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