两国人民的友谊万古长青.
5. There are frequent contacts between the peoples of the two countries.
两国人民之间交往频繁.
6. The magazine becomes a cultural medium of intercourse between the twopeoples.
该杂志成为两民族间文化交流的媒介.
7. Some peoples are yellow races.
有些民族是黄色人种.
8. The friendship between the two peoples is everlasting.
两国人民的友谊永存.
9. Our Parliament has been a beacon of hope to the peoples of Europe.
我们的国会一直是欧洲各族人民的希望之灯。
10. The friendly contacts between our two peoples can go back to the Tang Dynasty.
我们两国人民间的友好往来可以追溯到唐朝.
11. The assertion of the right to freedom is very important to all peoples.
维护自由权利对各民族来说都是至关重要的.
12. The peoples of Southeast Asian countries all denounced the treaty between these two countries.
东南亚各族人民一致声讨这两个国家签订的条约.
13. The friendship between the peoples of the two countries has been strengthened through various means.
通过各种途径增进两国人民之间的友谊.
14. Our two peoples share the same experience of having been oppressed by imperialism.
我们两国人民都有遭受帝国主义压迫的共同经历.
15. We hope from now on there will be more exchanges between our twopeoples.
希望今后两国人民之间有更多的交往.
then的用法和短语例句
篇三:therefore
then有那么;然后;当时;而且等意思，那么你知道then的用法吗?下面跟着小编一起来学习一下，希望对大家的学习有所帮助!
then的用法大全：
then的用法1：then的意思是“当时,那时”“接着,于是,然后”“还有,而且”“那么,因此”,作“那时”解时可指过去,也可指将来。
then的用法2：then作“那么”解时常用于句首或句末,用来缓和语气; 作“然后”解时常位于and之后,所修饰的词语之前,起连接作用。
then的用法3：then有时可用于对已经提到过或刚提到过的某物表示一般的看法,可译作“则是,就是”。
then的用法4：then用作状语作“接着,于是,然后”解时也可位于句首,这时句子要用倒装语序。
then的用法5：then间或可用作形容词,用来修饰名词,意思是“当时的”。
then的常用短语：
and then
but then
(every) now and then
now then
there and then〔then and there〕
well, then
what then〔then what〕
then的用法例句：
1. You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.
你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。
2. It was just then that I chanced to look round.
就在那时，我恰好环顾了下四周。
3. He then held the man in an armlock until police arrived.
然后他反扭住那名男子的手臂让他动弹不得，直到警察赶到。
4. Then something seemed to snap in me. I couldn't endure any more.
这时候，我的心里像有个东西突然绷断了——我再也忍受不了啦。
5. "His memory must be completely back, then?" — "Just about."
“这么说，他的记忆一定是完全恢复了?”——“差不多。”
6. The car passed over the body twice, once backward and then forward.
那辆车把那人来回轧了两次，先是倒着轧的，再是往前开着轧的。
7. Burke cast a cursory glance at the menu, then flapped it shut.
伯克匆匆地瞥了一眼菜单，然后啪地合上了。
8. The film starts off realistically and then develops into a ridiculous fantasy.
电影以写实开头，然后却发展成为荒诞的幻想。
9. If these drugs are stopped abruptly then some withdrawal symptoms may occur.
如果突然停服这些药，则可能出现一些戒断症状。
10. I drain the pasta, then I share it out between two plates.
我将意大利面滤干，然后平分到两个盘子里。
11. If something's a sure-fire hit then Radio One will play it.
如果哪首歌一定会火，那么第一频道肯定会播出。
12. He skimmed the pages quickly, then read them again more carefully.
他先快速地浏览页面，然后再细细阅读。
13. Well, I'll take your word for it then, love.
唔，那我就信你吧，亲爱的。
14. Fluorescent lights flickered, and then the room was brilliantly, blindingly bright.
荧光灯闪了几下，接着屋子里豁然大亮，刺得人睁不开眼。
15. Your partner should then pass the ball back to you.
然后你的搭档应该将球回传给你。
therefore thereby 区别
篇四:therefore
therefore;
因此；所以
一般引导句子
It is raining,therefore,we can't play football outside
thereby:
因此：那样；因此
很少使用，在英文诗里到可以见到，比较迂腐正规！
三者都是副词：因此，所以，如此这样的意思
therefore and thus用法基本相同，但用时侧重点不一样。
therefore
1.结果，2.用于对某事物进行推论
thereby
1.因为某某，从而与某事有关联时用。
thus
1.强调用什么方式
2.达到某种程度或范围；这么
3.同Therefore; consequently用法相同
THEREFORE= FOR THAT,前面所描述情况前提等是后面描述情况的原因
THEREBY = BY THAT 前面所描述情况等，是后面描述情况的前提条件，方式等。 多斟酌一下 for 和by的区别有助于了解这两个词有什么差别吧。。
GO BACK TO YOUR HOMETOWN, AND YOU CAN THEREBY BRING ME SOME SOUVINIRS.这里回乡下应该是拿回纪念品的前提，方式；如果硬改成therefore讲成原因显然不合情理。。。
另外：therefore可以单独开来，没见过thereby单独用的。。
如：I LOVE YOU. THEREFORE, I FORGIVE YOU.
thereby是借以、从而、由此的意思，是一个表目的连词，如例句：They paid cash, thereby avoiding interest charges.他们付的是现金，以免付利息。 therefore是为此，因此，所以的意思，是一个表因果的连词；如例句：He study hard, therefore he can past the exam.他学习很努力，因此他能够通过考试。
是 借 以 、 从 而 、 由 此 的 意 思 ， 是 一 个 表 目 的 连 词 ， 如 例 句 ： 他 们 付 的 是 现 金 ， 以 免 付 利 息 。 是 为 此 ， 因 此 ， 所 以 的 意 思 ， 是 一 个 表 因 果 的 连 词 ； 如 例 句 ： 他 学 习 很 努 力 ， 因 此 他 能 够 通 过 考 试 。
thereby ：adv ，(formal) by that means 借以，从而，由此
这个表示“通过这种方式”的意思
therefore ：adv ，for that reason 为此，因此，所以 这个表示“由于这种原因”的意思
并例句和复合句
篇五:therefore
however, therefore, moreover 不能连接两个句子
五种简单句
1. 主谓 I came.therefore的用法和例句
Since 2000 the figure has dropped slightly/sharply.
2. 主谓宾 I love you.
Before presenting my view, I will explore both sides of the controversial issue.
The departments concerned should deal with this unpleasant matter in two days. In order to stay healthy, we should give up excessive smoking and drinking.
3. 主谓宾宾补 I found the room warm.
The stressful life makes many people sick.
We went to her house but found her out.
In English people name fat people couch potato. We made Tom monitor.
This placed her in a very difficult position.
I expect him to help me with my English.
We thought him to be an honest man.
I noticed him come in. He was noticed to come in.
I saw him swimming in the river.
He watched the piano carried upstairs.
4. 主谓双宾 I gave him a book.
The critics show us some convincing evidence.
5. 主系表 I am a student.
The fish went bad.
One merit of the Internet is easy access to the latest information.
并列句
1. and, not only…but also…
2. or, either…or…
3. but, yet, whereas, while
4. so, for He must be ill, for he doesn’t come here.
5. when=and at this/that time
1) sb was/were doing sth when…
2) sb was/were about to do sth when…
3) sb has just done sth when…
定语从句
1.只能用that的情况
1）先行词是all, none, much, little, something, anything, everything, nothing
2）先行词被the only, the very, all, any, no, few, little 修饰时
This is the very bike I lost yesterday.
3）先行词是形容词最高级或被形容词最高级修饰
4）先行词是序数词或它前面有序数词修饰
5）先行词既有人又有物
2.关系代词as 的用法
1）such + n. + as; the same + n. +as
We have found such materials as are used in their factory.
These houses were sold at such a low price as people expected.
He is not the same man as he was.
2）…such as…
Life is not such as I expect.
3.关系代词as 与which的区别
4. 抽象名词situation, stage, point 等，用where
名词性从句：主语从句，宾语从句，表语从句，同位语从句
1. that; whether/if; w,h
that 无地位无意义
whether/if无地位有意义
w/h有地位有意义
It depends on whether you can do the work well.
He asked me ‘how long have you lived in Liuzhou”
He asked me how long I had lived in Liuzhou.
2. what, wh-ever
Whoever comes will get a gift.
3. as if/ as though, because
It looked as if it was going to rain.
It seemed as if he had got one million dollars.
That is because you didn’t come on time.
状语从句 1.时间状语从句
when, while, as, after, before, as soon as, once, immediately, directly, instantly, the moment, the instant, hardly…when, scarcely…when, no sooner…than, till, until, not…until, every time, each time, next time, any time, the first/second/last time, since, by the time, 在时间状语从句中，要注意时态一致。一般情况下主句是将来时的时候，从句要用一般现在时。If it rains tomorrow, we will not play basketball.
1）when, while, as
When: 可持续可短暂；可同时可先于
a. When I lived there, I used to go to the seashore on Sundays. b. When the film ended, the people went
back.
= As a young man, he was fond of hunting.
While：只持续
a. Please don’t talk so loud while others are working.
As: 可交替可同时：一边……一边， 随着……
a. He hurried home, looking behind as he went.
b. As time goes on, it
When, While, As: 主短暂，从延续进行
：The moment I heard the voice, I knew my father was coming.
hardly…when, scarcely…when, no sooner…than
时态，倒装
We had no sooner arrived at the station than the train left. b. I had hardly got home when it began to rain. Hardly had I got home when it began to rain.
3) till, until, not…until:肯主延续，否主短暂, Until可句首，强调与倒装
a. He remained there until/till she arrived. b. You may stay here until/till the rain stops.
c. He won’t go to bed till/until she returns.
d. Until you told me I had no idea of it.
e. It was not until you told me that I had any idea of it.
I had no idea of it until you told me. It is(was) +被强调部分+that 从句
f. Not until you told me did I have any idea of it.
I had no idea of it until you told me.therefore的用法和例句
4) before: 才，还不到……就……， 还未……就……；从谓不否；还要多久才……；过不多久……就…… a. We had sailed four days and four nights before we saw land.
b. We hadn’t run a mile before he felt tired. c. Before I could get in a word, he had measured me.
d. Before they reached the station, the train had gone.
e. It will be half a year before I come back.
f. It won’t be long before we meet again. 5) since： 从短暂主延续，时态，时间算法
a. I have written home four times since I came here.
b. She has been working in this factory since she left school.
c. It is three years since the war broke out.
d. It is three years since I smoked a cigar.
= It is three years since I stopped smoking a cigar.
e. It is three years since I began to smoke.
6) every time, each time, next time, any time, the first/second/last time 每当……，每次……， 下次…… a. Every/Each time I was in trouble, he would come to help me out.
b. Next time you come, do remember to bring your son here.
c. The last time she saw James, he was lying in bed.
2. 地点状语从句：具体可前后，抽象须在前，与定异
where, wherever
a. We should go where the Party needs us most.
b. You are free to go wherever you like.
d. Where there is smoke, there is fire.
e. You’d better make a mark where you have any questions.
You’d better make a mark at the place where you have any questions.
3. 原因状语从句：because, as, since, now that, in that
a. I was absent from the meeting because I was ill.
b. As it is raining, we shall not go to the park.
c. Now that/Since everybody is here, let’s begin our meeting. e. His request is unreasonable in that he knows we cannot afford it.
4. 目的状语从句：so that, in order that, for fear that, in case
a. I’ll speak slowly so that/in order that you can understand me.
b. In order that we might see the sunrise, we started for the peak early.
in order that 引导的从句可放在句首，so that不可以
for fear that, in case
a. Mary didn’t want to get out of bed, for fear that she might wake her baby up.
b. Take your raincoat, in case it rains.
5. 结果状语从句：so that, so…that…, such…that…如此……以致于
so many/much/few/little +n. +that
such a lot of/lots of+ n. +that
SO/SUCH句首，主倒装
a. Mike is
’t support his family.
倒装
e. He didn’t get up early enough to catch the bus.
= He got up too late to catch the bus.
= He got up so late as to miss the bus.
6. 条件状语从句：if, unless除非, so/as long as只要, in case, on condition that, suppose/supposing that
a. You’ll fail the exam unless you study hard.
=You’ll fail the exam if you don’t study hard.
b. As long as you don’t lose heart, you will succeed.
c. Suppose/Supposing (that) they refuse us, who else can we turn to for help?
d. In case there is a fire, what will we do first?
7. 方式状语从句：as, as if好像, as though好像
1. Do as you are told to, or you’ll be fired.否则
2. The old lady treats the boy as if he were her own son.
发烧
8. 让步状语从句
1) although/though虽然, even though/even if即使 that）, provided （
词汇(一般功能)
篇六:therefore
词汇（一般功能）
词汇是语言能力在微观层面的基石。
词汇能力永远比句法更重要。简单的句法，只要用词准确、生动，也可能形成好的文字。 词汇由两个部分。一为一般功能性词汇，如：表示因果关系的词汇。一为托福写作中常用到的背景词汇，如：大学中的各种活动，模拟联合国（mock UN）。一般功能性词汇多为动词、形容词。特殊背景词汇多为名词。 一般功能性词汇和特殊背景词汇共同构成托福写作的词汇能力。
简单句法、精准用词的例子 was the of Darkness, it was the of hope, it was the of despair, we had everything before us, we had nothing before us, we were all going direct to heaven, we were all going direct the other way.
表示由于
表示因此
（逻辑关系 重点单词和搭配：
单词：due to / because of/ owning to/thanks totherefore的用法和例句
词汇讲解：
due to“由于，因…造成”，引导的短语在句中除可作状语（此时不用于句首）外，也可作表语或定语。due to后面不能接句子。
用法：
[例句] However, due to the stress from work, they can eat some extracted nutrition pills such as GNC series products to make up for losses of not cooking food.
[对应托福话题] People will spend less time on cooking food.
练习：
( ) the heavy pressure from work, young people hardly have time to go back home and talk with the seniors. Some people just send enough money to them but seldom talk with them.
During several decades, we have seen a obvious change ( ) globalization.
A group of highly intelligent and creative humans from New Mexico' Chaco Canyon, vanished
( ) a severe drought.
重点单词和搭配：
单词：therefore/ hence/ thus/ as a consequence/ as a result, consequently/ so that 词汇讲解：
therefore表示因此，可用在句首和句中都可以
用法：
[例句] Therefore, young people should experience a variety of jobs to identify the job that most suits them.
[对应托福话题] Young people should take different kinds of jobs before they take a career in a long term.
练习：
( ), basic aesthetic knowledge is indispensible for every person to be taught since he or she is young.
( ), parents should understand this and let their children learn what they are interested.
Modern life is more and more complex and ( )，it is essential for young people to have the ability to plan and organize.
表示导致产生（逻辑关系） 重点单词和搭配：
单词：lead to/ result in/ be responsible for/ give rise to/ cause/ generate
词汇讲解：
lead to:这个短语有两种解释，一是“通往、通向”：The path led to that village.第二种解释是“导致”：The leadership of my college closes their eyes to waste of water and electricity, leading the resources shortage.
用法：
[例句] Therefore, better environment will lead to a profound effect on the development of our country.
[对应托福话题] Improving schools is the most factor in successful development of country. 表示转折（逻辑关系） 重点单词和搭配：
单词：however/ but/yet/nonetheless/nevertheless
词汇讲解：
however:意为“可是，然而，尽管”，较 but 的意味弱，通常用作连接性状语。其位置可以在句首，句末或插入句中。当其被用来对照两个分句时，中间需要有一个逗号；当它被用作句子的插入语时，则前后应各有一个逗号。
用法：
[例句] However, even though parents can help children get through the temporary situations at present, children still have to meet more challenging task in the future study and work.
[对应托福话题] Parents should allow children to make their own choices rather than determine their children’s future for them.
表示让步（逻辑关系） 重点单词和搭配：
单词：although/though/even though/despite/despite the fact that/ in spite of
词汇讲解：
despite：意思是尽管，是介词，不是连词，所以不能用来引导句子，若其后要跟 that 从句，需插入 the fact
用法：
[例句] However, we should concede that despite the fact that there are many merits for children not to study art or music, overextended highlighting its good aspects will be indeed counterproductive, even harmful.
[对应托福话题] Younger school children (ages five to ten) should be required to study art and music in addition to math, science, history and language.
表示很多
表示很少 （事物数量）
重点单词和搭配：
单词：a large/significant/vast number of/numerous/ a great/significant deal (amount) of/plenty of
词汇讲解：
a large/significant/vast number of/numerous接可数名词，表示很多个，a great/significant deal (amount) of/plenty of接不可数名词，表示很多，大量
用法：
[例句] Nowadays technology has simplified the procedure of a large number of tasks and operations.
[对应托福话题] Technology has made children less creative than they were in the past. 重点单词和搭配：
单词：very little/ very few/ so little/ so few/ small quantity of
词汇讲解： little指的是几乎没有，接不可数名词，而a little表示有一点儿的意思。few有类似用法 用法：
[例句] Once beyond a certain threshold, money has little or no effect on happiness. Many wealthy people have experienced this and are not happier any more In fact, some wealthy people are completely unhappy.
[对应托福话题] Most business people are motivated only by the desire for more money. 表示各种各样
表示相同的
（事物数量）
重点单词和搭配：
单词：diverse/ various/ unlike/ dissimilar/ distinct
词汇讲解：
diverse: 表示多样性的，各种不同属性的，名词形式diversity
用法：
[例句] Moreover, for some people whose majors are general sciences, such as chemistry, physics and so forth, which means it is hard for them to select a clear-cut career, trying diverse jobs is not a rational option as well.
[对应托福话题] Young people should try several different jobs before they take a long term career.
重点单词和搭配：
单词：identical/indistinguishable/same/ similar
词汇讲解：
diverse: 表示多样性的，各种不同属性的，名词形式diversity
用法：
[例句] As people all over a country all have the identical culture atmosphere, they share the same way of how to look at something and evaluate something.
[对应托福话题] People can benefit more from travelling in their own country than travelling in foreign countries.