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