1、"as... as..."的比较级固定句式
(一)
[例句] The defining term of intelligence in humans still seems to be the IQ score, even though IQ tests are not given as often as they used to be.
2、"...not so... as..."的比较级固定句式
[例句] For the women of my generation who were urged to keep juggling through the 80s, down-shifting in the mid-'90s' is not so much a search for the mythical good life - growing your own organic vegetables, and risking turning into one - as a personal recognition of yourlimitations.
[译文] 对于我们这一代在80年代被敦促搏击生活的女性来说，90年代中期的放慢生活节奏的生活，与其说是对神秘的美好生活的追求——自己种植有机蔬菜以及冒险进人一个神秘生活——倒不如说是对个人局限性的自我认识。
3、"more...than"的比较级固定句式
[例句] What they found, in attempting to model thought, is that the human brain’s roughlyone hundred billion nerve cells are much more talented - and human perception far more complicated - than previously imagined.
[例句] In addition, far more Japanese workers expressed dissatisfaction with their jobs than did their counterparts in the 10 other countries surveyed.
[译文] 而且，与其他10个被调查国家的工人相比，更多的日本工人对他们的工作表达不满。
[例句] In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the 1970s.
[译文] 在多数国家，目前原油成本在汽油价格中的所占的份额比20世纪70年代要小。
4、"less... than..."的比较级固定句式
[例句] Rich economies are also less dependent on oil than they were, and so less sensitive to swings in the oil price.
[例句] Certainly people do not seem less interested in success and its signs now than formerly.
[译文] 当然，目前人们似乎对成功及其象征物的兴趣并不亚于以前。
[例句] Science, in practice, depends far less on the experiments it prepares than on the preparedness of the minds of the men who watch the experiments: Sir Isaac Newton supposedly discovered gravity through the fall of an apple.
[译文] 在实践中，科学与其说依靠事先准备的实验，不如说依靠实验观察者有所准备的头脑。人们认为伊萨克•牛顿爵士通过苹果坠落发现了地球引力。
5、"the more…the more...”的比较级固定句式
[例句] As the Internet becomes more and more commercialized, it is in the interest of business to universalize access - after all, the more people online, the more potential customers there are.
[译文] 随着互联网变得越来越商业化，普及上网对商家是有利的——毕竟上网的人越多，潜在的客户就越多。
[例句] The more foreign capital you have helping you build your Third Wave infrastructure, which today is an electronic infrastructure, the better off you're going to be.
[译文] 你拥有用来建设第三次浪潮基础设施，目前即电子基础设施的外国资金越多，你就将越富裕。
6、 "just as... so..."的比较级固定句式
[例句] Tjius just as earlier theories have explained the mobility of the continents, so hotspots may explain their mutability (inconstancy).
[译文] 正如以前的理论解释了大陆的移动，热点理论也可能解释大陆的不稳定性。
（二）
1、"not...but..."的固定句式
[例句] Their methods do not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.
[译文] 他们的方法并不是试图估计海洋特定区域鱼类物种的实际生物量（活的生物物种数量），而是生物量随着时间的变化。
[例句] The astonishing distrust of the news media isn't rooted in inaccuracy or poor reportorial skills but in the daily clash of world views between reporters and their readers.
[例句] "The test of any democratic society," he wrote in a Wall Street Journalcolumn, "lies not in how well it can control expression but in whether it gives freedom of thought and expression the widest possible latitude, however disputable or irritating the results may sometimes be.
[译文] 他在《华尔街日报》的一个专栏中写道：“对任何民主社会的检验不在于它能多好地控制言论的表达，而在于它是否赋予思想和表达自由尽可能宽松的限度，不管结果有时会是多么有争议或令人不悦。
[例句] Comparison of British geological publications over the last century and a half reveals not simply an increasing emphasis on the primacy of research, but also a changing definition of what constitutes an acceptable research paper.
2、"there be..."的固定句式
[例句] And there are long, variable lags before policy changes have any effect on the economy.
[译文] 而且在政策改变对经济产生任何影响之前，有长时间的、变化无常的滞后期。
[例句] And thanks to the continual miniaturization of electronics and micro-mechanics, there are already robot systems that can perform some kinds of brain and bone surgery with sub-millimeter accuracy - far greater precision than highly skilled physicians can achieve with their hands alone.
3、强调句
(1)"it is... that..."的固定句式
[例句] Perhaps it is humankind’s long suffering at the mercy of flood and drought that makes the idea of forcing the waters to do our bidding so fascinating.
[译文] 也许正是人类长期承受洪水和干旱控制下的折磨，使驾驭洪水的想法特别令人痴迷。
(2)"it is…who…”的固定句式
[例句] It is the playgoers, the RSC contends, who bring in much of the town's revenue because they spend the night (some of them four or five nights) pouring cash into the hotels and restaurants.
[例句] In an odd way, however, it is the educated who have claimed to have given up on ambition as an ideal.
[译文] 然而奇怪的是，正是这些受过教育的人们宣称他们已经放弃把雄心壮志作为理想。
4、祈使句
(1)一般祈使句
[例句] Visualize how you would like it to end instead; the next time it occurs, try to wake up just enough to control its course.
[例句] Often it is the delivery which causes the audience to smile, so speak slowly and remember that a raised eyebrow or an unbelieving look may help to show that you are making a light-hearted remark.
[译文] 通常是说话的方式使听众发笑，因此说慢一些，并且记住扬扬眉毛或者使用一种无法相信的神情都会向人们显示你正在说笑话。
(2)特殊祈使句（祈使句 and 主谓结构）
[例句] Step outside and you could break a leg slipping on your doormat.
[例句] Light up stove and you could burn down the house.
5、"...so that... ”的固定句式
[例句] If you feel awkward being humorous, you must practice so that it becomes more natural, include a few casual and apparently off-the-cuff remarks which you can deliver in a relaxed and unforced manner.
[译文] 如果你在幽默时感到很别扭，你应该进行练习以便幽默变得更自然。插入一些很随便的看上去是即兴的话，你能够用轻松的、不做作的方式把它们说出来。
[例句] In Europe, taxes account for up to four-fifths of the retail price, so even quite big changes in the price of crude have a more muted effect on pump prices than in the past. (2002-3-3)
6、介词“with”引导的独立主格结构
[例句] With the risks obvious and growing, a prudent people would take out an insurance policy now.
（三）
1、"enough…to"的固定句式
[例句] "While we know how to tell a robot to handle a specific error," says Dave Lavery, manager of a robotics program at NASA," we can't yet give a robot enough 'commonsense' to reliably interact with a dynamic world."
2、"it occurs to sb. that..."的固定句式
[例句] When I decided to quit my full time employment it never occurred to me that I might become a part of a new international trend.
[译文] 当我决定辞去全日制工作的时候，我未曾想到我会成为一种新的国际流行趋势的一部分。
3、插入语
[例句] But, for a small group of students, professional training might be the way to go since well-developed skills, all other factors being equal, can be the difference between having a job and not.
[译文] 但是对于一小部分学生来说，职业训练也许是可取的方式，因为在其他因素同等的情况下，熟练的技术可以在得到或失去工作之间起到作用。
4、"it is time that…"的固定句式
[例句] It is time that the world learned the lessons of Aswan.
5、"on the grounds that..."的固定句式
[例句] Railroads justify rate discrimination against captive shippers on the grounds that in the long run it reduces everyone's cost.
6、"it isn't clear that..."的固定句式
[例句] While warnings are often appropriate and necessary - the dangers of drug interactions, for example - and many are required by state or federal regulations, it isn't clear that they actually protect the manufacturers and sellers from liability if a customer is injured.
