English verb conjugation
OUGHT TO FORFEND

Regular verb: forfend - forfended - forfended

Affirmation

Simple form	V-ing form
I ought to forfend you ought to forfend he ought to forfend we ought to forfend you ought to forfend they ought to forfend	I ought to be forfending you ought to be forfending he ought to be forfending we ought to be forfending you ought to be forfending they ought to be forfending
Perfect	V-ing perfect
I ought to have forfended you ought to have forfended he ought to have forfended we ought to have forfended you ought to have forfended they ought to have forfended	I ought to have been forfending you ought to have been forfending he ought to have been forfending we ought to have been forfending you ought to have been forfending they ought to have been forfending

Negation

Simple form	V-ing form
I oughtn't to forfend you oughtn't to forfend he oughtn't to forfend we oughtn't to forfend you oughtn't to forfend they oughtn't to forfend	I oughtn't to be forfending you oughtn't to be forfending he oughtn't to be forfending we oughtn't to be forfending you oughtn't to be forfending they oughtn't to be forfending
Perfect	V-ing perfect
I oughtn't to have forfended you oughtn't to have forfended he oughtn't to have forfended we oughtn't to have forfended you oughtn't to have forfended they oughtn't to have forfended	I oughtn't to have been forfending you oughtn't to have been forfending he oughtn't to have been forfending we oughtn't to have been forfending you oughtn't to have been forfending they oughtn't to have been forfending

Interrogative form

Simple form	V-ing form
ought to I forfend? ought to you forfend? ought to he forfend? ought to we forfend? ought to you forfend? ought to they forfend?	ought to I be forfending? ought to you be forfending? ought to he be forfending? ought to we be forfending? ought to you be forfending? ought to they be forfending?
Perfect	V-ing perfect
ought to I have forfended? ought to you have forfended? ought to he have forfended? ought to we have forfended? ought to you have forfended? ought to they have forfended?	ought to I have been forfending? ought to you have been forfending? ought to he have been forfending? ought to we have been forfending? ought to you have been forfending? ought to they have been forfending?

Interro-negative form

Simple form	V-ing form
oughtn't I to forfend? oughtn't you to forfend? oughtn't he to forfend? oughtn't we to forfend? oughtn't you to forfend? oughtn't they to forfend?	oughtn't I to be forfending? oughtn't you to be forfending? oughtn't he to be forfending? oughtn't we to be forfending? oughtn't you to be forfending? oughtn't they to be forfending?
Perfect	V-ing perfect
oughtn't I to have forfended? oughtn't you to have forfended? oughtn't he to have forfended? oughtn't we to have forfended? oughtn't you to have forfended? oughtn't they to have forfended?	oughtn't I to have been forfending? oughtn't you to have been forfending? oughtn't he to have been forfending? oughtn't we to have been forfending? oughtn't you to have been forfending? oughtn't they to have been forfending?