don't I benefice? don't you benefice? doesn't he benefice? don't we benefice? don't you benefice? don't they benefice?
Present continuous
am I not beneficing? aren't you beneficing? isn't he beneficing? aren't we beneficing? aren't you beneficing? aren't they beneficing?
Preterite
didn't I benefice? didn't you benefice? didn't he benefice? didn't we benefice? didn't you benefice? didn't they benefice?
Preterite continuous
wasn't I beneficing? weren't you beneficing? wasn't he beneficing? weren't we beneficing? weren't you beneficing? weren't they beneficing?
Present perfect
haven't I beneficed? haven't you beneficed? hasn't he beneficed? haven't we beneficed? haven't you beneficed? haven't they beneficed?
Present perfect continuous
haven't I been beneficing? haven't you been beneficing? hasn't he been beneficing? haven't we been beneficing? haven't you been beneficing? haven't they been beneficing?
Pluperfect
hadn't I beneficed? hadn't you beneficed? hadn't he beneficed? hadn't we beneficed? hadn't you beneficed? hadn't they beneficed?
Pluperfect continuous
hadn't I been beneficing? hadn't you been beneficing? hadn't he been beneficing? hadn't we been beneficing? hadn't you been beneficing? hadn't they been beneficing?
Future
won't I benefice? won't you benefice? won't he benefice? won't we benefice? won't you benefice? won't they benefice?
Future continuous
won't I be beneficing? won't you be beneficing? won't he be beneficing? won't we be beneficing? won't you be beneficing? won't they be beneficing?
Future perfect
won't I have beneficed? won't you have beneficed? won't he have beneficed? won't we have beneficed? won't you have beneficed? won't they have beneficed?
Future perfect continuous
won't I have been beneficing? won't you have been beneficing? won't he have been beneficing? won't we have been beneficing? won't you have been beneficing? won't they have been beneficing?
Conditional
Present
wouldn't I benefice? wouldn't you benefice? wouldn't he benefice? wouldn't we benefice? wouldn't you benefice? wouldn't they benefice?
Present continuous
wouldn't I be beneficing? wouldn't you be beneficing? wouldn't he be beneficing? wouldn't we be beneficing? wouldn't you be beneficing? wouldn't they be beneficing?
Past
wouldn't I have beneficed? wouldn't you have beneficed? wouldn't he have beneficed? wouldn't we have beneficed? wouldn't you have beneficed? wouldn't they have beneficed?
Past continuous
wouldn't I have been beneficing? wouldn't you have been beneficing? wouldn't he have been beneficing? wouldn't we have been beneficing? wouldn't you have been beneficing? wouldn't they have been beneficing?