English verb conjugation
OUGHT TO FIFE

Regular verb: fife - fifed - fifed

Affirmation

Simple form	V-ing form
I ought to fife you ought to fife he ought to fife we ought to fife you ought to fife they ought to fife	I ought to be fifing you ought to be fifing he ought to be fifing we ought to be fifing you ought to be fifing they ought to be fifing
Perfect	V-ing perfect
I ought to have fifed you ought to have fifed he ought to have fifed we ought to have fifed you ought to have fifed they ought to have fifed	I ought to have been fifing you ought to have been fifing he ought to have been fifing we ought to have been fifing you ought to have been fifing they ought to have been fifing

Negation

Simple form	V-ing form
I oughtn't to fife you oughtn't to fife he oughtn't to fife we oughtn't to fife you oughtn't to fife they oughtn't to fife	I oughtn't to be fifing you oughtn't to be fifing he oughtn't to be fifing we oughtn't to be fifing you oughtn't to be fifing they oughtn't to be fifing
Perfect	V-ing perfect
I oughtn't to have fifed you oughtn't to have fifed he oughtn't to have fifed we oughtn't to have fifed you oughtn't to have fifed they oughtn't to have fifed	I oughtn't to have been fifing you oughtn't to have been fifing he oughtn't to have been fifing we oughtn't to have been fifing you oughtn't to have been fifing they oughtn't to have been fifing

Interrogative form

Simple form	V-ing form
ought to I fife? ought to you fife? ought to he fife? ought to we fife? ought to you fife? ought to they fife?	ought to I be fifing? ought to you be fifing? ought to he be fifing? ought to we be fifing? ought to you be fifing? ought to they be fifing?
Perfect	V-ing perfect
ought to I have fifed? ought to you have fifed? ought to he have fifed? ought to we have fifed? ought to you have fifed? ought to they have fifed?	ought to I have been fifing? ought to you have been fifing? ought to he have been fifing? ought to we have been fifing? ought to you have been fifing? ought to they have been fifing?

Interro-negative form

Simple form	V-ing form
oughtn't I to fife? oughtn't you to fife? oughtn't he to fife? oughtn't we to fife? oughtn't you to fife? oughtn't they to fife?	oughtn't I to be fifing? oughtn't you to be fifing? oughtn't he to be fifing? oughtn't we to be fifing? oughtn't you to be fifing? oughtn't they to be fifing?
Perfect	V-ing perfect
oughtn't I to have fifed? oughtn't you to have fifed? oughtn't he to have fifed? oughtn't we to have fifed? oughtn't you to have fifed? oughtn't they to have fifed?	oughtn't I to have been fifing? oughtn't you to have been fifing? oughtn't he to have been fifing? oughtn't we to have been fifing? oughtn't you to have been fifing? oughtn't they to have been fifing?