Unless you are some sort of a linguistic genius, it will be impossible to perfect your english by watching an english movie only 4 times!
Indeed.
Use Duolingo or some app like that to learn basics.
Watch movies with closed captions for deaf people to match the writings and the sounds of English in your head.
Read books. English books.
After 5 years of English class in school (3 hours per week plus homework and exams) and actually reading English novels/literature my understanding of English began to substantiate. After 6 years it became good. 20 years later I still write , read, listen and talk a lot of English. Still my English isn't perfect.
A book like Animal Farm is a classic AND a rather thin book.
Lord of the Rings is a classic, but over a 1000 pages AND it uses some old school English phrases like 'Lo, yonder' and such, which are barely used anymore. But for syntax it is great.
Books like The Dogd of War, The Third Man, Day of the Jackal have been made into movies, but the books are very very detailed and great to read.
Just watching movies is a bit like reading the manual of fitness equipment: you think you know it, but you are not really putting the work in it.
Just listening won't cut it.
Listen, read, write, talk. Or at least listen, read, write and repeat.
