grammatical process

例句：

1. 1. Grammatical errors are common in English writing.
   英语写作中常见的语法错误。
2. 2. The teacher corrected the student's grammar mistakes during the lesson.
   老师在课上纠正了学生的语法错误。
3. 3.She studied the rules of grammar to improve her writing skills.
   她学习语法规则以提高她的写作技能。