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retain 和remain的区别和用法?
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remain doing1.retain 存留之意We retained the original fireplace when we decorated the room.我们装修房间时保留了原来的壁炉 (存留之意-原本有的东西保留下来)2.remain 是保持 原来状态 (关键在"状态" )remain standing,seated 一直站着,坐着试想想看,如果用retain 的话,完全就马屁不通了
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retain基本说一个人把某东西留下来了，比如你retain possession（保留所有权，比如物品或者足球的控制） remain可以用来说别人，请你remain在你的座位上等等 哎呀，总之最好的办法是多看看例句，然后就有语感了，‘就是知道’应该用哪个。再怎么解释，再用中文分析，也不如这 remain: 1.to continue to be in the same state or cond...
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＞＞＞____ is no good ____ without doing anything.A．T talkin..
____ is no good ____ without doing anything.A．T talkingB．It; to talkC．It; talkingD．T to talk
题型：单选题难度：中档来源：不详
C试题分析：句意：只说不做没有好处。因为这里no good 后跟doing，主语应该用形式主语it，故用C。点评：本题难度适中。固定句式是近几年高考常出现的一个考查项目，高中阶段的一些句式不是很多，提醒考生在平时多加注意它们的用法及意义。即学即练：It is obvious to the students____they should get well prepared for their future.A. as&&&&&&&&&&&& B. which&&&&&&&&&& C. whether&&&&&&&& D. that解析：D。句中it为形式主语，that引导的主语从句为真正的主语。句意为：对于学生来说，他们应当为未来做好充分的准备是很明显的。
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据魔方格专家权威分析，试题“____ is no good ____ without doing anything.A．T talkin..”主要考查你对&&there be句型&&等考点的理解。关于这些考点的“档案”如下：
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因为篇幅有限，只列出部分考点，详细请访问。
there be句型
there be句型的概念：
英语中的there be结构主要表示某处存在有某物，所以通常被称为存在句。其中的there为引导词，无词义，be为谓语动词，therebe后面的名词为句子主语。therebe结构的否定式和疑问式：
&1、否定式：there be结构的否定式通常应将否定词置于动词be之后： 如：There is not any bread left. 没有一点面包了。 &&&&&&& There isn't anything I can do for you. 我帮不了你什么忙。若谓语中包括有助动词或情态动词，通常将否定词置于助动词与情态动词之后： 如：There can't be so many mistakes. 不可能有那么多错误。 &&&&&&& There shouldn't be any doubt about it. 对此不应有什么怀疑。 &&&&&&& There haven't been any parties in weeks. 好几个礼拜没开过晚会了。另外注意以下类型的否定式： 如：There doesn't seem to have been any difficulty over the money question. 在钱的问题上似乎没发生什么困难。 2、疑问式：there be结构的疑问式通常应将否定词置于动词be之后： 如：Is there any good film on? 映什么好电影吗? &&&&&&& Is there room for me in the car? 车子里还有我坐的地方吗? &&&&&&& Are there any letters for me? 有我的信吗? 若谓语中包括有助动词或情态动词，通常将助动词或情态动词移至句首构成疑问式： 如：Has there been an accident? 出事了吗? &&&&&&& Have there been any new developments? 有什么新的发展吗? &&&&&&& Can there have been so much rain there？那儿会下过那么多雨吗？另外注意以下类型的疑问式： 如：Uncle Jesse, why do there have to be poor people like those? 杰西叔，为什么一定要有他们那样的穷人? there be结构的谓语形式：1、主谓一致问题：&若只有一个主语，谓语的数则取决于该主语的数；若有几个主语并列，则通常是与靠近的主语保持一致： 如：There is a man at the door. 门口有个人。 &&&&&&& There are some girls in the room. 房间里有几个女孩。 &&&&&&& There is a pen and some books on the desk. 桌上有一支钢笔和一些书。 2、时态问题：there be结构的时态由其中的谓语动词be来体现，它可以有一般现在时、一般将来时、一般过去时、现在完成时以及过去完成时等多种时态形式： 如：There is going to be[will be] an English film tonight. 今晚将有一场英语电影。 &&&&&&& There was a lot to be done. 有很多事要做。 &&&&&&& There were some children swimming in the river. 有些小孩在河里游泳。 &&&&&&& There have been many such accidents. 已发生了好几起那样的事故。 &&&&&&& There had been two seafights between them. 他们之间发生了两场海战。 3、与情态动词连用：there be结构有时可以与情态动词连用： 如：There may be a storm tomorrow. 明天可能有风暴。 &&&&&&& There used to be a hospital here. 原来这里有家医院。 &&&&&&& He felt there must be something wrong. 他感到准有什么问题。 &&&&&&& There might still be hope. 可能还有希望。 &&&&&&& There ought to be a comma here. 这儿应有一个逗号。 4、动词be换成其他动词：有时可将there be中的动词：be换为live, remain, seem, appear, exist, stand, lie, come等： 如：Once upon a time there lived a man known by the name of Joe Beef. 从前有个人名叫乔·比夫。&&&&&&&&&There seems[appears] something the matter with her. 她好像是出了什么事似的。 &&&&&&& There existed different opinions on this problem. 对这个问题曾有不同看法。 &&&&&&& There remained just twenty-eight pounds. 只剩28英镑了。 &&&&&&& At the top of the hill there stands an old temple. 在小山顶上有一座古庙。 5、与其他动词搭配使用：there be结构有时可与其他动词搭配使用，构成一种复合谓语： 如：There seemed to be nobody about, so I went in. 附近似乎没有人，因此我就走了进去。 &&&&&&& There happened to be a man walking by. 恰好有一个人从旁经过。
therebe结构的非谓语形式： 基本结构：there be结构的非谓语形式有两种基本结构，即there being和there to be：1、there being结构该结构的主要用法有： (1)用作状语： 如：There being nothing else to do, we went home. 由于没什么其他的事要干，所以我们就回家了。 &&&&&&& There having been no rain, the ground was dry. 由于没有下雨，所以地面很干。【注】有时可与状语从句转换： 如：There being no further business(=As there was no further business), I declared the meeting closed. 由于没有别的事了，我宣布闭会。 (2)用作介词宾语： 如：There is now some hope of there being a settle ment of the dispute. 现在有点希望可以解决这次争端。 2、There to be结构该结构的主要用法有： (1)用作动词宾语：该结构可用作某些动词（如like, prefer, hate, want, mean, intend, expect, consider等）的宾语： 如：I don't want there to be any misunderstanding. 我可不希望有任何误解。 &&&&&&& Students hate there to be too much homework. 学生讨厌做太多的家庭作业。 &&&&&&& We expect there to be more discussion about this. 我们期望能对此展开更多的讨论。【注】在let there be结构中，动词be不带to： 如：Don't let there be any noise. 不允许有任何吵闹。 &&&&&&& Let there be no mistake about it. 这事不要出错。 (2)用作介词for的宾语： 如：They asked for there to be another meeting. 他们要求再开一次会议。【注】用作介词宾语一般用there being，但用作介词for的宾语时，只能用there to be。比较：They planned on there being another meeting. 他们打算再开一次会议。 &&&&&&&&&&& They planned for there to be another meeting. 他们打算再开一次会议。几个重要句型和结构：
&1、There is no doing结构：其意为“不可能…”、“无法…”： 如：There's no denying the fact. 这一事实不容否认。 &&&&&&& There is no getting over the difficulty. 这困难无法克服。 &&&&&&& There is no knowing what he will do next. 无法知道他下一步要干什么。 &&&&&&& There was no telling when she would be back. 没法知道她什么时候回来。 2、There is no difficulty in doing sth结构：意为“做某事没有困难”： 如：There is no difficulty in finding his office. 找到了他的办公室没费一点劲。 &&&&&&& There was no difficulty in carrying out the plan. 执行这项计划没什么困难。 3、There's no doubt…结构：意为“毫无疑问…”： 如：There is no doubt of his success. 毫无疑问他一定会成功。 &&&&&&& There could be no doubt that he was one of the best writer in this country. 毫无疑问他是这个国家最优秀的作家之一。 4、There is no hurry(to do sth)句式：其意为“不用急(于做某事)”： 如：There's no hurry to return the book. 现在不急于还书。 &&&&&&& There's no hurry, so do it slowly and carefully. 不用赶时间，要慢慢细心地做。 5、There's no need for…结构：其意为“不需要或不必要…”： 如：There is no need for help. 不需要帮助。 &&&&&&& There is no need for you to go. 你没有必要去。 6、There is no question about...结构：其意为“…是毫无疑问的”： 如：There's no question about his success. 毫无疑问他会成功。 &&&&&&& There's no question about his honesty. 毫无疑问他是诚实的。 7、There is no question of doing sth句式：其意为“做某事是不可能的”： 如：There is no question of his coming. 他不可能会来。 &&&&&&& There is no question of our arriving on time. 我们不可能准时赶到。 8、There is no sense in doing sth结构：意为“做某事没有道理或好处”： 如：There's no sense in criticizing him. 批评他也没有用。 &&&&&&& There's no sense in waiting three hours. 等三小时是不没有道理的。 9、There's no point in doing sth句式：意为“做某事没有用”： 如：There's no point(in) telling her about it. 告诉她没有用。 如：There's no point in wasting time. 耗时间没用。【注】以上有的结构中的no根据情况也可换成其他限定词： 如：There is some difficulty in doing sth 意为“做某事有些困难”。&&&&&&&&&There is much difficulty in doing sth 意为“做某事许多困难”。 &&&&&&& There's a need for… 意为“需要或有必要…”。 10、“there be＋名词＋动词”结构：（1）there be+宾语+现在分词现在分词表示主动关系，同时表示动作正在进行：如：There is some one waiting for him. 有人在等他。&&&&&&& There was a man standing in front of me. 我前面站着一个男人。&&&&&&& There were some children swimming in the river. 有些小孩在河里游泳。&&&&&&& There were a group of young people working in the fields. 有一群青年在地里劳动。有时现在分词可表示一种状态：如：There's a piano standing against the wall. 靠墙有一架钢琴。&&&&&&& There're a lot of difficulties facing us. 我们面前有很多困难。&&&&&&& There is a door leading to the garden. 有一座门通往花园。有个别现在分词用于该结构时可以表示将来(正如它们可用进行时表示将来一样)：如：There are ten people coming to dinner. 有10个人来吃晚饭。（2）there be+宾语+过去分词过去分词表示一种被动关系，同时表示动作已经发生：如：There is nothing written on it. 上面没写东西。&&&&&&& There were ten people killed in the accident. 事故中有10人丧生。有时过去分词也可表示一种状态(可转换成被动结构)：&&&&&&& There were some old men seated(=who were seated)in the back. 有些老人坐在后面。&&&&&&& There is a red car parked(=which is parked)outside the house. 房子外边停着一辆红色汽车。（3）therebe+宾语+不定式不定式通常表示动作尚未发生：如：There was nobody to look after the child. 没有人照顾这孩子。&&&&&&& There was a large crowd to send him off. 有一大群人要来给他送行。&&&&&&& There was so much to lose that we couldn't take any risks. 可能会有很大的损失，因此我们不能冒险。【注】当其中的宾语与其后的不定式为被动关系时，可用主动表被动，也可用被动式：如：There is much work to do[to be done]. 有许多工作要做。有时其中的不定式为系表结构：&&&&&&& There is nothing to be afraid of. 没什么可怕的。&&&&&&& What was there to be afraid of. 有什么可怕的?&&&&&&& There's nothing to be ashamed of. 没有什么值得羞愧的。
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关于remain这个词的用法我知道remain后可接V-ing如：She remained standing though we repeatedly asked her to sit down．但又可以接-ed表状态如：remain seated我觉得有时这两种用法是可以互换的,但有次做选择题时就只给用remain seated 而不选 remain seating请高人解释一下为什么不可选“seating”啊?再讲一下怎么区分remain的这两种用法.remain seated 中的seated 可以理解为是形容词吗？
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seated = sitting这两个词可以任选一个用,但如果用seating 就不通了.是的,seated 可以理解为一个形容词.
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remain 做名词解释为遗迹，后加形容词(形容词后置)修辞remain。
remain作系动词，后面跟形容词性的和动词过去分词
正如yuri34 所言，reamin在这里是系动词，表示状态的延/持续，后面跟的ed或者ing分词是作为表语使用，如the job remained undone.但这个表语也可以是不定式remained to be done。总而言之，可以充当标语的成分都可以放在remain后面，但前提是意义必须符合。你这个关于seated还是seating的疑问，其实是不了解seat的用法与意义的结...
扫描下载二维码关于remain的用法在高中阶段,remain有什么用法,固定句式等等的?求讲解它的详细用法,尤其是...
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关于remain的用法在高中阶段,remain有什么用法,固定句式等等的?求讲解它的详细用法,尤其是...
remain是高中重点动词,高考经常出现.关于它的用法有以下几点：1、作不及物动词表示“剩下”、“仍有”,只能用于主动语态,不可直接接宾语.This visit will always remain in my memory.这次拜访将永远留在我的记忆当中.表示“留下”、“逗留”They went,but I remained.他们走了,但我留下来了.表示“尚待”、“留待”This problem remains to be solved.这个问题尚待解决.2、作系动词表示“一直保持”、“仍然（处于某种状态）”后接名词In spite of their quarrel,they remained the best friends.他们虽然吵过架,但仍然是最好的朋友.后接形容词We must always remain modest and calm.我们必须经常保持谦虚、谨慎.后接动名词She remained standing though we asked her to sit down.虽然我们请她坐下,但她还是站着.后面接seat时,seat要变成seated,看成形容词形式,意思“就座的”.也就是remain+形容词的句式Please remain seated until the plane has come to a complete stop.在飞机完全停稳前,请不要离开您的座位.
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学年高中英语外研版必修一教师用书Module+5　A+Lesson+in+a+Lab.doc 40页
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学年高中英语外研版必修一教师用书Module+5　A+Lesson+in+a+Lab.doc
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Module 5　A Lesson in a Lab
【美文阅读】　
How to create a rocket balloon
To create a rocket balloon, you'll need the following items: a balloon (any size), a piece of string (10 to 25 feet), a straight drinking straw (吸管), tape.
First, you have to create a “track” for the rocket balloon to run on. You begin by tying one end of the string to a tree, post, chair, or any other strong support. Then slide (使滑动) the free end of the string through the drinking straw. Tie the other end of the string to another support (generally at the same height). Make sure the string is taut(绷紧的) when tied down.
Move the straw to one end of the string. Fill the balloon with air. Hold the neck tightly to keep it full. Using two pieces of tape to attach the balloon to the straw. The mouth of the balloon should point toward the nearest support. Then release the balloon and watch it go!
When the mouth of the balloon is held closed, the air in the balloon has nowhere to go, so it pushes back to keep the balloon's shape. However, since the mouth is open when you release it, the air has somewhere to go. The air pushes out the mouth of the balloon. Since the air is now moving, the rocket balloon also moves. This follows Newton's Third Law of Motion (for every action there's an equal and opposite reaction)．
There is friction (摩擦) between the string and the straw, but the straw is made of material that's smooth and the weight of the balloon and straw is light, so the overall frictional force is very small.
It is the same when rockets work. They burn fuel to push matter out the back forcefully. The rocket moves in response to this. Since a rocket weighs much more than a balloon, of course, it takes more fuel to get it moving.
【诱思导学】　
1．Do you like doing scientific experiments? What are the stages of a scientific experiment?
【答案】　Yes, I do. The stages are as follows: aim—method—result—conclusion.
2．What will happen when the air in t
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