语法知识点贯穿英语各类题型，所以语法基础要打好，重点语法要熟练掌握。新东方在线总结写作部分常见语法错误，大家要注意：
2020考研英语写作常见语法错误：主谓及其他成分不一致
主语和谓语、名词和代词、以及人称是否保持一致。
例 4：
a) The eating habit of Chinese people have changed in the past decade.
b) The eating habit of Chinese people has changed in the past decade.
注意：不管主语和谓语隔开多远，主语当中还有修饰成分，谓语要和真正的主语在数上保持一致。
例 5：
a) Now fruits and vegetables can be seen everywhere when it is in season.
b) Now fruits and vegetables can be seen everywhere when they are in season.
例 6：
a) I feel proud to come to our university.
b) I feel proud to come to this university.
注意：our和主语 I不一致，或把 our改成 my，或改成 this。而这里用 this 较妥。