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 can't massacre you can't massacre he can't massacre we can't massacre you can't massacre they can't massacre	I can't be massacring you can't be massacring he can't be massacring we can't be massacring you can't be massacring they can't be massacring
Perfect	V-ing perfect
I can't have massacred you can't have massacred he can't have massacred we can't have massacred you can't have massacred they can't have massacred	I can't have been massacring you can't have been massacring he can't have been massacring we can't have been massacring you can't have been massacring they can't 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't I massacre? can't you massacre? can't he massacre? can't we massacre? can't you massacre? can't they massacre?	can't I be massacring? can't you be massacring? can't he be massacring? can't we be massacring? can't you be massacring? can't they be massacring?
Perfect	V-ing perfect
can't I have massacred? can't you have massacred? can't he have massacred? can't we have massacred? can't you have massacred? can't they have massacred?	can't I have been massacring? can't you have been massacring? can't he have been massacring? can't we have been massacring? can't you have been massacring? can't they have been massacring?