【4级作文常用句型】在大学英语四级（CET-4）写作考试中，掌握一些常用的句型不仅能够提升写作的流畅度，还能增强文章的逻辑性和表达力。以下是一些适用于四级作文的常用句型，帮助考生在短时间内写出结构清晰、内容充实的文章。
一、
四级作文通常包括议论文、说明文和应用文等类型。无论哪种文体，合理的句型使用都能让文章更具说服力和条理性。常见的句型包括：
- 开头引入观点：用于引出主题或表明立场。
- 展开论述：用于支持论点或举例说明。
- 对比与转折：用于表达不同观点或强调重点。
- 结论总结：用于归纳全文或提出建议。
这些句型不仅可以提高写作效率，还能有效避免重复用词，使文章更加自然、地道。
二、常用句型表格
| 类型 | 常用句型 | 示例 |
| 开头引入观点 | In my opinion, ... | In my opinion, it is essential to protect the environment. |
| It is widely believed that ... | It is widely believed that education plays a key role in personal development. | |
| With the development of ..., ... | With the development of technology, people's lives have become more convenient. | |
| 展开论述 | First of all, ... | First of all, we should understand the importance of time management. |
| For example, ... | For example, many students spend too much time on social media. | |
| One reason is that ... | One reason is that students often lack self-discipline. | |
| Another important factor is ... | Another important factor is the pressure from exams. | |
| 对比与转折 | On the one hand, ... on the other hand, ... | On the one hand, online learning offers flexibility; on the other hand, it may lead to distractions. |
| Although ..., ... | Although some people think it is difficult, I believe it is manageable. | |
| However, ... | However, this approach may not be suitable for everyone. | |
| 结论总结 | In conclusion, ... | In conclusion, we should take action to solve this problem. |
| To sum up, ... | To sum up, the benefits of this approach outweigh the disadvantages. | |
| It is high time that ... | It is high time that we pay more attention to this issue. |
通过熟练掌握这些句型，考生可以在四级作文中更自信地表达自己的观点，并提高文章的整体质量。同时，建议在平时多加练习，将这些句型灵活运用到实际写作中，从而提升写作水平。