1.There be结构

1) There are other techniques that might help you with you studying.

2) There is more entertainment in a good book than is a month of typical TV programming.

3) Most curious of all, there was no quality control whatsoever.

4) There were no breaks in the day to relieve the boring work.

5) In the past 50 years there has been a great increase in the amount of research being done on the brain.

6) There are so many of thee paths and so many metal particles that it is impossible to land a flying saucer without is being smashed by one.

7) There is much that we can learn from him today.

8) There are two sides to every question. If you take one side with decision and act on it with effect, those who take the other side will of course resent your actions.

9) There is no sense(道理)in leaving important decisions to inexperienced people.

10) There is little sense in treating the child so severely. After all he is too young to know that he was doing wrong.

11) There is no surgical patient I cannot treat competently, treat just as well as or better than any other surgeon.

12) There were still situations in which I couldn’t be certain my decision had been the right one.

13) There’s no right or wrong in the situation. There’s just luck.

14) There’s no way to prepare for the next time—no intelligent response to a gun.

15) There is no way to stop the process of aging. In fact, we can only delay it.

16) There are other indications that high school cheating may be on the rise (还有一些迹象表明……)

17) There is some evidence that dishonesty may ebb and flow(起伏波动)

18) Today there is evidence that the time between each of the steps in this cycle has been shortened.

19) There can be on doubt that he is the right person for the job.

20) There is no doubt that their support will make a difference in out cause .

21) There is no doubt that these measures will contribute to the solution of the problem.

22) There is no doubt that Jim had more talent than anybody who ever played football.

23) There’s no substitute(替代物) for practical experience.

24) There is urgent need to debate this issue openly

25) There are tow ways in which one can own a book.

26) There have been some small fluctuation(波动) in the past year, but by and large prices have remained stable.

2.It 结构

1) It is advisable to exercise(拥有) patience in dealing with such complicated situations.

2) It is advisable to place important telephone numbers nest to the phone in case of an emergency.

3) It is biologically reasonable for deer to reduce their cost of living to increase their chances of surviving in winter.

4) It is essential that the increase in production should be geared to (适应) the increase in public demand.

5) It is necessary that young and old people should communicate more with each other.

6) It is thoughtless of some parents to allow their children to watch whatever program is on television.

7) It is incredible(不可思议) that he ate the big cake just in tow bites.

8) It was obvious to everyone that the marriage would sooner or later end in separation if not diverce.

9) It was clear that Dad could do no more than he was doing already.

10) It is certain that fresh air and exercises are more valuable than medicine.

11) It is certain that with determination and hard work you will succeed eventually.

12) It was quite apparent that both sides were making a great effort to win the prize.

13) It was almost impossible for an Indian to gain even a fair education an extremely difficult, as a result, for an Indian to rese high in life.

14) It is easy to fall into bad habits but very difficult to break away form them.

15) It’s not easy to size up (估计) the situation right now. For we are not well informed on recent developments.

16) It is not easy to say exactly what each part of the brain does.

17) It is not wise to change you money into U . S. currency.

18) It was not until about 1600B.C. when the chariot (马拉战车) was invented that the maximum speed was raised to roughly twenty miles per hour.

19) It is only recently that science has begun to give us some idea of how the brain really works

20) It was not until the century that man realized that the whole of the brain was involved in the working of the mind.

21) It is conflict and not unquestioning agreement that keeps freedom alive.

22) It was in times of crisis that I finally found out what he was really like.

23) It took the human race millions of years to attain that record.

24) It took a mere twenty-year flick(一瞬) of time to double the limit again.

25) It takes (took) sb. some time to do sth.

26) If it takes less time to bring a new idea to the marketplace, it also takes less time for it to sweep through the society.

27) It will take the council a few weeks to judge the situation before it takes any further action.

28) It is well known that many of our problems are caused at least in part by failure to communicate.

29) It is fairly well known that wild animals survive form year to year by eating as much as they can during times of plenty.

30) It is probably less well known that even with their stored fat, wild animals spend less energy to live in winter than in summer.

31) It remains unknown whether there are intelligent beings outside the solar system.

32) It has been pointed out that in 6000B. C. the fastest transportation available to man over

33) It is now thought that the more work we give our brains, the more work they are able to do.

34) It can be argued that such a response may not mean much (有人认为……)

35) It is reported that the electronic industry is going on rapidly in recent year.

36) It is reported that there has been a decrease in the annual birth rate over the last two decades.

37) It is estimated that the total expenses in the trial manufacture of the new products will come to 30,000 yuan.

38) Once it was thought that nighttime dreams interfered with our needed rest.

39) It has been observed that unemployment brings enormous psychological troubles.

40) Even so, it seemed to him that he was part of the whole event.

41) It seems to me that the Americans are a highly mobile people. Most of them like to travel whenever they get the chance.

42) It seemed to me that the only thing that mattered was to get her husband back to her.

43) But it is only because it is my work to do so.

44) It is an encouraging sign that people’s purchasing power(购买力)is on the rise.

45) It is common knowledge that chalk absorbs moisture (湿气) from the air.

46) It might be a way to avoid the indignity of having to ask for money all the time.

47) It used to be a popular belief the we could foretell a person’s future on the basis of the date and time of his birth.

48) It pays in the long run (从长远的角度看……) to introduce new technique

49) It is time for out symbols of technology to change — to catch up with the quickening changes in technology itself.

50) It has been only twenty-five years since television came to one of people’s pastimes.

51) It may well come as a surprise to learn that not only psychologists but other behavioral scientists have come to accept the positive contribution of work to the individual’s happiness and sense of personal achievement.

3.动名词或分词结构

1) Improving your study habits will improve your grades.

2) Teaching gives me pace, and variety, and challenge, and the opportunity to keep on learning.

3) Being very short of money and wanting to do something useful, I applied.

4) Having little in common is a frequent cause of divorce.

5) Owing sets of books is useless unless you read them.

6) Drinking, eating, and smoking excessively can do severe harm to even a young person’s health.

7) The art of communication requires learning the language and culture of the audience.

4.递进式结构

1) Fresh vegetables are nutritious(有营养的); furthermore, they re cheaper than frozen ones.

2) We will not only bring joy into other people’s lives, but also added happiness into our own.

3) But teaching offers something beside money and power; it offers love. Not only the love of learning and go books and ideas, but also the love that a teacher feels for his students.

4) Not only should you limber up (做准备活动) before exercising, but you must also be sure to cool down afterwards.

5) They do not seem to like one anther very much. Neither are they too keen on conventional people (正统的人)

5.主语从句结构

1) What makes it rather disturbing (令人烦恼) was the arbitrary circumstances both of my arrest and my subsequent fate in court.

2) But what was most shocking at the time was the thins my release from the charge so clearly depended on .

3) What I remember then is not her failure, but her courage, the courage to go ahead.
6.过渡句

1) This is not necessarily the case, however.

2) We want to keep up with the times.

3) Good intentions alone are not enough.

4) It was indeed the case.

5) But modern research has found that this is not so.

6) But it is now thought that this in not so.

7) What does this mean as far as our flying saucer program is concerned?

8) As for as I am concerned, some days are lucky while others seem marked by bad fortune.

9) And that last ounce is what really counts.

10) What is the point of being rich? (富有的意义何在呢？)

11) What other power matters? [其他的权力有什么重要的(要紧的)呢]？

12) Yet there are advantages to underground life.

7.表示重要性或必要性

1) It’s important to set aside time for relaxation, hobbies , and entertainment as well.

2) Improved consumer confidence is extremely important to an economic recovery.

3) What is important in both stories is that honesty was seen as an important part of the American character.

4) The ability to observe keenly and in detail is necessary for anyone who wishes to become a scientist.

5) To find a solution to a conflict, it is often necessary to make some kind of compromise (妥协)

6) A harmonious atmosphere is essential(necessary / critical / indispensable) to successful reform.

7) It is essential that the increase in production should be geared to (适应) the increase in public demand.

8) The essential point is that military sanctions (军事制裁) cannot be counted on (指望) to produce a sure result.

9) The emphasis of the report is on how technology affects human life rather than business.

10) We should make a careful study of the problem and try to find out a solution to it.

8.表示目的

1) The purpose of a test is to show what you have leaned about a subject.

2) Believe it or not, her only purpose in saying all that is to help you help yourself

3) The purpose of the campaign was to catch “ringers”—students who take tests for other students.

4) The intent is not to catch everyone but rather to catch enough to spread the word.

5) Competitive sports are recommended to young adults to prepare them for the competitive world of college and business.

6) The ultimate object of scientific inquiry is to discover the laws of nature.

9.表示结果

1) Too much discussion will only lead to confusion.

2) Too much work and too little rest may lead to loss of health

3) If you try to learn too many things at a time, you may get confused.

4) He had experienced fear and conquered it . In doing so, he had undoubtedly learnt something about himself.

5) Efforts to bring together people of different races and cultures have not met with (获得) complete success.

6) we have made numerous attempts to solve the problem, but so far our efforts have been unsuccessful.

7) state financial support given in the form of scholarships has stimulated.

8) By consistent hard work we have achieved the major economic objectives (目标) of the ninth five-year plan.

9) New machines were introduced into the factory. As a result, not only were time and energy saved but production was greatly increased.

10) The pressures of modern urban life have led to increased occurrences(发生)of alcoholism(酗酒)and drug abuse(吸毒), mental illness, suicide(自杀), and divorce in Western societies.

11) We note with satisfaction that all these activities have helped to promote mutual understanding and friendship between our two countries.

12) The damage done to manmade structures and to human beings by weather would be gone.

13) The population is leveling off (处于平衡状态) in the area as a result of family planning.

14) For large numbers of people, the absence of work is harmful to their health.

10.表示对比和比较

1) Of all American cities, San Francisco is considered by many to be by far the most beautiful.

2) Jobs and work do much more than most of us realize to provide happiness and contentment.

3) We are much less conscious of the extent to which work provides the more crucial(关键)psychological well-being that can make the difference between a full and an empty life.

4) Work is more than a necessity for most human beings; it is the focus of their lives, the source of their identity and creativity.

5) Rather than a punishment or a burden, work is the opportunity to realize one’s potential.

6) Few pastimes bring a family closer together than gathering around and listening to mother or father read good story

7) Man differs most from all the other animals in his ability to learn and use language but we still do not know exactly how this is done.

8) Generally speaking(In general), young people are less conservative(保守)than old people.

9) The way the brain works is far more complicated than they had thought.

10) The more scientists find out, the more questions they are unable to answer.

11) Many Americans choose to travel by car rather than by any other means of transportation.

12) Worse perhaps was the idea of Saturday afternoon cricket.

13) There is no surgical patient I cannot treat competently, treat just as well as or better that any other surgeon.

14) Social customs are different from what they used to be fifty years ago.

15) He has to feel that he’s good as and probably better than any other surgeon in the world.

16) Behavior which may be considered quite strange in one culture is often looked upon as completely normal in another.

17) It is as hard to pass her by without giving her some money as it is to ignore the collection box in church.

18) It is as morally hard to turn her away as it is a lost dog.

19) Attitudes towards daydreaming are changing in much the same way that attitudes towards night dreaming have changed.

20) We accept the authority of our parents when we are young, but as we mature we may begin to question their advice.