英语四级万能作文通常包含一些常用的开头和结尾句型，以及一些支持观点的句式。以下是一些常用的万能作文模板和句型：
开头句型：
引入话题
It is well-known to us that...（我们都知道……）
As far as my knowledge is concerned, ...（据我所知……）
Recently, the problem of... has become a hot topic.（最近，……问题已经成为热门话题。）
提出问题
What calls for special attention is that...（值得特别注意的是……）
There’s no denying the fact that...（不可否认的事实是……）
What’s far more important is that...（更重要的是……）
结尾句型：
总结结论
From what has been discussed above, we can draw the conclusion that...（从上面讨论的内容来看，我们可以得出结论……）
In conclusion, it is imperative that...（总之，迫切需要……）
In summary, if we continue to ignore the...（如果我们继续忽视……）
提出建议
For these reasons, I recommend that...（鉴于这些原因，我建议……）
Personally, I believe that...（我个人认为……）
Consequently, I’m confident that a bright future is awaiting us because...（因此，我有信心一个光明的未来正等待着我们，因为……）
支持观点的句式：
解释原因
The following reasons can account for my倾向.（以下原因可以解释我的倾向。）
For the same reason, it matters to me that...（同样原因，我很在乎……）
To make myself as plain as I can, I should give my standards for...（为使我的观点更加清楚，我将给出我关于……的标准。）
表达观点
I disbelieve, and therefore strongly resent, the claim that...（我不相信，因此强烈反对，这一主张，即……）
My final and perhaps my best reason for not doing something is...（我不做某事最终的，或许最好的理由是……）
例子：
开头：
Recently, the problem of environmental pollution has become a hot topic. It is well-known to us that environmental pollution poses serious threats to our health and the natural world.
中间：
The following reasons can account for my concern. First, the excessive use of chemical fertilizers and pesticides has led to soil and water pollution. Secondly, the rapid industrialization has resulted in increased air pollution, which affects our daily life.
结尾：
In conclusion, it is imperative that we take immediate measures to address environmental pollution. For these reasons, I recommend that the government and individuals work together to promote sustainable practices and reduce our carbon footprint. Personally, I believe that a clean environment is essential for the well-being of future generations, and we must act now to ensure a better world for all.
希望这些模板和句型能帮助你在英语四级作文中取得更好的成绩。