English verb conjugation
CAN MASSACRE

Regular verb: massacre - massacred - massacred

Affirmation

Simple form	V-ing form
I can massacre you can massacre he can massacre we can massacre you can massacre they can massacre	I can be massacring you can be massacring he can be massacring we can be massacring you can be massacring they can be massacring
Perfect	V-ing perfect
I can have massacred you can have massacred he can have massacred we can have massacred you can have massacred they can have massacred	I can have been massacring you can have been massacring he can have been massacring we can have been massacring you can have been massacring they can have been massacring

Negation

Simple form	V-ing form
I cannot massacre you cannot massacre he cannot massacre we cannot massacre you cannot massacre they cannot massacre	I cannot be massacring you cannot be massacring he cannot be massacring we cannot be massacring you cannot be massacring they cannot be massacring
Perfect	V-ing perfect
I cannot have massacred you cannot have massacred he cannot have massacred we cannot have massacred you cannot have massacred they cannot have massacred	I cannot have been massacring you cannot have been massacring he cannot have been massacring we cannot have been massacring you cannot have been massacring they cannot have been massacring

Interrogative form

Simple form	V-ing form
can I massacre? can you massacre? can he massacre? can we massacre? can you massacre? can they massacre?	can I be massacring? can you be massacring? can he be massacring? can we be massacring? can you be massacring? can they be massacring?
Perfect	V-ing perfect
can I have massacred? can you have massacred? can he have massacred? can we have massacred? can you have massacred? can they have massacred?	can I have been massacring? can you have been massacring? can he have been massacring? can we have been massacring? can you have been massacring? can they have been massacring?

Interro-negative form

Simple form	V-ing form
can I not massacre? can you not massacre? can he not massacre? can we not massacre? can you not massacre? can they not massacre?	can I not be massacring? can you not be massacring? can he not be massacring? can we not be massacring? can you not be massacring? can they not be massacring?
Perfect	V-ing perfect
can I not have massacred? can you not have massacred? can he not have massacred? can we not have massacred? can you not have massacred? can they not have massacred?	can I not have been massacring? can you not have been massacring? can he not have been massacring? can we not have been massacring? can you not have been massacring? can they not have been massacring?