Subjunctive: Conclusion
The subjunctive appears to be in essence a future marker. Its core meanings are those of prediction and intent: epistemic and deontic meanings.
 
Epistemic readings are more commonly found in the third person, while deontic meanings are more commonly found in the first person. The meanings are therefore not sharply distinguishable.
 
From these core meanings, two performative meanings develop: hortative from the first person, and negative directive from the second and third person.
   

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