English verb conjugation
MUST LIMBER

Regular verb: limber - limbered - limbered

Affirmation

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

Negation

Simple form	V-ing form
I must not limber you must not limber she must not limber we must not limber you must not limber they must not limber	I must not be limbering you must not be limbering she must not be limbering we must not be limbering you must not be limbering they must not be limbering
Perfect	V-ing perfect
I must not have limbered you must not have limbered she must not have limbered we must not have limbered you must not have limbered they must not have limbered	I must not have been limbering you must not have been limbering she must not have been limbering we must not have been limbering you must not have been limbering they must not have been limbering

Interrogative form

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

Interro-negative form

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