提高我的成绩用英语怎么说

"improve my grades" 是表达 "提高我的成绩" 的常用英文表达方式。

"improve" 是动词，意思是 "变得更好"， "my" 是形容词性物主代词，表示 "我的"， "grades" 是名词，表示 "成绩"。

例句：

I need to improve my grades in math. (我需要提高我的数学成绩。)
He is working hard to improve his grades. (他正在努力提高他的成绩。)
The teacher gave us some tips on how to improve our grades. (老师给我们提供了一些提高成绩的建议。)

或者也可以用 raise 来表示提高
例句：

I want to raise my grades.
She is determined to raise her grades.
The student is trying hard to raise his grades in all subjects.