等比句
句型［主语（主体）+谓语+as+形容词/副词+as+被比对象］
1. He is as tall as I (am). 2. This window is just as wide as that one.
3. This is just as good an example as the other. 4. Does John work as hard as Henry?
5. We have accomplished as much in the past three years as would have taken ten years in the past.
[注] 如果形容词后有一个单数可数名词, 不定冠词应置于名词之前形容词后, 如：He is as poor a speaker as I.
句型［主语+谓语+no more形容词//副词（或no +形容词/副词比较级）+than+被比对象］
1. She is no less diligent than her elder sister. 2. One minute too late is no more in time than half an hour.
3. The food on the ship was no better than on any other ship on which Billy had sailed.
4. We too have a head and two hands and are no stupider than others.
5. Chinas women, no less than men, are participating in all kinds of work in the socialist construction of their country.
[注] 如果两个主语相比，谓语动词应与前一个保持一致关系。如： He no less than you is (不是are) diligent.
[附注] 表示等比的还有以下一些方式：
1) be equal to+被比对象如：A dingle day is equal to twenty years. In strength, he is equal to me.
2) be worth+被比对象 如：An inch of time is worth an inch of gold. A bird in the hand is worth two in the bush
3) 用其他词语表达：Three early mornings will make a day. Only he in our class can cope with you in knowledge of English.
差比句
句型［主语+谓语+形容词比较级/ 副词比较级+(名词)+than+被比对象］
1. Too much help is sometimes worse than no help.
2. Facts speak louder than eloquence. (Actions speak louder than words.)
3. Our room is a little larger than theirs and it has more furniture in it.
4. Light does not travel at the same speed through all materials; it goes slower through some than through others.
[注] 这种形容词组合还可以作定语，置于名词之后。如：It feeds on worms and other fish smaller than itself.
句型［主语+谓语+more/less+形容词原级/副词+than+被比对象］
1. This book is more interesting than that one.
2. He is more attentive in class now than he was last term.
3. Its less cold than it was yesterday.
4. He works more regularly than you do.
5. The new edition is less expensive than the old one.
[注1] 使用比较级要注意两点：
1) 不要使用双重比较级， 如：(误) His younger brother was more stronger than he.
(正) His younger brother was much stronger than he. His younger brother was stronger than he.
2) 不要使用无比较对象的孤立的比较级。如：(误) We saw many smaller houses on both sides of the river.
(正) We saw many small houses on both sides of the river.
(正) We saw many houses smaller than usual on both sides of the river.
[注2] 比较级前可加一些增强语气的词，如：much, even, still, a little (bit), slightly, far , any, no, a lot 等。
My room is a little (bit) smaller than hers. Eighteen is much less than eighty.
[注3] 如果表示因而更 可用句型 the+比较级+for (或because, as等词)，
如： I like him all the better for his faults. I do not like him the less because he has faults.
He is none the happier for his wealth. A good tale is none the worse for being twice told.
句型［主语+谓语+not so/not as+形容词原级/副词+as+被比对象］
1. Tom is not so tall as his brother. (Tom is less tall than his brother.)
2. Mr. Green is not so old as he looks. 3. It isnt as cold as it was yesterday.
4. John doesnt work so hard as Henry.
5. Dawney answered slowly: Never so happy as when my hands are full.
句型［主语+谓语+以or结尾的形容词比较级+to+被比对象］
1. His strength is superior to (=greater than) mine. 2. My knowledge is inferior to (=less than) his.
3. Is your father senior to mine? My father is junior to yours.
4. His arrival in New York is posterior to that of my friend.
5. Colored people are by no means inferior to white people.
句型［被比对象(第一分句暗示某种程度)+主体(第二分句含比较级)］
1. I caught the last bus from town; but Harry came home even later. (He came home later than I.)
2. The Long March is great, but the New Long March will be greater, and more arduous.
3. Dear as are father and mother, the motherland is still dearer.
4. One of my suitcases is small, and the other one is medium.
句型［主语+谓语+absolute superiority over+被比对象］
［主语+谓语+above/ next to+被比对象］ ［主语+cant compare with+被比对象］
1. The socialist system has demonstrated absolute superiority over the capitalist one.
2. The price of wisdom is above rubies. 3. We love truth above everything else.
4. As long as men live, water will continue to be what it is today - next in importance to oxygen.
5. Next to the Yangtze, the Yellow River is the second longest river in our country.
6. It is worth next to nothing. 7. How could Napoleon compare with Lenin?
8. The situation of the enemy cannot compare with ours.
[附注] 关于等差句有以下几点需要注意：
1) 句型16 not to speak of 等词组也可用以表示差比, 如: Even a worm, when trodden on, will turn, not to speak of a man outraged.
2) former, latter, elder等形容词, 词尾虽然是比较级形式, 但它们永远不用于比较句中, 也不能跟than, 如： He will come here in the latter part of year.
3) 等差既可以指出相差的数目, (用by+数词表示) 也可以指出相差的范围, 如: of +名词, with regard to, in point of, with respect to, with reference to, with relation to, in the sphere of, in the field of等等。例句: She is the more patient of the two. In point of commerce, Shanghai is more prosperous than Nanjing. With reference to territory, China is larger than America.
4) 有些语句的词序变动较大阅读和翻译时要弄清其结构。如：Easier said than done. (=It is easier to be said than to be done.) In science, more than in any other human institution, it is necessary to search out the past in order to understand the present and to control the future. (= It is more necessary in science than in any other human institution to search out)
有时一个词的原级和比较级在一同结构的句中会产生不同的意义，如：If he was ten years old, he would understand it. If he was ten years older, he would understand it.
5) 要注意避免不合理的比较。如：（误）The face of his father looks older than his uncle.
（正） The face of his father looks older than that of his uncle. His fathers face looks older than his uncles.
极比句
句型［the 形容词最高级/ 副词最高级+(名词)+范围词］
1. This is the easiest book Ive ever read. 2. Mrs. Thomson works hardest of all.
3. Dictionaries are like watches; the worst is better than none, and the best cannot be expected to go quite true. 4. It is our greatest happiness to dedicate our youth to the New Long March.
5. The least means shall be used to achieve the greatest end. 6. Which of the boys studies best?
句型［the most/ least形容词原级/副词+(名词)+范围词］
1. She is the most active girl in our class. 2. Youre the one who writes the most correctly.
3. How is your watch? - My watch goes the most accurately.
4. The most short-sighted man could see that at a glance, with his naked eyes, said Martin.
5. Light waves travel most quickly through air, they go much slower through water and even slower through glass.
[注1] best of all 表示肯定的最; least of all 表示否定的最， 如： I like swimming best of all.
I like that least of all. The least用作最高级时，往往被其后面的形容词的反义词的最高级所取代。如: This is the most difficult (不用the least easy) book Ive ever read. This is the most uninteresting (很少用the least interesting) book of the three.
[注2] 两个概念的表示法：1) 若干个最大中的一个可用 one of+最高级 表示, 如: What about horse-racing? - I should say that that is one of the most popular sports in Great Britain.
2) 第2, 3, 4大 可用 the 序数词+最高级 表示, 如： My home town is the second largest city in our province.
[注3] most前，如果没有the,则不是表示比较，而表示 很, 非常, 如: The present world situation is most favorable for the people. The meeting proceeded in a most friendly atmosphere.
句型［否定词+比较级］
1. I never saw a prettier sight. 2. No other book has had a greater influence on my life.
3. I will say this, that the best shot in existence could not have done it more beautifully
4. How about a game of bridge? - I cant think of a better idea.
5. When you come to think of it, there is nothing in the world more potent-and more impotent - than words
[注] 从反面表达最高比较级的方式很多，甚至可以不用比较级的词语，如：
Nothing ancient or modern seems to come near it. (come near 与相比)
In point of strength, he is second to none. (second to none独一无二)
No one is to be compared with him for resourcefulness. He has no equal in playing ping-pong ball.
句型［否定词语+so+形容词/ 副词+as+被比对象］
1. No country suffered so much as England. 2. No war is so great as the European war.
3. There is nothing I like so much as playing football. 4. Nothing is so easy as this.
5. None is so blind as those that wont see.
[注] 极比句中表示范围的词语，除了用差比句附注第三列出的词以外，还有以下几种。
1) 用that引出的从句表示范围: That is the most important discovery (that) ever made by man.
2) 用in 引出的短语表示范围: This is the busiest street in the city.
3) 用of 引出的短语表示范围: Of all the writers of the time Lu Shun enjoyed the greatest popularity among the people.
4) 用其他介词短语表示: Mr. Zhu is the strictest among the teachers of our school. It is the finest thing under the sun.
5) 用条件句表示范围: If there is one thing I do not like, it is a crying child
If there is a scoundrel upon earth, that scoundrels name is HEEP.
比例句
句型［(从句) The+形容词比较级/ 副词比较级, (主句) the+形容词比较级/ 副词比较级］( 第1个the是关系副词，有 by how much 之意，第2个the是指示副词，有 by so much 之意。)
1. The harder you work, the greater progress you will make.
2. The sooner we begin our work, the sooner we shall finish it.
3. The more a man knows, the more he discovers his ignorance.
4. How long is he going to stay there? - I dont know exactly, but the longer he stays the better.
5. The more I think of it, the happier I am.
[注1] 当比较级作表语而又不处于句首时, 可以不用the 相关联。 如：When we encounter more difficulties, we should be more spirited; when we are more at danger, we should be more courageous.
[注2] 注意本句型可省略的成分较多, 常见于谚语、俗语中 如： The sooner, the better.
= the sooner you do it the better it will be. = By how much sooner you do it, by so much better it will be.
= In whatever degree sooner you do it, in that degree better it will be. The more, the merrier. The more, the better.
[注3] 还有一些带比较级的词组，也含有比例发展的意味；但这些词组多用于表示同一事物的发展程度，一般不带被比对象。1) ever+比较级+ (and+比较级) 如：The story gets ever more exciting.
Our country is growing ever richer and stronger.
2) +比较级+and+比较级 如：his poor cheek has turned ever thinner and paler.
3) the+比较级 这大多是一种习惯用语。 如： So much the worse. a change for the worse all the more = more and more
择比句
句型［Better+(主语)形容词或副词/名词/(to)动词原形+than+被比对象］
1. Better late than never. 2. Better to do well than to say well.
3. Better to light one candle than to curse the darkness.
4. Better say nothing than nothing to the purpose.
5. Better die standing than live kneeling. (=it is better to die standing than to live kneeling.)
[注] 注意本句型可省略被比对象, 如： Better be with the dead. Better let the furnace cool a bit.
句型［主语+had (would) rather+动词原形+than+动词原形］
［主语+谓语+rather than+动词原形］
1. I would (或had) rather join you in research work than go on holiday to the seaside.
2. They would rather die as free men than live as slaves.
3. I would rather die with my head high, with indestructible faith and profound belief in the destiny of our country, than live in humility and renounce the principles which are sacred to me.
4. Oliver fell on his knees, clasping his hands together, and begged them to kill him if they pleased rather than send him away with that dreadful man. 5. He insisted on staying rather than go
句型［主语+prefer+名词或动名词A+to+名词或动名词B］
［主语+prefer+不定式A+rather than+不定式B］
1. I preferred these ruins to Kates pointed yellow boots. 2. He prefers doing to talking.
3. The revolutionaries preferred death to dishonor. 4. I prefer to work rather than (to) sit idle.
5. He prefers to write his letters rather than dictate others.
[注1] 注意本句型的两式不可混用。不可说 I prefer doing this rather than that. 只能说 I prefer doing this to (doing) that. 或 I prefer to do this rather than do that.
[注2] prefer的派生词 preferable, preference也都可用以表示择比。有以下方式：
1) 名词A+be+preferable to+名词B 如： This is preferable to that.
2) 名词A+in+preference to+名词B 如： After the noun reason, use that in preference to because.
3) preference for+名词A+to+名词B 如： I have a preference for Chinese to foreign novels.
句型［主语+would sooner+动词原形than+动词原形］
［Sooner than+动词原形(主句) 主语+would +动词原形］
1. I would sooner die than do such a thing.
2. Mr. Milton would sooner resign than take part in such dishonest business deals.
3. Sooner than do such work, I would starve.
4. Sooner than marry that man, Eva would earn her living as a waitress.
句型［主语+would (had)as soon/as lief+as+被弃对象］
1. I had as soon you broke his neck as his finger.
2. I would (just) as soon stay at home as go for a walk.
3. He would as soon kill himself as betray his country.
4. I would as lief (as soon) die as live in dishonor.
5. I would (had) as lief join the Eighth Route Army as anything.
句型［主语+choose+名词A+before+名词B］ ［主语+before+从句］
1. A hero should choose death before dishonor. 2. He chose this before all others.
3. I am willing to work myself to death before I give up. 4. I would do anything before that.
5. We would sooner die fighting first before we allow this to happen to us.
[注] 其他如first, leavefor或两个独立分句等也可表示择比， 如： He said he would resign first.
He left the bar for the pen. I like geography, but I prefer history.
对比句
句型［（第一并列分句）+while/whereas+（第二并列分句）］
1. The enemy rots with every passing day, while for us things are getting better daily.
2. The strength of the collective is boundless, while that of the individual is very limited.
3. Wise men love truth, whereas fools shun it.
4. You can also see that there is a grand piano, whereas ours is an upright.
句型［（第一并列分句）+but on the contrary+（第二并列分句）］
1. I have not nearly done. On the contrary, I have only just begun.
2. I do not admire that man, but on the contrary, I have a great contempt for him.
3. You think me idle, but on the contrary, I am very busy.
4. We are becoming stronger and stronger as we fight and, on the contrary, our enemy is getting more exhausted as the war drags on.
[注1] 与本句型相似的词组还有：1) Contrary to+名词 如： Contrary to what we had expected, he didnt come.
2) In contrast to+名词 如： In contrast to (或with) capitalism, there is nothing in the socialist economic system to cause war. 3) In opposition to+名词 如： In opposition to my wishes, you didnt study hard.
[注2] 与本句型意义相反的是 如同一样, 参考下面句式：
Just as+从句, Just like+从句: Just as Karl Marx did, he regarded a foreign language as a weapon in the struggle of life. = Just like Karl Marx, he regarded a foreign language as a weapon in the struggle of life.
句型［If+从句, (then)+主句］
1. If a government uses fascistic methods to suppress others, it is only one step removed from using the same methods against its own people.
2. If the desert can be called the sea, then the camels are the ships in it.
3. If in the capitalist world the working people toil only in order not to die of hunger, then in our country creative labor is considered as a thing glorious and heroic.
4. If this should be true, (then) that will be wrong.
[注] 表示对比意义的方式是比较多的，这里主要指出两种。1) 利用句子成分相同或相似的平行结构来表示，如：
We that (that是古旧用法) are sundered in sorrow may meet again in joy.
Books are the best of things if well used; if abused, among the worst.
2) Asso 也可以表示对比意义，如：As the bees love sweetness, so do the flies love rottenness.
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