ought to undersign
Regular verb: undersign - undersigned- undersigned

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

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

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

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