写作核心问题分类解析
在托福考试写作部分，语法准确性直接影响分数评定。以下分类整理近年考生高频错误类型，配以典型实例解析：
| 错误类型 | 错误示例 | 修正方案 |
|---|---|---|
| 主谓不一致 | When one have money, he can do what he want to. | When one has money, he can do what he wants to. |
| 修饰语错位 | I will better know the world outside the campus. | I will know the world outside the campus better. |
典型错误深度剖析
主谓一致性原则
在复合主语结构中，考生常出现动词形式错误。观察以下实例：
原句：The teacher together with her students are going to the museum.
修正：The teacher together with her students is going to the museum.
修饰语定位准则
状语修饰位置影响语义表达，比较以下两种表述：
原句：Nearly everyone passed the test which was surprising.
修正：Everyone nearly passed the test, which was surprising.
句子完整性检测方法
通过三要素检验法判断句子完整性：
- 是否包含独立主谓结构
- 从句是否有引导词
- 非谓语结构是否误用为独立句子
典型错误修正实例：
原句：There being no buses available. We decided to walk.
修正：There being no buses available, we decided to walk.
悬垂修饰语识别技巧
通过三步骤验证修饰关系：
- 定位修饰短语起始点
- 确认被修饰对象在句中的位置
- 验证逻辑主语是否明确
原句：Walking through the park, the trees looked beautiful.
修正：Walking through the park, I thought the trees looked beautiful.
