en	did not invite anyone to her party.
fr	n'a invité personne à sa fête.

en	invited one guest to her party.
fr	a invité un convive à sa fête.

en	invited guests to her party.
fr	a invité convives à sa fête.

en	did not invite anyone to his party.
fr	n'a invité personne à sa fête.

en	invited one guest to his party.
fr	a invité un convive à sa fête.

en	invited guests to his party.
fr	a invité convives à sa fête.

en	did not invite anyone to their party.
fr	n'a invité personne à leur fête.

en	invited one guest to their party.
fr	a invité un convive à leur fête.

en	invited guests to their party.
fr	a invité convives à leur fête.