1. The structure should be a strong one
    Structure is so important for screenplay. Yours should have one and it should be a strong one.
  2. The plot should be entertaining
    People love to be entertained, so your movie should be able to do that!
  3. Have interesting characters
    Characters are important in a screenplay, because they say and do things. Keep in mind that for a good movie, these characters should be interesting.
  4. Have good, not bad, dialogue
    It's easy to write bad dialogue, but yours should not be bad. When you're writing, think about how the lines your characters are saying should be good!
  5. It should be a good screenplay
    There are lots of bad screenplays out there, so if you want yours to stand out, it should be good. Good luck!