English verb conjugation
OUGHT TO FUR

Regular verb: fur - furred - furred

Affirmation

Simple form	V-ing form
I ought to fur you ought to fur he ought to fur we ought to fur you ought to fur they ought to fur	I ought to be furring you ought to be furring he ought to be furring we ought to be furring you ought to be furring they ought to be furring
Perfect	V-ing perfect
I ought to have furred you ought to have furred he ought to have furred we ought to have furred you ought to have furred they ought to have furred	I ought to have been furring you ought to have been furring he ought to have been furring we ought to have been furring you ought to have been furring they ought to have been furring

Negation

Simple form	V-ing form
I oughtn't to fur you oughtn't to fur he oughtn't to fur we oughtn't to fur you oughtn't to fur they oughtn't to fur	I oughtn't to be furring you oughtn't to be furring he oughtn't to be furring we oughtn't to be furring you oughtn't to be furring they oughtn't to be furring
Perfect	V-ing perfect
I oughtn't to have furred you oughtn't to have furred he oughtn't to have furred we oughtn't to have furred you oughtn't to have furred they oughtn't to have furred	I oughtn't to have been furring you oughtn't to have been furring he oughtn't to have been furring we oughtn't to have been furring you oughtn't to have been furring they oughtn't to have been furring

Interrogative form

Simple form	V-ing form
ought to I fur? ought to you fur? ought to he fur? ought to we fur? ought to you fur? ought to they fur?	ought to I be furring? ought to you be furring? ought to he be furring? ought to we be furring? ought to you be furring? ought to they be furring?
Perfect	V-ing perfect
ought to I have furred? ought to you have furred? ought to he have furred? ought to we have furred? ought to you have furred? ought to they have furred?	ought to I have been furring? ought to you have been furring? ought to he have been furring? ought to we have been furring? ought to you have been furring? ought to they have been furring?

Interro-negative form

Simple form	V-ing form
oughtn't I to fur? oughtn't you to fur? oughtn't he to fur? oughtn't we to fur? oughtn't you to fur? oughtn't they to fur?	oughtn't I to be furring? oughtn't you to be furring? oughtn't he to be furring? oughtn't we to be furring? oughtn't you to be furring? oughtn't they to be furring?
Perfect	V-ing perfect
oughtn't I to have furred? oughtn't you to have furred? oughtn't he to have furred? oughtn't we to have furred? oughtn't you to have furred? oughtn't they to have furred?	oughtn't I to have been furring? oughtn't you to have been furring? oughtn't he to have been furring? oughtn't we to have been furring? oughtn't you to have been furring? oughtn't they to have been furring?