"Frequently reading in Engpsh" 可以用 "reading Engpsh regularly" 或 "engaging in regular Engpsh reading" 来表达。来源可能是因为经常性地阅读英语会有助于提高英语水平，所以用 "regular" 来形容。
例句：
I'm trying to improve my Engpsh, so I'm reading Engpsh regularly.
Engaging in regular Engpsh reading is essential for improving your language skills.
中文翻译：
我在努力提高我的英语水平，所以我经常读英语。
经常读英语对于提高语言技能是非常重要的。