ought to overdub
Regular verb: overdub - overdubed- overdubed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to overdub
you ought to overdub
he ought to overdub
we ought to overdub
you ought to overdub
they ought to overdub 	I ought to be overdubing
you ought to be overdubing
he ought to be overdubing
we ought to be overdubing
you ought to be overdubing
they ought to be overdubing	I ought to have overdubed
you ought to have overdubed
he ought to have overdubed
we ought to have overdubed
you ought to have overdubed
they ought to have overdubed	I ought to have been overdubing
you ought to have been overdubing
he ought to have been overdubing
we ought to have been overdubing
you ought to have been overdubing
they ought to have been overdubing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to overdub
you oughtn't to overdub
he oughtn't to overdub
we oughtn't to overdub
you oughtn't to overdub
they oughtn't to overdub 	I oughtn't to be overdubing
you oughtn't to be overdubing
he oughtn't to be overdubing
we oughtn't to be overdubing
you oughtn't to be overdubing
they oughtn't to be overdubing	I oughtn't to have overdubed
you oughtn't to have overdubed
he oughtn't to have overdubed
we oughtn't to have overdubed
you oughtn't to have overdubed
they oughtn't to have overdubed	I oughtn't to have been overdubing
you oughtn't to have been overdubing
he oughtn't to have been overdubing
we oughtn't to have been overdubing
you oughtn't to have been overdubing
they oughtn't to have been overdubing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I overdub?
ought to you overdub?
ought to he overdub?
ought to we overdub?
ought to you overdub?
ought to they overdub? 	ought to I be overdubing?
ought to you be overdubing?
ought to he be overdubing?
ought to we be overdubing?
ought to you be overdubing?
ought to they be overdubing? 	ought to I have overdubed?
ought to you have overdubed?
ought to he have overdubed?
ought to we have overdubed?
ought to you have overdubed?
ought to they have overdubed? 	ought to I have been overdubing?
ought to you have been overdubing?
ought to he have been overdubing?
ought to we have been overdubing?
ought to you have been overdubing?
ought to they have been overdubing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to overdub?
oughtn't you to overdub?
oughtn't he to overdub?
oughtn't we to overdub?
oughtn't you to overdub?
oughtn't they to overdub? 	oughtn't I to be overdubing?
oughtn't you to be overdubing?
oughtn't he to be overdubing?
oughtn't we to be overdubing?
oughtn't you to be overdubing?
oughtn't they to be overdubing? 	oughtn't I to have overdubed?
oughtn't you to have overdubed?
oughtn't he to have overdubed?
oughtn't we to have overdubed?
oughtn't you to have overdubed?
oughtn't they to have overdubed? 	oughtn't I to have been overdubing?
oughtn't you to have been overdubing?
oughtn't he to have been overdubing?
oughtn't we to have been overdubing?
oughtn't you to have been overdubing?
oughtn't they to have been overdubing?