can unlimber
Regular verb: unlimber - unlimbered- unlimbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can unlimber
you can unlimber
he can unlimber
we can unlimber
you can unlimber
they can unlimber 	I can be unlimbering
you can be unlimbering
he can be unlimbering
we can be unlimbering
you can be unlimbering
they can be unlimbering	I can have unlimbered
you can have unlimbered
he can have unlimbered
we can have unlimbered
you can have unlimbered
they can have unlimbered	I can have been unlimbering
you can have been unlimbering
he can have been unlimbering
we can have been unlimbering
you can have been unlimbering
they can have been unlimbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't unlimber
you can't unlimber
he can't unlimber
we can't unlimber
you can't unlimber
they can't unlimber 	I can't be unlimbering
you can't be unlimbering
he can't be unlimbering
we can't be unlimbering
you can't be unlimbering
they can't be unlimbering	I can't have unlimbered
you can't have unlimbered
he can't have unlimbered
we can't have unlimbered
you can't have unlimbered
they can't have unlimbered	I can't have been unlimbering
you can't have been unlimbering
he can't have been unlimbering
we can't have been unlimbering
you can't have been unlimbering
they can't have been unlimbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I unlimber?
can you unlimber?
can he unlimber?
can we unlimber?
can you unlimber?
can they unlimber? 	can I be unlimbering?
can you be unlimbering?
can he be unlimbering?
can we be unlimbering?
can you be unlimbering?
can they be unlimbering? 	can I have unlimbered?
can you have unlimbered?
can he have unlimbered?
can we have unlimbered?
can you have unlimbered?
can they have unlimbered? 	can I have been unlimbering?
can you have been unlimbering?
can he have been unlimbering?
can we have been unlimbering?
can you have been unlimbering?
can they have been unlimbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I unlimber?
can't you unlimber?
can't he unlimber?
can't we unlimber?
can't you unlimber?
can't they unlimber? 	can't I be unlimbering?
can't you be unlimbering?
can't he be unlimbering?
can't we be unlimbering?
can't you be unlimbering?
can't they be unlimbering? 	can't I have unlimbered?
can't you have unlimbered?
can't he have unlimbered?
can't we have unlimbered?
can't you have unlimbered?
can't they have unlimbered? 	can't I have been unlimbering?
can't you have been unlimbering?
can't he have been unlimbering?
can't we have been unlimbering?
can't you have been unlimbering?
can't they have been unlimbering?