ought to couple
Regular verb: couple - coupled- coupled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to couple
you ought to couple
he ought to couple
we ought to couple
you ought to couple
they ought to couple 	I ought to be coupling
you ought to be coupling
he ought to be coupling
we ought to be coupling
you ought to be coupling
they ought to be coupling	I ought to have coupled
you ought to have coupled
he ought to have coupled
we ought to have coupled
you ought to have coupled
they ought to have coupled	I ought to have been coupling
you ought to have been coupling
he ought to have been coupling
we ought to have been coupling
you ought to have been coupling
they ought to have been coupling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to couple
you oughtn't to couple
he oughtn't to couple
we oughtn't to couple
you oughtn't to couple
they oughtn't to couple 	I oughtn't to be coupling
you oughtn't to be coupling
he oughtn't to be coupling
we oughtn't to be coupling
you oughtn't to be coupling
they oughtn't to be coupling	I oughtn't to have coupled
you oughtn't to have coupled
he oughtn't to have coupled
we oughtn't to have coupled
you oughtn't to have coupled
they oughtn't to have coupled	I oughtn't to have been coupling
you oughtn't to have been coupling
he oughtn't to have been coupling
we oughtn't to have been coupling
you oughtn't to have been coupling
they oughtn't to have been coupling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I couple?
ought to you couple?
ought to he couple?
ought to we couple?
ought to you couple?
ought to they couple? 	ought to I be coupling?
ought to you be coupling?
ought to he be coupling?
ought to we be coupling?
ought to you be coupling?
ought to they be coupling? 	ought to I have coupled?
ought to you have coupled?
ought to he have coupled?
ought to we have coupled?
ought to you have coupled?
ought to they have coupled? 	ought to I have been coupling?
ought to you have been coupling?
ought to he have been coupling?
ought to we have been coupling?
ought to you have been coupling?
ought to they have been coupling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to couple?
oughtn't you to couple?
oughtn't he to couple?
oughtn't we to couple?
oughtn't you to couple?
oughtn't they to couple? 	oughtn't I to be coupling?
oughtn't you to be coupling?
oughtn't he to be coupling?
oughtn't we to be coupling?
oughtn't you to be coupling?
oughtn't they to be coupling? 	oughtn't I to have coupled?
oughtn't you to have coupled?
oughtn't he to have coupled?
oughtn't we to have coupled?
oughtn't you to have coupled?
oughtn't they to have coupled? 	oughtn't I to have been coupling?
oughtn't you to have been coupling?
oughtn't he to have been coupling?
oughtn't we to have been coupling?
oughtn't you to have been coupling?
oughtn't they to have been coupling?