must manage
Regular verb: manage - managed- managed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must manage
you must manage
she must manage
we must manage
you must manage
they must manage 	I must be managing
you must be managing
she must be managing
we must be managing
you must be managing
they must be managing	I must have managed
you must have managed
she must have managed
we must have managed
you must have managed
they must have managed	I must have been managing
you must have been managing
she must have been managing
we must have been managing
you must have been managing
they must have been managing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't manage
you mustn't manage
she mustn't manage
we mustn't manage
you mustn't manage
they mustn't manage 	I mustn't be managing
you mustn't be managing
she mustn't be managing
we mustn't be managing
you mustn't be managing
they mustn't be managing	I mustn't have managed
you mustn't have managed
she mustn't have managed
we mustn't have managed
you mustn't have managed
they mustn't have managed	I mustn't have been managing
you mustn't have been managing
she mustn't have been managing
we mustn't have been managing
you mustn't have been managing
they mustn't have been managing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I manage?
must you manage?
must she manage?
must we manage?
must you manage?
must they manage? 	must I be managing?
must you be managing?
must she be managing?
must we be managing?
must you be managing?
must they be managing? 	must I have managed?
must you have managed?
must she have managed?
must we have managed?
must you have managed?
must they have managed? 	must I have been managing?
must you have been managing?
must she have been managing?
must we have been managing?
must you have been managing?
must they have been managing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I manage?
mustn't you manage?
mustn't she manage?
mustn't we manage?
mustn't you manage?
mustn't they manage? 	mustn't I be managing?
mustn't you be managing?
mustn't she be managing?
mustn't we be managing?
mustn't you be managing?
mustn't they be managing? 	mustn't I have managed?
mustn't you have managed?
mustn't she have managed?
mustn't we have managed?
mustn't you have managed?
mustn't they have managed? 	mustn't I have been managing?
mustn't you have been managing?
mustn't she have been managing?
mustn't we have been managing?
mustn't you have been managing?
mustn't they have been managing?