1.It + 被动语态 + that…

1)It is widely acknowledged ( recognized ) that extensive deforestation contributed to heavy summer flooding.

　　2)It is reported that 800000 applicants sat for the National Master’s Entrance Test in 2003.

　　3)It is estimated that two thirds of the cities of our countries will be in acute shortage of fresh water by 2010.

　　4)It is generally accepted that to practise euthanasia on a patient who is still alive is inhuman.

　　5)It must be admitted that the price war will disturb the normal order of the market. (admittedly)

　　6)It cannot be denied that the overgrowth of tourism may destroy the ecological balance of some scenic resorts.

　　7)It is known to all that physical exercises can improve and enrich our physical and mental well-being.

　　2.It is + 形容词 + that… (形容词+ly，也可)

　　1)It is obvious ( evident, clear, undeniable, apparent) that the situation is caused directly by excessive commercial fishing.

　　2)It is understandable(inevitable) that people’s attitudes are divergent on this controversial issue.

　　3)It is unimaginable (incredible/unbelievable) that such a boy of 17 should have had three novels published.

　　3.It is + 形容词 + for sb (sth ) to do sth

　　1)It is important (vital) for everyone to participate in physical exercises, for they will do good not only to our body but also to our mind and personality.

　　2)It is currently difficult for a university student to find an ideal job upon his graduation, especially those majoring in fundamental courses such as history and mathematics.

　　3)It is highly necessary for our government to stop the corruption of government officials.

　　4)It is imperative that something urgent be done to combat the widespread use of illegal drugs among teenagers.

　　4.with/as “随着”句型

　　1)With the rapid growth of economy, the living standards of the Chinese people have greatly improved. Many of them can now afford to buy houses and cars.

　　2)With the growing number of college graduates being turned out each year, the situation in the job market is getting tighter and tighter.

　　3)随着中国人民生活水平的提高，越来越多的中国人能够出门旅游了，有的甚至选择去国外旅游。

　　4)As industry and agriculture develops, the problem of water shortage will be the more serious.

　　5)As the reform process of state enterprises speeds up, more and more workers are likely to be laid off, entering the competition in job market.

　　6)随着咱们国家经济的飞速发展，越来越多的人意识到，资源的短缺将对我们国家的未来发展构成严重的威胁。

　　5.There be句型

　　1)In the past ten years there has been a marked decline in the number of young married couples who want to have children.

　　2)Recently, there has been a strong debate on whether human beings should be cloned.

　　3)There are still quite a number of children who cannot afford to go to school because of poverty.

　　4)As the Internet industry develops, there will be more and more people surfing on the web.

　　5)Now there is a growing concern over the heavy burden, both academic and psychological, our children have to bear.

　　6)There is no doubt that space exploration will greatly influence our way of life and way of thinking.

　　7)There is no need for people to worry about the possible effects of donating blood.

　　6.图画主题句型

　　1)The pictures indicate that there has been significant changes in the ways of communication in the last 30 years.

　　2)By showing …, the examiner tries to convey the message that …

　　3)Through the pictures the author tries to warn us of the serious problem of endangered animals.

　　4)The purpose of this picture is to show us that due attention has to be paid to the diminution of ocean resources.

　　5)The cartoon describes a very common phenomenon in our society that….

　　6)The cartoon ridicules/criticizes some producers and companies that often make empty promises in the advertisement of their products.

　　7)The picture reveals a serious problem in public examinations----hiring ringers, those who take tests for others.

　　8)It can be seen in the picture that two cars collided and the two drivers were quarreling with each other.

　　9)As shown/illustrated/can be seen/depicted/described in the picture, a number of TV manufacturers are in fierce price cut competition to enlarge their share of market.

　　10)At the upper part of the picture there are some Chinese characters, which reads “Like a lamp love burns most brightly in the darker places.”

　　7.图表句型

　　1)From the figures given in the graphs, we learn that the average housing space for city residents increased to 10 square meters in 2000.

　　2)As is shown in the table, there exists a big difference between the life expectance in the developed countries and that in the developing countries.

　　3)According to the charts, China’s higher education has been developing rapidly with the growth of the gross domestic product.

　　4)The number of single people establishing their own households reached/hit 14 percent in 2000.

　　5)From the table we can see that within half a year of 1998, a total of 532 people became the victims of traffic accidents, of whom 460 were injured and 72 killed.

　　6)From the graph we can see that there were a total of 142 fire accidents in the city in 1999, most of which were caused by defective electrical appliances, smokers and children playing with fire.

　　7)From the chart we learn that the proportion of part-time education has increased substantially in the last 5 years.

　　8)The curve graph shows that the percentage of family income has declined sharply, accounting for only 13 percent of the total.

　　9)Forest coverage was reduced from 28 percent of total land area in 1954 to 12 percent in 1998.

　　10)There is a sharp increase in the expenses on housing and medical care, increasing by 8% and 6% respectively.

　　11)Asia ranks first both in area and in population among the seven continents. Europe is second to Asia in population, but in area it is the last but one.

　　12)The number of death and injury was more than 3 times greater than that of the July.

　　13)And in August as many as 39 car accidents were reported, indicating an increase of about 79 percent as compared with the number of January.

　　14)The population rose rapidly until it reached 600 000 in 1990. Since 1990 the growth has continued but the population has risen relatively slowly.

　　15)Before 1970 the birth rate remained level. Then in 1970 it fell until it reached 30 per thousand in 1930.

　　16)After a steady decline for a whole decade the country’s fertility rate shows signs of leveling off.

　　8.表示“使…….变得…”的句型

　　make ＋ 宾语 ＋ 形容词

　　make ＋ 形容词 ＋ for sb to do sth

　　1)The widespread introduction of information technology will make our work and life more convenient and more beautiful.

　　2)Most importantly, we should increasingly heighten our environmental awareness and make our world a better place to live in.

　　3)Modern transportation means make it very convenient for people to travel far away from home.

　　4)Advanced medical science has made it possible for human beings to lead a much longer life and suffer less from different kinds of diseases.

　　9.so that 句型

　　1)They are so eager to master new skills so that they can be qualified to the job market.

　　2)There are so many people, bicycles, cars in the streets that you will sometimes feel it difficult to move along.

　　10.非限制性定语从句

　　1)Some people may be addicted to netsurfing, which impairs their physical and mental health.

　　2)Lakes and rivers are becoming seriously polluted, which aggravates (worsens) the shortage of fresh water.

　　3)The increasingly high divorce rate will cause a series of problems, which deserves great public attention.