"He frequently goes to watch movies" 可以用来描述他经常去看电影。
其中 "frequently" 意思是 "经常"。 "goes to" 是 "去" 的意思， "watch" 是 "看" 的意思， "movies" 是 "电影" 的意思。
例句:
He frequently goes to watch movies on the weekends. (他周末经常去看电影)
He has a weekly routine of frequently going to watch movies. (他有每周经常去看电影的惯例)
He frequently goes to watch Engpsh-language movies to improve his language skills. (他经常去看英语电影来提高他的语言技能)