must overplan
Verbe régulier : overplan - overplaned- overplaned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must overplan
you must overplan
he must overplan
we must overplan
you must overplan
they must overplan 	I must be overplaning
you must be overplaning
he must be overplaning
we must be overplaning
you must be overplaning
they must be overplaning	I must have overplaned
you must have overplaned
he must have overplaned
we must have overplaned
you must have overplaned
they must have overplaned	I must have been overplaning
you must have been overplaning
he must have been overplaning
we must have been overplaning
you must have been overplaning
they must have been overplaning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't overplan
you mustn't overplan
he mustn't overplan
we mustn't overplan
you mustn't overplan
they mustn't overplan 	I mustn't be overplaning
you mustn't be overplaning
he mustn't be overplaning
we mustn't be overplaning
you mustn't be overplaning
they mustn't be overplaning	I mustn't have overplaned
you mustn't have overplaned
he mustn't have overplaned
we mustn't have overplaned
you mustn't have overplaned
they mustn't have overplaned	I mustn't have been overplaning
you mustn't have been overplaning
he mustn't have been overplaning
we mustn't have been overplaning
you mustn't have been overplaning
they mustn't have been overplaning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I overplan?
must you overplan?
must he overplan?
must we overplan?
must you overplan?
must they overplan? 	must I be overplaning?
must you be overplaning?
must he be overplaning?
must we be overplaning?
must you be overplaning?
must they be overplaning? 	must I have overplaned?
must you have overplaned?
must he have overplaned?
must we have overplaned?
must you have overplaned?
must they have overplaned? 	must I have been overplaning?
must you have been overplaning?
must he have been overplaning?
must we have been overplaning?
must you have been overplaning?
must they have been overplaning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I overplan?
mustn't you overplan?
mustn't he overplan?
mustn't we overplan?
mustn't you overplan?
mustn't they overplan? 	mustn't I be overplaning?
mustn't you be overplaning?
mustn't he be overplaning?
mustn't we be overplaning?
mustn't you be overplaning?
mustn't they be overplaning? 	mustn't I have overplaned?
mustn't you have overplaned?
mustn't he have overplaned?
mustn't we have overplaned?
mustn't you have overplaned?
mustn't they have overplaned? 	mustn't I have been overplaning?
mustn't you have been overplaning?
mustn't he have been overplaning?
mustn't we have been overplaning?
mustn't you have been overplaning?
mustn't they have been overplaning?