zeroThis plural form is used for numbers like: 0
%{actors} n'a repartagé votre message %{post_link}.
oneThis plural form is used for numbers like: n in 0..1
%{actors} a repartagé votre message %{post_link}.
otherThis plural form is used for numbers like: everything else
%{actors} ont repartagé votre message %{post_link}.