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