The last free horror-movies online with subtitle in italian language are BOOK OF BOOK and THE FINAL DESTINATION ( version 2009)
All these two movies ( or film in italian language) can hlp You to understand the italian words better than 100 italian video lessons.
In 'The final destination', there are an easy 'way to speak', also if in 'american slang'. .
In " Book of Blood ", We can help ourselve  by the perfect english language of actorss ( the movie made in Great Britain, of course...)book of blood