写作业的英语文案可以根据不同的场景和需求进行选择。以下是一些常见的表达方式：

一般描述

I need to do my homework.

It's time to do my homework.

I have to finish my homework.

表达准备

Before I start my homework, I need to review the notes from class.

I should read through my textbook and vocabulary list.

描述过程

I usually write my homework at the dining table.

I try to concentrate on one subject at a time when doing my homework.

表达感受

Doing homework can be really challenging.

I feel a bit stressed when I have a lot of homework.

鼓励或建议

You should manage your time well to finish your homework on time.

It's a good idea to break down your homework into smaller tasks.

根据具体的情境和需要，可以选择合适的文案来表达。例如，如果需要描述写作业的过程，可以选择“I usually write my homework at the dining table.”；如果需要表达准备开始写作业，可以选择“Before I start my homework, I need to review the notes from class.”。