英语作文是英语学习中的重要组成部分，也是考试中的重要内容。要写出一篇优秀的英语作文，除了要掌握一定的语法知识和词汇外，还要掌握一些常用的句子。
首先，要掌握一些开头句，如：Nowadays, It is commonly acknowledged that, With the development of science and technology, It is no doubt that, It is self-evident that, It goes without saying that等。
其次，要掌握一些衔接句，如：What's more, In addition, Besides, Moreover, Furthermore, Apart from, On the other hand, In contrast, On the contrary, In spite of, Despite等。
再次，要掌握一些结尾句，如：In a word, In conclusion, To sum up, All in all, In brief, To conclude, In summary, All things considered, Taking everything into account等。
此外，还要掌握一些表达观点的句子，如：I firmly believe that, I am convinced that, I am of the opinion that, I am inclined to think that, I am in favor of the idea that, I am in support of the view that等。
最后，要掌握一些表达建议的句子，如：I suggest that, I propose that, I recommend that, I advise that, I advocate that, I urge that等。
总之，掌握一些常用的句子对于写出一篇优秀的英语作文至关重要，只有掌握了这些句子，才能够更好地表达自己的思想，写出一篇优秀的英语作文。
