English verb conjugation
CAN LIMBER

Regular verb: limber - limbered - limbered

Affirmation

Simple form	V-ing form
I can limber you can limber he can limber we can limber you can limber they can limber	I can be limbering you can be limbering he can be limbering we can be limbering you can be limbering they can be limbering
Perfect	V-ing perfect
I can have limbered you can have limbered he can have limbered we can have limbered you can have limbered they can have limbered	I can have been limbering you can have been limbering he can have been limbering we can have been limbering you can have been limbering they can have been limbering

Negation

Simple form	V-ing form
I cannot limber you cannot limber he cannot limber we cannot limber you cannot limber they cannot limber	I cannot be limbering you cannot be limbering he cannot be limbering we cannot be limbering you cannot be limbering they cannot be limbering
Perfect	V-ing perfect
I cannot have limbered you cannot have limbered he cannot have limbered we cannot have limbered you cannot have limbered they cannot have limbered	I cannot have been limbering you cannot have been limbering he cannot have been limbering we cannot have been limbering you cannot have been limbering they cannot have been limbering

Interrogative form

Simple form	V-ing form
can I limber? can you limber? can he limber? can we limber? can you limber? can they limber?	can I be limbering? can you be limbering? can he be limbering? can we be limbering? can you be limbering? can they be limbering?
Perfect	V-ing perfect
can I have limbered? can you have limbered? can he have limbered? can we have limbered? can you have limbered? can they have limbered?	can I have been limbering? can you have been limbering? can he have been limbering? can we have been limbering? can you have been limbering? can they have been limbering?

Interro-negative form

Simple form	V-ing form
can I not limber? can you not limber? can he not limber? can we not limber? can you not limber? can they not limber?	can I not be limbering? can you not be limbering? can he not be limbering? can we not be limbering? can you not be limbering? can they not be limbering?
Perfect	V-ing perfect
can I not have limbered? can you not have limbered? can he not have limbered? can we not have limbered? can you not have limbered? can they not have limbered?	can I not have been limbering? can you not have been limbering? can he not have been limbering? can we not have been limbering? can you not have been limbering? can they not have been limbering?