English verb conjugation
MUST LIMBER

Regular verb: limber - limbered - limbered

Affirmation

Simple form	V-ing form
I must limber you must limber he must limber we must limber you must limber they must limber	I must be limbering you must be limbering he 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 he 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 he 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 mustn't limber you mustn't limber he mustn't limber we mustn't limber you mustn't limber they mustn't limber	I mustn't be limbering you mustn't be limbering he mustn't be limbering we mustn't be limbering you mustn't be limbering they mustn't be limbering
Perfect	V-ing perfect
I mustn't have limbered you mustn't have limbered he mustn't have limbered we mustn't have limbered you mustn't have limbered they mustn't have limbered	I mustn't have been limbering you mustn't have been limbering he mustn't have been limbering we mustn't have been limbering you mustn't have been limbering they mustn't have been limbering

Interrogative form

Simple form	V-ing form
must I limber? must you limber? must he limber? must we limber? must you limber? must they limber?	must I be limbering? must you be limbering? must he 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 he 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 he 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
mustn't I limber? mustn't you limber? mustn't he limber? mustn't we limber? mustn't you limber? mustn't they limber?	mustn't I be limbering? mustn't you be limbering? mustn't he be limbering? mustn't we be limbering? mustn't you be limbering? mustn't they be limbering?
Perfect	V-ing perfect
mustn't I have limbered? mustn't you have limbered? mustn't he have limbered? mustn't we have limbered? mustn't you have limbered? mustn't they have limbered?	mustn't I have been limbering? mustn't you have been limbering? mustn't he have been limbering? mustn't we have been limbering? mustn't you have been limbering? mustn't they have been limbering?