ought to fib
Regular verb: fib - fibbed- fibbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to fib
you ought to fib
she ought to fib
we ought to fib
you ought to fib
they ought to fib 	I ought to be fibbing
you ought to be fibbing
she ought to be fibbing
we ought to be fibbing
you ought to be fibbing
they ought to be fibbing	I ought to have fibbed
you ought to have fibbed
she ought to have fibbed
we ought to have fibbed
you ought to have fibbed
they ought to have fibbed	I ought to have been fibbing
you ought to have been fibbing
she ought to have been fibbing
we ought to have been fibbing
you ought to have been fibbing
they ought to have been fibbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to fib
you oughtn't to fib
she oughtn't to fib
we oughtn't to fib
you oughtn't to fib
they oughtn't to fib 	I oughtn't to be fibbing
you oughtn't to be fibbing
she oughtn't to be fibbing
we oughtn't to be fibbing
you oughtn't to be fibbing
they oughtn't to be fibbing	I oughtn't to have fibbed
you oughtn't to have fibbed
she oughtn't to have fibbed
we oughtn't to have fibbed
you oughtn't to have fibbed
they oughtn't to have fibbed	I oughtn't to have been fibbing
you oughtn't to have been fibbing
she oughtn't to have been fibbing
we oughtn't to have been fibbing
you oughtn't to have been fibbing
they oughtn't to have been fibbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I fib?
ought to you fib?
ought to she fib?
ought to we fib?
ought to you fib?
ought to they fib? 	ought to I be fibbing?
ought to you be fibbing?
ought to she be fibbing?
ought to we be fibbing?
ought to you be fibbing?
ought to they be fibbing? 	ought to I have fibbed?
ought to you have fibbed?
ought to she have fibbed?
ought to we have fibbed?
ought to you have fibbed?
ought to they have fibbed? 	ought to I have been fibbing?
ought to you have been fibbing?
ought to she have been fibbing?
ought to we have been fibbing?
ought to you have been fibbing?
ought to they have been fibbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to fib?
oughtn't you to fib?
oughtn't she to fib?
oughtn't we to fib?
oughtn't you to fib?
oughtn't they to fib? 	oughtn't I to be fibbing?
oughtn't you to be fibbing?
oughtn't she to be fibbing?
oughtn't we to be fibbing?
oughtn't you to be fibbing?
oughtn't they to be fibbing? 	oughtn't I to have fibbed?
oughtn't you to have fibbed?
oughtn't she to have fibbed?
oughtn't we to have fibbed?
oughtn't you to have fibbed?
oughtn't they to have fibbed? 	oughtn't I to have been fibbing?
oughtn't you to have been fibbing?
oughtn't she to have been fibbing?
oughtn't we to have been fibbing?
oughtn't you to have been fibbing?
oughtn't they to have been fibbing?