在大学英语四级考试中，使用一些高级句型和表达可以显著提升写作分数。以下是一些“四级加分句子”总结：
| 句型结构 | 示例句子 | 用法说明 |
| It is + adj. + that... | It is important that we should protect the environment. | 表达观点或重要性 |
| Not only... but also... | Not only did he pass the exam, but also he got a scholarship. | 强调两个并列事实 |
| The reason why... is that... | The reason why she failed is that she didn’t study hard. | 解释原因 |
| It is said that... | It is said that the new policy will be introduced next month. | 引用传闻或信息 |
合理运用这些句型，可以让作文更具逻辑性和表现力，帮助考生获得更高分数。
