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