English verb conjugation
OUGHT TO REPLY

Regular verb: reply - replied - replied

Affirmation

Simple form	V-ing form
I ought to reply you ought to reply he ought to reply we ought to reply you ought to reply they ought to reply	I ought to be replying you ought to be replying he ought to be replying we ought to be replying you ought to be replying they ought to be replying
Perfect	V-ing perfect
I ought to have replied you ought to have replied he ought to have replied we ought to have replied you ought to have replied they ought to have replied	I ought to have been replying you ought to have been replying he ought to have been replying we ought to have been replying you ought to have been replying they ought to have been replying

Negation

Simple form	V-ing form
I oughtn't to reply you oughtn't to reply he oughtn't to reply we oughtn't to reply you oughtn't to reply they oughtn't to reply	I oughtn't to be replying you oughtn't to be replying he oughtn't to be replying we oughtn't to be replying you oughtn't to be replying they oughtn't to be replying
Perfect	V-ing perfect
I oughtn't to have replied you oughtn't to have replied he oughtn't to have replied we oughtn't to have replied you oughtn't to have replied they oughtn't to have replied	I oughtn't to have been replying you oughtn't to have been replying he oughtn't to have been replying we oughtn't to have been replying you oughtn't to have been replying they oughtn't to have been replying

Interrogative form

Simple form	V-ing form
ought to I reply? ought to you reply? ought to he reply? ought to we reply? ought to you reply? ought to they reply?	ought to I be replying? ought to you be replying? ought to he be replying? ought to we be replying? ought to you be replying? ought to they be replying?
Perfect	V-ing perfect
ought to I have replied? ought to you have replied? ought to he have replied? ought to we have replied? ought to you have replied? ought to they have replied?	ought to I have been replying? ought to you have been replying? ought to he have been replying? ought to we have been replying? ought to you have been replying? ought to they have been replying?

Interro-negative form

Simple form	V-ing form
oughtn't I to reply? oughtn't you to reply? oughtn't he to reply? oughtn't we to reply? oughtn't you to reply? oughtn't they to reply?	oughtn't I to be replying? oughtn't you to be replying? oughtn't he to be replying? oughtn't we to be replying? oughtn't you to be replying? oughtn't they to be replying?
Perfect	V-ing perfect
oughtn't I to have replied? oughtn't you to have replied? oughtn't he to have replied? oughtn't we to have replied? oughtn't you to have replied? oughtn't they to have replied?	oughtn't I to have been replying? oughtn't you to have been replying? oughtn't he to have been replying? oughtn't we to have been replying? oughtn't you to have been replying? oughtn't they to have been replying?