I may scream you may scream she may scream we may scream you may scream they may scream
V-ing form
I may be screaming you may be screaming she may be screaming we may be screaming you may be screaming they may be screaming
Perfect
I may have screamed you may have screamed she may have screamed we may have screamed you may have screamed they may have screamed
V-ing perfect
I may have been screaming you may have been screaming she may have been screaming we may have been screaming you may have been screaming they may have been screaming
Negation
Simple form
I may not scream you may not scream she may not scream we may not scream you may not scream they may not scream
V-ing form
I may not be screaming you may not be screaming she may not be screaming we may not be screaming you may not be screaming they may not be screaming
Perfect
I may not have screamed you may not have screamed she may not have screamed we may not have screamed you may not have screamed they may not have screamed
V-ing perfect
I may not have been screaming you may not have been screaming she may not have been screaming we may not have been screaming you may not have been screaming they may not have been screaming
Interrogative form
Simple form
may I scream? may you scream? may she scream? may we scream? may you scream? may they scream?
V-ing form
may I be screaming? may you be screaming? may she be screaming? may we be screaming? may you be screaming? may they be screaming?
Perfect
may I have screamed? may you have screamed? may she have screamed? may we have screamed? may you have screamed? may they have screamed?
V-ing perfect
may I have been screaming? may you have been screaming? may she have been screaming? may we have been screaming? may you have been screaming? may they have been screaming?
Interro-negative form
Simple form
may I not scream? may you not scream? may she not scream? may we not scream? may you not scream? may they not scream?
V-ing form
may I not be screaming? may you not be screaming? may she not be screaming? may we not be screaming? may you not be screaming? may they not be screaming?
Perfect
may I not have screamed? may you not have screamed? may she not have screamed? may we not have screamed? may you not have screamed? may they not have screamed?
V-ing perfect
may I not have been screaming? may you not have been screaming? may she not have been screaming? may we not have been screaming? may you not have been screaming? may they not have been screaming?