English verb conjugation
OUGHT TO FIB

Regular verb: fib - fibbed - fibbed

Affirmation

Simple form	V-ing form
I ought to fib you ought to fib he 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 he ought to be fibbing we ought to be fibbing you ought to be fibbing they ought to be fibbing
Perfect	V-ing perfect
I ought to have fibbed you ought to have fibbed he 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 he 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
I oughtn't to fib you oughtn't to fib he 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 he oughtn't to be fibbing we oughtn't to be fibbing you oughtn't to be fibbing they oughtn't to be fibbing
Perfect	V-ing perfect
I oughtn't to have fibbed you oughtn't to have fibbed he 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 he 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
ought to I fib? ought to you fib? ought to he 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 he be fibbing? ought to we be fibbing? ought to you be fibbing? ought to they be fibbing?
Perfect	V-ing perfect
ought to I have fibbed? ought to you have fibbed? ought to he 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 he 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
oughtn't I to fib? oughtn't you to fib? oughtn't he 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 he to be fibbing? oughtn't we to be fibbing? oughtn't you to be fibbing? oughtn't they to be fibbing?
Perfect	V-ing perfect
oughtn't I to have fibbed? oughtn't you to have fibbed? oughtn't he 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 he 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?