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