English verb conjugation
MIGHT UNDERSIGN

Regular verb: undersign - undersigned - undersigned

Affirmation

Simple form	V-ing form
I might undersign you might undersign he might undersign we might undersign you might undersign they might undersign	I might be undersigning you might be undersigning he might be undersigning we might be undersigning you might be undersigning they might be undersigning
Perfect	V-ing perfect
I might have undersigned you might have undersigned he might have undersigned we might have undersigned you might have undersigned they might have undersigned	I might have been undersigning you might have been undersigning he might have been undersigning we might have been undersigning you might have been undersigning they might have been undersigning

Negation

Simple form	V-ing form
I mightn't undersign you mightn't undersign he mightn't undersign we mightn't undersign you mightn't undersign they mightn't undersign	I mightn't be undersigning you mightn't be undersigning he mightn't be undersigning we mightn't be undersigning you mightn't be undersigning they mightn't be undersigning
Perfect	V-ing perfect
I mightn't have undersigned you mightn't have undersigned he mightn't have undersigned we mightn't have undersigned you mightn't have undersigned they mightn't have undersigned	I mightn't have been undersigning you mightn't have been undersigning he mightn't have been undersigning we mightn't have been undersigning you mightn't have been undersigning they mightn't have been undersigning

Interrogative form

Simple form	V-ing form
might I undersign? might you undersign? might he undersign? might we undersign? might you undersign? might they undersign?	might I be undersigning? might you be undersigning? might he be undersigning? might we be undersigning? might you be undersigning? might they be undersigning?
Perfect	V-ing perfect
might I have undersigned? might you have undersigned? might he have undersigned? might we have undersigned? might you have undersigned? might they have undersigned?	might I have been undersigning? might you have been undersigning? might he have been undersigning? might we have been undersigning? might you have been undersigning? might they have been undersigning?

Interro-negative form

Simple form	V-ing form
mightn't I undersign? mightn't you undersign? mightn't he undersign? mightn't we undersign? mightn't you undersign? mightn't they undersign?	mightn't I be undersigning? mightn't you be undersigning? mightn't he be undersigning? mightn't we be undersigning? mightn't you be undersigning? mightn't they be undersigning?
Perfect	V-ing perfect
mightn't I have undersigned? mightn't you have undersigned? mightn't he have undersigned? mightn't we have undersigned? mightn't you have undersigned? mightn't they have undersigned?	mightn't I have been undersigning? mightn't you have been undersigning? mightn't he have been undersigning? mightn't we have been undersigning? mightn't you have been undersigning? mightn't they have been undersigning?