may massacre
Regular verb: massacre - massacred- massacred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may massacre
you may massacre
he may massacre
we may massacre
you may massacre
they may massacre 	I may be massacring
you may be massacring
he may be massacring
we may be massacring
you may be massacring
they may be massacring	I may have massacred
you may have massacred
he may have massacred
we may have massacred
you may have massacred
they may have massacred	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 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't massacre
you mayn't massacre
he mayn't massacre
we mayn't massacre
you mayn't massacre
they mayn't massacre 	I mayn't be massacring
you mayn't be massacring
he mayn't be massacring
we mayn't be massacring
you mayn't be massacring
they mayn't be massacring	I mayn't have massacred
you mayn't have massacred
he mayn't have massacred
we mayn't have massacred
you mayn't have massacred
they mayn't have massacred	I mayn't have been massacring
you mayn't have been massacring
he mayn't have been massacring
we mayn't have been massacring
you mayn't have been massacring
they mayn't have been massacring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I massacre?
may you massacre?
may he massacre?
may we massacre?
may you massacre?
may they massacre? 	may I be massacring?
may you be massacring?
may he be massacring?
may we be massacring?
may you be massacring?
may they be massacring? 	may I have massacred?
may you have massacred?
may he have massacred?
may we have massacred?
may you have massacred?
may they have massacred? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I massacre?
mayn't you massacre?
mayn't he massacre?
mayn't we massacre?
mayn't you massacre?
mayn't they massacre? 	mayn't I be massacring?
mayn't you be massacring?
mayn't he be massacring?
mayn't we be massacring?
mayn't you be massacring?
mayn't they be massacring? 	mayn't I have massacred?
mayn't you have massacred?
mayn't he have massacred?
mayn't we have massacred?
mayn't you have massacred?
mayn't they have massacred? 	mayn't I have been massacring?
mayn't you have been massacring?
mayn't he have been massacring?
mayn't we have been massacring?
mayn't you have been massacring?
mayn't they have been massacring?