原因分析是历年英语四级作文考试中的重要内容之一，无论是图表题目还是文字题目，都会或多或少地涉及到对某一现象或者问题的原因进行分析，这也是告诉考生在日常的备考过程中要注意对原因分析类作文题目的练习力度要加大，多进行总结和分析，从中积累经验。下面我们就从历年的英语四级考试作文题目中对原因分析类题目的写作模板进行总结，供同学们参考和引用。
　　(1)模版1
　　_________ is currently becoming a serve problem in China, which happen to ________. So long as ________, ___________ will always unsurprisingly ________.
　　Why does ________ become so rampant? First and foremost,__________. Secondly,_________. Last but not least, ________. As a consequence,___________.
　　(2)模版2
　　During the last decade, there has been a steady rise in the number of _________. In detail,________.
　　Three reasons, in my mind, account for this social phenomenon. First and foremost,__________. Moreover,_________. In addition,___________. As a result,__________.
　　Personally, I firmly believe that the problem derives from __________. Thus, if the government make relevant policies and take relevant measure to __________, the problem can be readily solved in __________.
　　(3)模版3
　　Nowadays,_________ is/are doing great harm to ___________.
　　What are the incentives that drive people to _________? The most important factors should be __________. Furthermore,________. It directly leads to the patent and salient harmfulness that ________.
　　Consequently, it is high time that the whole society should contribute to the collective efforts to put an end to ________.