Bonsoir
MAY n'a pas de past tense.
Il faut donc utiliser un équivalent qui est " be allowed to"
MIGHT est juste une forme plus polie.
MUST au passé = to have to
a- He wasn't allowed to vote.
b- He was allowed to live in a white area.
c- He had to have a passport.
d- He didn't have to marry a white woman.
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Bonne fin de soirée
