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