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