ought to constrict
Regular verb: constrict - constricted- constricted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to constrict
you ought to constrict
he ought to constrict
we ought to constrict
you ought to constrict
they ought to constrict 	I ought to be constricting
you ought to be constricting
he ought to be constricting
we ought to be constricting
you ought to be constricting
they ought to be constricting	I ought to have constricted
you ought to have constricted
he ought to have constricted
we ought to have constricted
you ought to have constricted
they ought to have constricted	I ought to have been constricting
you ought to have been constricting
he ought to have been constricting
we ought to have been constricting
you ought to have been constricting
they ought to have been constricting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to constrict
you oughtn't to constrict
he oughtn't to constrict
we oughtn't to constrict
you oughtn't to constrict
they oughtn't to constrict 	I oughtn't to be constricting
you oughtn't to be constricting
he oughtn't to be constricting
we oughtn't to be constricting
you oughtn't to be constricting
they oughtn't to be constricting	I oughtn't to have constricted
you oughtn't to have constricted
he oughtn't to have constricted
we oughtn't to have constricted
you oughtn't to have constricted
they oughtn't to have constricted	I oughtn't to have been constricting
you oughtn't to have been constricting
he oughtn't to have been constricting
we oughtn't to have been constricting
you oughtn't to have been constricting
they oughtn't to have been constricting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I constrict?
ought to you constrict?
ought to he constrict?
ought to we constrict?
ought to you constrict?
ought to they constrict? 	ought to I be constricting?
ought to you be constricting?
ought to he be constricting?
ought to we be constricting?
ought to you be constricting?
ought to they be constricting? 	ought to I have constricted?
ought to you have constricted?
ought to he have constricted?
ought to we have constricted?
ought to you have constricted?
ought to they have constricted? 	ought to I have been constricting?
ought to you have been constricting?
ought to he have been constricting?
ought to we have been constricting?
ought to you have been constricting?
ought to they have been constricting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to constrict?
oughtn't you to constrict?
oughtn't he to constrict?
oughtn't we to constrict?
oughtn't you to constrict?
oughtn't they to constrict? 	oughtn't I to be constricting?
oughtn't you to be constricting?
oughtn't he to be constricting?
oughtn't we to be constricting?
oughtn't you to be constricting?
oughtn't they to be constricting? 	oughtn't I to have constricted?
oughtn't you to have constricted?
oughtn't he to have constricted?
oughtn't we to have constricted?
oughtn't you to have constricted?
oughtn't they to have constricted? 	oughtn't I to have been constricting?
oughtn't you to have been constricting?
oughtn't he to have been constricting?
oughtn't we to have been constricting?
oughtn't you to have been constricting?
oughtn't they to have been constricting?