I went to school and I had to attend special classes to learn English as all the lessons were taught in English.

我去上学，因为所有的课程都是用英语授课，所以我不得不参加特殊课程来学习英语。

youdao

He's trying to learn English fast with evening classes twice a week.

他在努力通过一周上两次夜校来快速学习英语。

《柯林斯英汉双解大词典》

Percovich says the children will be able to attend English and computer classes and learn "life skills" at the 19, 000-square-foot park.

O说到，到时候，孩子们可以在这个19000平方米的公园里参加英语和电脑课程并且可以学习生活技能。

youdao

When Lolo was sent away on compulsory military duty, Dunham went to work for U.S. AID, then developed a curriculum, hired teachers and began classes for businessmen to learn English.

FORBES: Barack Obama: Underachiever in a Kansas Family of Ph.D's