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