English verb conjugation
MIGHT SIGN

Regular verb: sign - signed - signed

Affirmation

Simple form	V-ing form
I might sign you might sign he might sign we might sign you might sign they might sign	I might be signing you might be signing he might be signing we might be signing you might be signing they might be signing
Perfect	V-ing perfect
I might have signed you might have signed he might have signed we might have signed you might have signed they might have signed	I might have been signing you might have been signing he might have been signing we might have been signing you might have been signing they might have been signing

Negation

Simple form	V-ing form
I mightn't sign you mightn't sign he mightn't sign we mightn't sign you mightn't sign they mightn't sign	I mightn't be signing you mightn't be signing he mightn't be signing we mightn't be signing you mightn't be signing they mightn't be signing
Perfect	V-ing perfect
I mightn't have signed you mightn't have signed he mightn't have signed we mightn't have signed you mightn't have signed they mightn't have signed	I mightn't have been signing you mightn't have been signing he mightn't have been signing we mightn't have been signing you mightn't have been signing they mightn't have been signing

Interrogative form

Simple form	V-ing form
might I sign? might you sign? might he sign? might we sign? might you sign? might they sign?	might I be signing? might you be signing? might he be signing? might we be signing? might you be signing? might they be signing?
Perfect	V-ing perfect
might I have signed? might you have signed? might he have signed? might we have signed? might you have signed? might they have signed?	might I have been signing? might you have been signing? might he have been signing? might we have been signing? might you have been signing? might they have been signing?

Interro-negative form

Simple form	V-ing form
mightn't I sign? mightn't you sign? mightn't he sign? mightn't we sign? mightn't you sign? mightn't they sign?	mightn't I be signing? mightn't you be signing? mightn't he be signing? mightn't we be signing? mightn't you be signing? mightn't they be signing?
Perfect	V-ing perfect
mightn't I have signed? mightn't you have signed? mightn't he have signed? mightn't we have signed? mightn't you have signed? mightn't they have signed?	mightn't I have been signing? mightn't you have been signing? mightn't he have been signing? mightn't we have been signing? mightn't you have been signing? mightn't they have been signing?