English verb conjugation
COULD UNLIMBER

Regular verb: unlimber - unlimbered - unlimbered

Affirmation

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

Negation

Simple form	V-ing form
I could not unlimber you could not unlimber he could not unlimber we could not unlimber you could not unlimber they could not unlimber	I could not be unlimbering you could not be unlimbering he could not be unlimbering we could not be unlimbering you could not be unlimbering they could not be unlimbering
Perfect	V-ing perfect
I could not have unlimbered you could not have unlimbered he could not have unlimbered we could not have unlimbered you could not have unlimbered they could not have unlimbered	I could not have been unlimbering you could not have been unlimbering he could not have been unlimbering we could not have been unlimbering you could not have been unlimbering they could not have been unlimbering

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not unlimber? could you not unlimber? could he not unlimber? could we not unlimber? could you not unlimber? could they not unlimber?	could I not be unlimbering? could you not be unlimbering? could he not be unlimbering? could we not be unlimbering? could you not be unlimbering? could they not be unlimbering?
Perfect	V-ing perfect
could I not have unlimbered? could you not have unlimbered? could he not have unlimbered? could we not have unlimbered? could you not have unlimbered? could they not have unlimbered?	could I not have been unlimbering? could you not have been unlimbering? could he not have been unlimbering? could we not have been unlimbering? could you not have been unlimbering? could they not have been unlimbering?