I ought to modulate you ought to modulate she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?