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