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