Bonjour,
Réponse :
La probabilité
MUST > MAY > MIGHT
Perhaps the killer knows the victim ( probabilité faible).
→ The killer may know the victim.
There is a small chance that the killer is still in town ( probabilité très faible ).
→ The killer might still be in town.
Everybody thinks Lady Smythe is the killer ( probabilité très forte )
→ Lady Smythe must be the killer.
I’m not sure that the inspector will come (probabilité faible )
→ The inspector may come.