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