may scream
Regular verb: scream - screamed- screamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may scream
you may scream
she may scream
we may scream
you may scream
they may scream 	I may be screaming
you may be screaming
she may be screaming
we may be screaming
you may be screaming
they may be screaming	I may have screamed
you may have screamed
she may have screamed
we may have screamed
you may have screamed
they may have screamed	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 	V-ing form 	Perfect 	V-ing perfect 	
I may not scream
you may not scream
she may not scream
we may not scream
you may not scream
they may not scream 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
may I scream?
may you scream?
may she scream?
may we scream?
may you scream?
may they scream? 	may I be screaming?
may you be screaming?
may she be screaming?
may we be screaming?
may you be screaming?
may they be screaming? 	may I have screamed?
may you have screamed?
may she have screamed?
may we have screamed?
may you have screamed?
may they have screamed? 	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 	V-ing form 	Perfect 	V-ing perfect 	
may I not scream?
may you not scream?
may she not scream?
may we not scream?
may you not scream?
may they not scream? 	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? 	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? 	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?