English verb conjugation
OUGHT TO TAT

Regular verb: tat - tatted - tatted

Affirmation

Simple form	V-ing form
I ought to tat you ought to tat he ought to tat we ought to tat you ought to tat they ought to tat	I ought to be tatting you ought to be tatting he ought to be tatting we ought to be tatting you ought to be tatting they ought to be tatting
Perfect	V-ing perfect
I ought to have tatted you ought to have tatted he ought to have tatted we ought to have tatted you ought to have tatted they ought to have tatted	I ought to have been tatting you ought to have been tatting he ought to have been tatting we ought to have been tatting you ought to have been tatting they ought to have been tatting

Negation

Simple form	V-ing form
I oughtn't to tat you oughtn't to tat he oughtn't to tat we oughtn't to tat you oughtn't to tat they oughtn't to tat	I oughtn't to be tatting you oughtn't to be tatting he oughtn't to be tatting we oughtn't to be tatting you oughtn't to be tatting they oughtn't to be tatting
Perfect	V-ing perfect
I oughtn't to have tatted you oughtn't to have tatted he oughtn't to have tatted we oughtn't to have tatted you oughtn't to have tatted they oughtn't to have tatted	I oughtn't to have been tatting you oughtn't to have been tatting he oughtn't to have been tatting we oughtn't to have been tatting you oughtn't to have been tatting they oughtn't to have been tatting

Interrogative form

Simple form	V-ing form
ought to I tat? ought to you tat? ought to he tat? ought to we tat? ought to you tat? ought to they tat?	ought to I be tatting? ought to you be tatting? ought to he be tatting? ought to we be tatting? ought to you be tatting? ought to they be tatting?
Perfect	V-ing perfect
ought to I have tatted? ought to you have tatted? ought to he have tatted? ought to we have tatted? ought to you have tatted? ought to they have tatted?	ought to I have been tatting? ought to you have been tatting? ought to he have been tatting? ought to we have been tatting? ought to you have been tatting? ought to they have been tatting?

Interro-negative form

Simple form	V-ing form
oughtn't I to tat? oughtn't you to tat? oughtn't he to tat? oughtn't we to tat? oughtn't you to tat? oughtn't they to tat?	oughtn't I to be tatting? oughtn't you to be tatting? oughtn't he to be tatting? oughtn't we to be tatting? oughtn't you to be tatting? oughtn't they to be tatting?
Perfect	V-ing perfect
oughtn't I to have tatted? oughtn't you to have tatted? oughtn't he to have tatted? oughtn't we to have tatted? oughtn't you to have tatted? oughtn't they to have tatted?	oughtn't I to have been tatting? oughtn't you to have been tatting? oughtn't he to have been tatting? oughtn't we to have been tatting? oughtn't you to have been tatting? oughtn't they to have been tatting?