1． It作先行主语和先行宾语的一些句型

        It is well known that…  

        It is generally believed that …

        It is universally acknowledged that… 

        It is commonly accepted that...
        It is important / necessary / ... for sb. to do sth.
2． 强调句型
     It is not who does it that is important, but how he does it.
3． as…as…can
    We should work as hard as we can to make progress.

4． It is no wonder that…

5．oo…+不定式"，not（never）too…+不定式"，"too…not+不定式
She is too angry to speak.
One is never too old to learn.

6． "no more …than…"句型
A home without love is no more a home than a body without a soul is a man.

7． "Nothing is more…than"和"Nothing is so …as"结构，"Nothing is more…than"和"Nothing is so …as"都具有最高级比较的意思，"Nothing I"可换用"no"，"nobody"，"nowhere"，"little"，"few"，"hardly"，"scarcely"等等，可译为"没有……比……更为"，"像……再没有了"，"最……"等。
Nothing is more precious than time.

8． "cannot…too…"结构,"cannot…too…"意为"It is impossible to overdo…"或者，即"无论怎样……也不算过分"。"not"可换用"hardly"，"scarcely"等，"too"可换用"enough"，"sufficient"等

9.  Clever as she is,…/ Student as he is, …./ Hard as he works, …

10. You cannot be too careful. 再小心也不为过

11． "否定+until (till)"结构，在否定词"no"，"not"，"never"，"little"，"few"，"seldom"等的后边所接用的"until/till"，多数情况下译为"直到……才……"，"要……才……"，把否定译为肯定。
Nobody knows what he can do till he has tried.

12． "not so…but"和"not such a …but"结构，这两个结构和"否定+but"的结构差不多，不同之点是这两个结构中的"but"是含有"that…not"意味的连续词，表示程度。可译为"还没有……到不能做……的程度"，"并不是……不……"，"无论怎样……也不是不能……"等。
He is not so sick but he can come to school.

13． "祈使句+and"和"祈使句+or"结构，"祈使句+and"表示"If…you…"，"祈使名+or"表示"if…not…，you。
Add love to a house and you have a home. Aad righteousness to a city and you have a community. Aad truth to a pile of red brick and you have a school.

14． "名词+and"结构，在这个结构中，名词等于状语从句，或表示条件，或表示时间。
A word, and he would lose his temper.

15． "so…that…"句型，这个句型的意思是"如此……，以致于……"，但在翻译成汉语时，许多情况下，并不是一定要译成"如此……以致于……"，而是变通表达其含义。
He ran so fast that nobody could catch him up.

16．It is no wonder that….

17．The more…. , the more…

 The more books we read, the more learned we become.
　　我们书读得越多，我们越有学问。

18. What’s more/ worse

19. "the way…"结构
I always thought she was a common-sense person who discussed things the way they ought to be discussed.

20. 某些分隔结构
动词短语相关部分被分隔（当"make use of "，"take notice of"，"pay attention to"，等动词短语变成被动语态时）。
Use is made of solar energy in heating houses.

21． "to be doing…when…"是一个句型，多译为"某人正在做……时，突然……"。在简单的句子中容易看出，一旦句子变得复杂一些，可能就不太容易识别这种句型。
    She said she and a friend had gone out to dinner that night, and were walking home together at about 10 o'clock, when a "very big, very tall man", accosted them and demanded their purses.

22. "not…because…"，有时可否定前面，有时可否定because本身，往往出现歧义。应根据上下文面判定。
    In 1600 the earth was not the center of the universe because the majority then supposed it was; nor, because she had more readers, was Ella wheeler Wilcox a better poet than Father Hopkins.

23． "so…that, such…that"是一个普通的句型，但在同一个句子里有两处使用它却比较少见。
   The truth is, that in one point of view, this matter of national literature has come to such a pass with us, that in some sense we must turn bullies, else the day is lost, or superiority so far beyond us, that we can hardly say it will ever be ours.

24． "by doing…"结构。这个结构的意思是"通过（做）……"，但翻译实践中不能拘泥于这种释义，不少情况下需要灵活变通。
   The hippos, by depositing dung in the water, fed the fish that support the storks that destroy the rare trees.

25．"It occurred to sb. that…"意为"突然想到"，"It dawned on sb.that…"."突然想起"等。 从句是想起的内容。
   I remember once being on a bus and looking at a stranger. He suddenly looked back at me-i.e.our eyes met. My instinctive reaction was to avert my gaze. It occurred to me that if I had continued to maintain eye contact, I would have been rude and aggressive.

26． "It follows that…"="It happens as a result…"常常被译为"由此可见"，"因此"，"从前"，"可以推断"等等。
   It follows that the housewife will also expect to be able to have more leisure in her life without lowering her standard of living. It also follows that human domestic servants will have completely ceased to exist.

27．"The chances are that…"是一句型，译为"有可能……"。
  The chances are you will never attempt that speed with poetry or want to race though some passages in fiction over which you wish to linger.

28 修饰成分（包括定语、定语从句、同位语从句等）多而长。
   Across the court from the Manhattan apartment that I have occupied for the past few years is a dog that often hurls insults into the darkness, a few of which my dog refuses to accept and makes a tart reply.

29。As far as I am concerned, this issue is…

30．On no account can we ignore the value of knowledge.
　　我们绝对不能忽视知识的价值。

31.It is time the authorities concerned took proper steps to solve the traffic problems.
　　该是有关当局采取适当的措施来解决交通问题的时候了。

32. There is no doubt that the increase in demand caused the rise in prices.
毫无疑问，需求的增长导致了价格的上涨。