must siege
Verbe régulier : siege - sieged- sieged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must siege
you must siege
he must siege
we must siege
you must siege
they must siege 	I must be sieging
you must be sieging
he must be sieging
we must be sieging
you must be sieging
they must be sieging	I must have sieged
you must have sieged
he must have sieged
we must have sieged
you must have sieged
they must have sieged	I must have been sieging
you must have been sieging
he must have been sieging
we must have been sieging
you must have been sieging
they must have been sieging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't siege
you mustn't siege
he mustn't siege
we mustn't siege
you mustn't siege
they mustn't siege 	I mustn't be sieging
you mustn't be sieging
he mustn't be sieging
we mustn't be sieging
you mustn't be sieging
they mustn't be sieging	I mustn't have sieged
you mustn't have sieged
he mustn't have sieged
we mustn't have sieged
you mustn't have sieged
they mustn't have sieged	I mustn't have been sieging
you mustn't have been sieging
he mustn't have been sieging
we mustn't have been sieging
you mustn't have been sieging
they mustn't have been sieging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I siege?
must you siege?
must he siege?
must we siege?
must you siege?
must they siege? 	must I be sieging?
must you be sieging?
must he be sieging?
must we be sieging?
must you be sieging?
must they be sieging? 	must I have sieged?
must you have sieged?
must he have sieged?
must we have sieged?
must you have sieged?
must they have sieged? 	must I have been sieging?
must you have been sieging?
must he have been sieging?
must we have been sieging?
must you have been sieging?
must they have been sieging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I siege?
mustn't you siege?
mustn't he siege?
mustn't we siege?
mustn't you siege?
mustn't they siege? 	mustn't I be sieging?
mustn't you be sieging?
mustn't he be sieging?
mustn't we be sieging?
mustn't you be sieging?
mustn't they be sieging? 	mustn't I have sieged?
mustn't you have sieged?
mustn't he have sieged?
mustn't we have sieged?
mustn't you have sieged?
mustn't they have sieged? 	mustn't I have been sieging?
mustn't you have been sieging?
mustn't he have been sieging?
mustn't we have been sieging?
mustn't you have been sieging?
mustn't they have been sieging?