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