English verb conjugation
CAN WAR

Regular verb: war - warred - warred

Affirmation

Simple form	V-ing form
I can war you can war he can war we can war you can war they can war	I can be warring you can be warring he can be warring we can be warring you can be warring they can be warring
Perfect	V-ing perfect
I can have warred you can have warred he can have warred we can have warred you can have warred they can have warred	I can have been warring you can have been warring he can have been warring we can have been warring you can have been warring they can have been warring

Negation

Simple form	V-ing form
I can't war you can't war he can't war we can't war you can't war they can't war	I can't be warring you can't be warring he can't be warring we can't be warring you can't be warring they can't be warring
Perfect	V-ing perfect
I can't have warred you can't have warred he can't have warred we can't have warred you can't have warred they can't have warred	I can't have been warring you can't have been warring he can't have been warring we can't have been warring you can't have been warring they can't have been warring

Interrogative form

Simple form	V-ing form
can I war? can you war? can he war? can we war? can you war? can they war?	can I be warring? can you be warring? can he be warring? can we be warring? can you be warring? can they be warring?
Perfect	V-ing perfect
can I have warred? can you have warred? can he have warred? can we have warred? can you have warred? can they have warred?	can I have been warring? can you have been warring? can he have been warring? can we have been warring? can you have been warring? can they have been warring?

Interro-negative form

Simple form	V-ing form
can't I war? can't you war? can't he war? can't we war? can't you war? can't they war?	can't I be warring? can't you be warring? can't he be warring? can't we be warring? can't you be warring? can't they be warring?
Perfect	V-ing perfect
can't I have warred? can't you have warred? can't he have warred? can't we have warred? can't you have warred? can't they have warred?	can't I have been warring? can't you have been warring? can't he have been warring? can't we have been warring? can't you have been warring? can't they have been warring?