English is important because it is a universal language which enables you to effectively communicate with others.
Roman Holiday
The Big Country
Fistful of Dollars
The Matrix
Star Wars (episode 4)
Captain Blood
To start, I would recommend any Disney/Pixar films. Next, some of my favorite movies that I recommend would be Chernobyl Diaries, Stargate (The original with Kurt Russel and James Spader), How To Train Your Dragon, and The Fast and The Furious series.