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