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