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 ought not to couple
you ought not to couple
he ought not to couple
we ought not to couple
you ought not to couple
they ought not to couple 	I ought not to coupling
you ought not to coupling
he ought not to coupling
we ought not to coupling
you ought not to coupling
they ought not to coupling	I ought not to have coupled
you ought not to have coupled
he ought not to have coupled
we ought not to have coupled
you ought not to have coupled
they ought not to have coupled	I ought not to have been coupling
you ought not to have been coupling
he ought not to have been coupling
we ought not to have been coupling
you ought not to have been coupling
they ought not 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 	
ought I not to couple?
ought you not to couple?
ought he not to couple?
ought we not to couple?
ought you not to couple?
ought they not to couple? 	ought I not to be coupling?
ought you not to be coupling?
ought he not to be coupling?
ought we not to be coupling?
ought you not to be coupling?
ought they not to be coupling? 	ought I not to have coupled?
ought you not to have coupled?
ought he not to have coupled?
ought we not to have coupled?
ought you not to have coupled?
ought they not to have coupled? 	ought I not to have been coupling?
ought you not to have been coupling?
ought he not to have been coupling?
ought we not to have been coupling?
ought you not to have been coupling?
ought they not to have been coupling?