各类功能句常规写法
1 说明原因段
1）引出原因
①There are many factors explaining/accounting for/contributing to this phenomenon.（First of all/Above all，…Moreover，…Besides…）
许多因素导致了这一现象。（首先，……其次，……另外，……）
②There are several reasons which may account for my preference of the program.
以下一些原因可以解释我对这一课程的偏好。
③There are a large number of reasons for this social phenomenon，but in general，they come down to three major ones.（Firstly，…Secondly，…Finally，…）
导致这种现象的原因有很多，但总体来说，主要有三点。（首先，……其次，……最后，……）
④There are mainly two reasons behind this phenomenon.（First，…Second，…）
在这一现象背后主要有两点原因。（首先，……其次，……）
⑤There are mainly three different reasons for college students to take a work-study program.
大学生参加勤工俭学主要有三个方面的原因。
⑥There are many factors deciding/influencing my choosing future job.
有许多因素决定/影响我对将来工作的选择。
⑦The reasons for this phenomenon mainly lie in the following two aspects.
产生这一现象的原因主要有以下两个方面。
⑧The reasons for education to enter the market are obvious.
教育走向市场化的原因是显而易见的。
⑨This extravagant spending is mainly caused by/due to the following reasons/factors.
这种过度消费主要是由以下因素/原因引起的。
⑩The following reasons are responsible for the boom in continuing education.
下列原因导致了继续教育的热潮。
（11）The following three factors contribute to the conflict.
以下三点因素导致了这个冲突。
（12）The following reasons can account for the popularity of green food.
下列原因能够解释绿色食品流行的原因。
（13）Why does“blog”become so popular in such a short time？
为什么“博客”在这么短的时间内会如此流行呢？
（14）But what lead to the conflict between parental hopes and personal ideals？
但是，是什么导致了父母的期望和孩子的理想之间的冲突呢？
2）列举原因
①One of the main reasons for this change is that the living standard of Chinese people has been improved greatly.
产生这个变化的一个主要原因是中国人的生活水平得到了很大改善。
②Among these reasons，the enrollment expansion of universities plays a very vital role.
在所有的原因中，大学扩招是很重要的因素。
③First，the interest plays an important role in one student’s choosing an elective class./The interest is an important factor which influences/decides one student’s choosing an elective class.
首先，兴趣在学生选择选修课时起到至关重要的作用。/兴趣是影响/决定一个学生选择一门选修课的重要因素。
④The weak supervision and management of traffic control sectors is（also）a noticeable reason.
交管部门的监管不力（也）是一个值得关注的原因。
⑤Poor parents in rural areas cannot afford the high education for children，which becomes a main reason for their children’s getting poor in the future.
在农村，贫穷的父母没有钱让他们的孩子接受高等教育，这是日后这些孩子变穷的主要原因。
⑥More and more vehicles on road increase the chances of accidents.
汽车数量的增多增加了发生交通事故的几率。
⑦The high social position of civil servants is an important factor drawing many people to choose it.
公务员有较高的社会地位，这是吸引人们选择它作为职业的一个重要因素。
⑧More and more people become aware that those disasters have much to do with what we have done to the earth.
越来越多的人开始意识到，这些灾难的发生和我们人类对地球的所作所为有很大的关系。
⑨Secondhand goods transactions make it possible for people to make good use of the goods which may be useless in their hands.
二手货交易使人们可以充分利用手里那些闲置的东西。
⑩A part-time job can help release financial burdens on those poor students，and hence reduce the risk of their dropping school for lacking money.
兼职工作可以缓解贫困学生的经济负担，继而减少了他们因为缺钱而辍学的危险性。
（11）This results in/leads to/produces a decreased chance for any individual graduate to find a job.
这使得大学毕业生找到工作的机会减少了。
（12）Some teachers’classes could not attract students’interests so that some students would rather skip classes to study what they are interested in.
一些教师的课不能引起学生的兴趣，以至于一些学生宁愿选择逃课去学习他们感兴趣的东西。
（13）Nowadays college students get so much love that they are insensitive to others’care and help.
现在的大学生受到了太多的关爱，他们已经对其他人的关心和帮助变得麻木不仁了。
（14）Because of/Due to/Thanks to the poor Internet administration and weak network security，our information might be open，stolen or sold.
由于网络管理的欠缺和网络安全的薄弱，我们的信息可能被公开、偷窃或出售。
2 说明方法段
1）引出方法
①But/Then how to build an ideal teacher-student relationship？
但是/那么，如何才能建立一种理想的师生关系呢？
②However，how should a college freshman adapt himself to these differences？
然而，大学新生应该怎样适应这些不同呢？
③The following measures can be taken to reduce campus waste.
下列措施可以用来减少校园浪费。(https://www.daowen.com)
④Therefore，it’s high time for us to take/that we took effective measures to fight against cyber crimes.
因此，该是我们采取有效措施来抵制网络犯罪的时候了。
⑤Obviously，it is necessary to take some effective measures to reduce this phenomenon.
显然，有必要采取有效的措施来减少这种现象。
⑥In order to solve the conflict，both parents and children should pay their efforts.
为了解决这一冲突，父母和孩子双方都要付出努力。
⑦Considering the seriousness of the problem，it is necessary for college studentsto learn how to keep psychologically healthy.
考虑到问题的严重性，了解如何保持心理健康对于大学生来说是十分必要的。
⑧Considering the seriousness of the problem，effective measures should be taken to protect us against noise.
考虑到问题的严重性，应该采取有效措施来保护我们免受噪声的干扰。
⑨Considering the above factors/the above-mentioned，we should/must be careful in selecting and using references books.
考虑到以上因素/综上所述，我们应该/必须谨慎地选用参考书。
⑩Considering the bad effects of depression，it must be taken more seriously.
考虑到抑郁症的负面影响，我们必须更加重视它。
（11）Taking the above-mentioned into consideration，I think，it is high time that we took effective measures to improve public morals.
考虑到以上因素/综上所述，我认为，是时候采取有效措施提高公共道德了。
2）列举方法
①First of all，the teacher and the student should respect each other，which is the precondition of good relationship.
首先，老师和学生应该互相尊重，这是建立良好关系的前提。
②Second，attending collective activities is an effective way to relieve pressure.
第二，参加集体活动是缓解压力的一个有效方法。
③To communicate with each other actively is necessary to their understanding each other.
积极地与对方沟通，这对于彼此间的相互了解是必需的。
④Third，you should learn to relax yourself by taking exercise or other recreational activities.
第三，你应该学会通过体育锻炼和其他娱乐活动放松自己。
⑤We should learn to be tolerant and consider more for others，which is necessary for group living.
我们应该学会容忍和多为他人考虑，这对于集体生活来说是必需的。
⑥In addition，we can turn to the recommendation of teachers and students around us.
此外，我们可以让老师和同学帮忙推荐。
⑦Second，society and schools must increase input in moral education and try to build the atmosphere of being grateful.
第二，社会和学校必须增加对道德教育的投入，并努力营造一个感恩的氛围。
⑧Whatever your ideal is，careful plan and preparation is vital to realizing it.
无论你的理想是什么，要想实现它，仔细的规划和准备都是至关重要的。
⑨An optimistic，positive mind is indispensable in the process of your pursuing your ideal.
乐观、积极的心态在你追求理想的过程中是不可或缺的。
⑩To those patients with depression，first of all，it is important to accept treatment timely instead of covering or ignoring the disease.
对于抑郁症患者，首要的是要及时接受治疗，而不能掩盖或忽视它。
（11）Actually，the best treatment is a combination of medication and psychological help.
实际上，最好的方法是将医学治疗和心理辅导相结合。
（12）Secondly，more advanced technology should be developed to reduce industrial noise and traffic noise.
第二，应该开发更多先进的技术以减少工业和交通噪声。
（13）Besides，more talented people should be trained and more effective firewalls should be built up so as to make the Net immune to all kinds of viruses.
此外，应该培养更多优秀的人才并建立更有效的防护墙，以便使网络不受各种病毒的侵害。
（14）To reverse the trend is not a light task，and it requires the common efforts of all citizens.
要扭转这一趋势并不容易，它需要所有公民的共同努力。
（15）We must look for all immediate methods，because the present situation，if permitted to continue，will sure lead to serious results.
我们必须立刻寻找解决办法，因为现在的形势如果持续下去的话势必会导致严重的后果。
（16）There is no immediate solution to the problem of energy shortage，but our small economical behaviors in daily life might be quite helpful/beneficial.
能源短缺问题并没有立竿见影的解决办法，但是在我们日常生活中很小的节约行为可能会对解决这个问题带来很大的帮助。
（17）No easy method can solve the problem of pollution in a short time，but the general awareness of the necessity/importance of environmental protection might be the first step on the right way.
目前还没有简单的办法能够在短期内解决污染问题，但是，使人们普遍认识到保护环境的必要性/重要性或许是有效的第一步。
3）总结方法
①Only in this way can we make full use of reference books.
只有这样，我们才能充分地利用参考书。
②Only through these methods/measures could noise problem be solved funda- mentally.
只有通过这些方法/措施，噪声问题才能够从根本上得到解决。
③Only in this way can people reduce the chance of suffering from depression.
只有这样，人们才能够减少患上抑郁症的机会。
④Only when campus newspapers are allowed to voice the feelings and ideas of students，can they become more popular among students.
只有当校报能够反映学生的感情和想法时，它才能够更受学生的欢迎。
⑤As long as both parents and children learn to think from the other side’s point of view，the conflicts between them can be avoided.
只有父母和孩子都能够从对方的角度考虑时，他们之间的冲突才能够避免。
⑥In a word，the improvement of public morals depends on all of us in this society.
总之，公共道德的提高要靠我们所有人。
⑦In a word，it takes our common efforts to defeat cyber crimes.
总之，战胜网络犯罪需要我们共同的努力。
⑧In a word，only if you have an ideal，you can have the chance of realizing it.
总之，只要有理想，你就一定有机会实现它。