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