can war
Regular verb: war - warred- warred

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