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