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