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 oughtn't to modulate you oughtn't to modulate he oughtn't to modulate we oughtn't to modulate you oughtn't to modulate they oughtn't to modulate
V-ing form
I oughtn't to be modulating you oughtn't to be modulating he oughtn't to be modulating we oughtn't to be modulating you oughtn't to be modulating they oughtn't to be modulating
Perfect
I oughtn't to have modulated you oughtn't to have modulated he oughtn't to have modulated we oughtn't to have modulated you oughtn't to have modulated they oughtn't to have modulated
V-ing perfect
I oughtn't to have been modulating you oughtn't to have been modulating he oughtn't to have been modulating we oughtn't to have been modulating you oughtn't to have been modulating they oughtn't 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
oughtn't I to modulate? oughtn't you to modulate? oughtn't he to modulate? oughtn't we to modulate? oughtn't you to modulate? oughtn't they to modulate?
V-ing form
oughtn't I to be modulating? oughtn't you to be modulating? oughtn't he to be modulating? oughtn't we to be modulating? oughtn't you to be modulating? oughtn't they to be modulating?
Perfect
oughtn't I to have modulated? oughtn't you to have modulated? oughtn't he to have modulated? oughtn't we to have modulated? oughtn't you to have modulated? oughtn't they to have modulated?
V-ing perfect
oughtn't I to have been modulating? oughtn't you to have been modulating? oughtn't he to have been modulating? oughtn't we to have been modulating? oughtn't you to have been modulating? oughtn't they to have been modulating?