一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc)
~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc)
例句：Helen is the most beautiful girl that I have ever seen.
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V
例句：Nothing is more important than to receive education.
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。)
例句：We cannot emphasize the importance of protecting our eyes too much.
四、There is no denying that + S + V ...(不可否认的...)
例句：There is no denying that the qualities of our living have gone from bad to worse.
五、It is universally acknowledged that + 句子~~ (全世界都知道...)
例句：It is universally acknowledged that trees are indispensable to us.
六、There is no doubt that + 句子~~ (毫无疑问的...)
例句：There is no doubt that our educational system leaves something to be desired.
七、An advantage of ~~~ is that + 句子 (...的优点是...)
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution.
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...)
例句：The reason why we have to grow trees is that they can provide us with fresh air./ The reason why we have to
grow trees is that they can supply fresh air for us.
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...)
例句：So precious is time that we can’t afford to waste it.
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...)
例句：Rich as our country is, the qualities of our living are by no means satisfactory. {by no means = in no way = on no account 一点也不}
十一、On no account can we + V ~~~ (我们绝对不能...)
例句：On no account can we ignore the value of knowledge.
十二、It is time + S + 过去式 (该是...的时候了)
例句：It is time the authorities concerned took proper steps to solve the traffic problems.
十三、There is no one but ~~~ (没有人不...)
例句：There is no one but longs to go to college.
十四、be + forced/#pelled/obliged + to + V (不得不...)
例句：Since the examination is around the corner, I am #pelled to give up doing sports.
十五、It pays to + V ~~~ (...是值得的。)
例句：It pays to help others.
十六、Spare no effort to + V (不遗余力的)
例句：We should spare no effort to beautify our environment.
好句~~
一)比较
1.The advantage far outweigh the disadvantages.
2.The advantages of A are much greater than those of B.
3.A may be preferable to B, but A suffers from the disadvantages that...
4.It is reasonable to maintain that ...but it would be foolish to claim that...
5.For all the disadvantages, it has its #pensating advantages.
6.Like anything else, it has its faults.
7.A and B has several points in #mon.
8.A bears some resemblances to B.
9.However, the same is not applicable to B.
10. A and B differ in several ways.
11. Evidently, it has both negative and positive effects.
12. People used to think ..., but things are different now.
13. The same is true of B.
14. Wondering as A is ,it has its drawbacks.
15. It is true that A ... , but the chief faults (obvious defects )are ...
二)原因
1.A number of factors are accountable for this situation.
A number of factors might contribute to (lead to ) (account for ) the phenomenon(problem).
2. The answer to this problem involves many factors.
3. The phenomenon mainly stems from the fact that...
4. The factors that contribute to this situation include...
5. The change in ...largely results from the fact that...
6. We may blame ...,but the real causes are...
7. Part of the explanations for it is that ...
One of the most #mon factors (causes ) is that ...
Another contributing factor (cause ) is ...
Perhaps the primary factor is that …
But the fundamental cause is that ...
三)后果
1. It may give rise to a host of problems.
2. The immediate result it produces is ...
3. It will exercise a profound influence upon...
4. Its consequence can be so great that...
四)批驳
1)It is true that ..., but one vital point is being left out.
2) There is a grain of truth in these statements, but they ignore a more important fact.
3) Some people say ..., but it does not hold water.
4) Many of us have been under the illusion that...
5) A close examination would reveal how ridiculous the statement is.
6) It makes no sense to argue for ...
7) Too much stress placed on ... may lead to ...
8) Such a statement mainly rests on the assumption that ...
9) Contrary to what is widely accepted, I maintain that ...
五)举例
1) A good case in point is ...
2) As an illustration, we may take ...
3) Such examples might be given easily.
4) ...is often cited as an example.
六)证明
1) No one can deny the fact that ...
2) The idea is hardly supported by facts.
3) Unfortunately, none of the available data shows ...
4) Recent studies indicate that ...
5) There is sufficient evidence to show that ...
6) According to statistics proved by ..., it can be seen that ...
七)开篇
1) Many nations have been faced with the problem of ...
2) Recently the problem has been brought into focus.
3) Recently the phenomenon has be#e a heated topic.
4) Recently the issue has aroused great concern among ...
5) Nowadays there is a growing concern over ...
6) Never in our history has the idea that ... been so popular.
7) Faced with ..., quite a few people argue that ...
8) According to a recent survey, ...
9) With the rapid development of ..., ...
八)结尾
1) From what has been discussed above, we can draw the conclusion that ...
2) It is high time that strict measures were taken to stop ...
3) It is necessary that steps should be taken to ...
4) In conclusion, it is imperative that ...
5) There is no easy method, but ...might be of some help.
6) To solve the above-mentioned problem, we must ...
7) In summary, if we continue to ignore the above mentioned issue, more problems will crop up.
8) With the efforts of all parts concerned, the problem will be solved thoroughly.
9) We might do more than identify the cause ; it is important to take actions to ...
10) Taking all these into account, we ...
11) Whether it is good or not /positive or negative, one thing is certain/clea
