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