may

may (modal) (AMR annotation guidance)

The modal may is annotated as permit-01 or possible:

Example: The boy may go.
     (p / permit-01
           :ARG1 (g / go-02
                 :ARG0 (b / boy)))

Example: The boy is permitted to go.
     (p / permit-01
           :ARG1 (g / go-02
                 :ARG0 (b / boy)))

Example: It may rain .
(p / possible-01
:ARG1 (r / rain-01))