English verb conjugation
MAY SCREAM

Regular verb: scream - screamed - screamed

Affirmation

Simple form	V-ing form
I may scream you may scream he may scream we may scream you may scream they may scream	I may be screaming you may be screaming he may be screaming we may be screaming you may be screaming they may be screaming
Perfect	V-ing perfect
I may have screamed you may have screamed he 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 he 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
I mayn't scream you mayn't scream he mayn't scream we mayn't scream you mayn't scream they mayn't scream	I mayn't be screaming you mayn't be screaming he mayn't be screaming we mayn't be screaming you mayn't be screaming they mayn't be screaming
Perfect	V-ing perfect
I mayn't have screamed you mayn't have screamed he mayn't have screamed we mayn't have screamed you mayn't have screamed they mayn't have screamed	I mayn't have been screaming you mayn't have been screaming he mayn't have been screaming we mayn't have been screaming you mayn't have been screaming they mayn't have been screaming

Interrogative form

Simple form	V-ing form
may I scream? may you scream? may he scream? may we scream? may you scream? may they scream?	may I be screaming? may you be screaming? may he be screaming? may we be screaming? may you be screaming? may they be screaming?
Perfect	V-ing perfect
may I have screamed? may you have screamed? may he 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 he 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
mayn't I scream? mayn't you scream? mayn't he scream? mayn't we scream? mayn't you scream? mayn't they scream?	mayn't I be screaming? mayn't you be screaming? mayn't he be screaming? mayn't we be screaming? mayn't you be screaming? mayn't they be screaming?
Perfect	V-ing perfect
mayn't I have screamed? mayn't you have screamed? mayn't he have screamed? mayn't we have screamed? mayn't you have screamed? mayn't they have screamed?	mayn't I have been screaming? mayn't you have been screaming? mayn't he have been screaming? mayn't we have been screaming? mayn't you have been screaming? mayn't they have been screaming?