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