I ought to reply you ought to reply he ought to reply we ought to reply you ought to reply they ought to reply
V-ing form
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
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
V-ing perfect
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
I ought not to reply you ought not to reply he ought not to reply we ought not to reply you ought not to reply they ought not to reply
V-ing form
I ought not to replying you ought not to replying he ought not to replying we ought not to replying you ought not to replying they ought not to replying
Perfect
I ought not to have replied you ought not to have replied he ought not to have replied we ought not to have replied you ought not to have replied they ought not to have replied
V-ing perfect
I ought not to have been replying you ought not to have been replying he ought not to have been replying we ought not to have been replying you ought not to have been replying they ought not to have been replying
Interrogative form
Simple 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?
V-ing form
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
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?
V-ing perfect
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
ought I not to reply? ought you not to reply? ought he not to reply? ought we not to reply? ought you not to reply? ought they not to reply?
V-ing form
ought I not to be replying? ought you not to be replying? ought he not to be replying? ought we not to be replying? ought you not to be replying? ought they not to be replying?
Perfect
ought I not to have replied? ought you not to have replied? ought he not to have replied? ought we not to have replied? ought you not to have replied? ought they not to have replied?
V-ing perfect
ought I not to have been replying? ought you not to have been replying? ought he not to have been replying? ought we not to have been replying? ought you not to have been replying? ought they not to have been replying?