I may massacre you may massacre he may massacre we may massacre you may massacre they may massacre
V-ing form
I may be massacring you may be massacring he may be massacring we may be massacring you may be massacring they may be massacring
Perfect
I may have massacred you may have massacred he may have massacred we may have massacred you may have massacred they may have massacred
V-ing perfect
I may have been massacring you may have been massacring he may have been massacring we may have been massacring you may have been massacring they may have been massacring
Negation
Simple form
I may not massacre you may not massacre he may not massacre we may not massacre you may not massacre they may not massacre
V-ing form
I may not be massacring you may not be massacring he may not be massacring we may not be massacring you may not be massacring they may not be massacring
Perfect
I may not have massacred you may not have massacred he may not have massacred we may not have massacred you may not have massacred they may not have massacred
V-ing perfect
I may not have been massacring you may not have been massacring he may not have been massacring we may not have been massacring you may not have been massacring they may not have been massacring
Interrogative form
Simple form
may I massacre? may you massacre? may he massacre? may we massacre? may you massacre? may they massacre?
V-ing form
may I be massacring? may you be massacring? may he be massacring? may we be massacring? may you be massacring? may they be massacring?
Perfect
may I have massacred? may you have massacred? may he have massacred? may we have massacred? may you have massacred? may they have massacred?
V-ing perfect
may I have been massacring? may you have been massacring? may he have been massacring? may we have been massacring? may you have been massacring? may they have been massacring?
Interro-negative form
Simple form
may I not massacre? may you not massacre? may he not massacre? may we not massacre? may you not massacre? may they not massacre?
V-ing form
may I not be massacring? may you not be massacring? may he not be massacring? may we not be massacring? may you not be massacring? may they not be massacring?
Perfect
may I not have massacred? may you not have massacred? may he not have massacred? may we not have massacred? may you not have massacred? may they not have massacred?
V-ing perfect
may I not have been massacring? may you not have been massacring? may he not have been massacring? may we not have been massacring? may you not have been massacring? may they not have been massacring?