I ought to modulate you ought to modulate he ought to modulate we ought to modulate you ought to modulate they ought to modulate
V-ing form
I ought to be modulating you ought to be modulating he ought to be modulating we ought to be modulating you ought to be modulating they ought to be modulating
Perfect
I ought to have modulated you ought to have modulated he ought to have modulated we ought to have modulated you ought to have modulated they ought to have modulated
V-ing perfect
I ought to have been modulating you ought to have been modulating he ought to have been modulating we ought to have been modulating you ought to have been modulating they ought to have been modulating
Negation
Simple form
I ought not to modulate you ought not to modulate he ought not to modulate we ought not to modulate you ought not to modulate they ought not to modulate
V-ing form
I ought not to modulating you ought not to modulating he ought not to modulating we ought not to modulating you ought not to modulating they ought not to modulating
Perfect
I ought not to have modulated you ought not to have modulated he ought not to have modulated we ought not to have modulated you ought not to have modulated they ought not to have modulated
V-ing perfect
I ought not to have been modulating you ought not to have been modulating he ought not to have been modulating we ought not to have been modulating you ought not to have been modulating they ought not to have been modulating
Interrogative form
Simple form
ought to I modulate? ought to you modulate? ought to he modulate? ought to we modulate? ought to you modulate? ought to they modulate?
V-ing form
ought to I be modulating? ought to you be modulating? ought to he be modulating? ought to we be modulating? ought to you be modulating? ought to they be modulating?
Perfect
ought to I have modulated? ought to you have modulated? ought to he have modulated? ought to we have modulated? ought to you have modulated? ought to they have modulated?
V-ing perfect
ought to I have been modulating? ought to you have been modulating? ought to he have been modulating? ought to we have been modulating? ought to you have been modulating? ought to they have been modulating?
Interro-negative form
Simple form
ought I not to modulate? ought you not to modulate? ought he not to modulate? ought we not to modulate? ought you not to modulate? ought they not to modulate?
V-ing form
ought I not to be modulating? ought you not to be modulating? ought he not to be modulating? ought we not to be modulating? ought you not to be modulating? ought they not to be modulating?
Perfect
ought I not to have modulated? ought you not to have modulated? ought he not to have modulated? ought we not to have modulated? ought you not to have modulated? ought they not to have modulated?
V-ing perfect
ought I not to have been modulating? ought you not to have been modulating? ought he not to have been modulating? ought we not to have been modulating? ought you not to have been modulating? ought they not to have been modulating?