English verb conjugation
OUGHT TO BIRCH

Regular verb: birch - birched - birched

Affirmation

Simple form	V-ing form
I ought to birch you ought to birch he ought to birch we ought to birch you ought to birch they ought to birch	I ought to be birching you ought to be birching he ought to be birching we ought to be birching you ought to be birching they ought to be birching
Perfect	V-ing perfect
I ought to have birched you ought to have birched he ought to have birched we ought to have birched you ought to have birched they ought to have birched	I ought to have been birching you ought to have been birching he ought to have been birching we ought to have been birching you ought to have been birching they ought to have been birching

Negation

Simple form	V-ing form
I oughtn't to birch you oughtn't to birch he oughtn't to birch we oughtn't to birch you oughtn't to birch they oughtn't to birch	I oughtn't to be birching you oughtn't to be birching he oughtn't to be birching we oughtn't to be birching you oughtn't to be birching they oughtn't to be birching
Perfect	V-ing perfect
I oughtn't to have birched you oughtn't to have birched he oughtn't to have birched we oughtn't to have birched you oughtn't to have birched they oughtn't to have birched	I oughtn't to have been birching you oughtn't to have been birching he oughtn't to have been birching we oughtn't to have been birching you oughtn't to have been birching they oughtn't to have been birching

Interrogative form

Simple form	V-ing form
ought to I birch? ought to you birch? ought to he birch? ought to we birch? ought to you birch? ought to they birch?	ought to I be birching? ought to you be birching? ought to he be birching? ought to we be birching? ought to you be birching? ought to they be birching?
Perfect	V-ing perfect
ought to I have birched? ought to you have birched? ought to he have birched? ought to we have birched? ought to you have birched? ought to they have birched?	ought to I have been birching? ought to you have been birching? ought to he have been birching? ought to we have been birching? ought to you have been birching? ought to they have been birching?

Interro-negative form

Simple form	V-ing form
oughtn't I to birch? oughtn't you to birch? oughtn't he to birch? oughtn't we to birch? oughtn't you to birch? oughtn't they to birch?	oughtn't I to be birching? oughtn't you to be birching? oughtn't he to be birching? oughtn't we to be birching? oughtn't you to be birching? oughtn't they to be birching?
Perfect	V-ing perfect
oughtn't I to have birched? oughtn't you to have birched? oughtn't he to have birched? oughtn't we to have birched? oughtn't you to have birched? oughtn't they to have birched?	oughtn't I to have been birching? oughtn't you to have been birching? oughtn't he to have been birching? oughtn't we to have been birching? oughtn't you to have been birching? oughtn't they to have been birching?