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 cannot unlimber
you cannot unlimber
he cannot unlimber
we cannot unlimber
you cannot unlimber
they cannot unlimber 	I cannot be unlimbering
you cannot be unlimbering
he cannot be unlimbering
we cannot be unlimbering
you cannot be unlimbering
they cannot be unlimbering	I cannot have unlimbered
you cannot have unlimbered
he cannot have unlimbered
we cannot have unlimbered
you cannot have unlimbered
they cannot have unlimbered	I cannot have been unlimbering
you cannot have been unlimbering
he cannot have been unlimbering
we cannot have been unlimbering
you cannot have been unlimbering
they cannot 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 I not unlimber?
can you not unlimber?
can he not unlimber?
can we not unlimber?
can you not unlimber?
can they not unlimber? 	can I not be unlimbering?
can you not be unlimbering?
can he not be unlimbering?
can we not be unlimbering?
can you not be unlimbering?
can they not be unlimbering? 	can I not have unlimbered?
can you not have unlimbered?
can he not have unlimbered?
can we not have unlimbered?
can you not have unlimbered?
can they not have unlimbered? 	can I not have been unlimbering?
can you not have been unlimbering?
can he not have been unlimbering?
can we not have been unlimbering?
can you not have been unlimbering?
can they not have been unlimbering?