być może

maybe, perhaps

że

• Conj

  introduces a subordinate clause; that

• Particle

nie

• Particle

  negation particle; no, not

• Verb
• Pron

długo

1. long (for a lengthy duration)
2. far, a long way (over a great distance in space)

być

1. to be indicates sameness or membership in a class [+nominative or instrumental]
2. to be auxilary verb used for predication [+adjective]
3. in future tense, forms future tense of imperfective verbs [+infinitive or verb in past tense]
4. in past tense, forms pluperfect tense [+verb in past tense]
5. to be indicates location, there be

może

• Particle

  maybe, perhaps

• Verb