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