上课用英文怎么说说

"Going to class" 或 "Attending class" 都是表示上课的常用说法。这些表达法都是从英语学习和教育环境中发展起来的。

例句：

I have to go to class now. (我现在要上课了。)
Are you attending class today? (你今天要去上课吗？)