must cupel
Verbe régulier : cupel - cupeled- cupeled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must cupel
you must cupel
he must cupel
we must cupel
you must cupel
they must cupel 	I must be cupeling
you must be cupeling
he must be cupeling
we must be cupeling
you must be cupeling
they must be cupeling	I must have cupeled
you must have cupeled
he must have cupeled
we must have cupeled
you must have cupeled
they must have cupeled	I must have been cupeling
you must have been cupeling
he must have been cupeling
we must have been cupeling
you must have been cupeling
they must have been cupeling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't cupel
you mustn't cupel
he mustn't cupel
we mustn't cupel
you mustn't cupel
they mustn't cupel 	I mustn't be cupeling
you mustn't be cupeling
he mustn't be cupeling
we mustn't be cupeling
you mustn't be cupeling
they mustn't be cupeling	I mustn't have cupeled
you mustn't have cupeled
he mustn't have cupeled
we mustn't have cupeled
you mustn't have cupeled
they mustn't have cupeled	I mustn't have been cupeling
you mustn't have been cupeling
he mustn't have been cupeling
we mustn't have been cupeling
you mustn't have been cupeling
they mustn't have been cupeling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cupel?
must you cupel?
must he cupel?
must we cupel?
must you cupel?
must they cupel? 	must I be cupeling?
must you be cupeling?
must he be cupeling?
must we be cupeling?
must you be cupeling?
must they be cupeling? 	must I have cupeled?
must you have cupeled?
must he have cupeled?
must we have cupeled?
must you have cupeled?
must they have cupeled? 	must I have been cupeling?
must you have been cupeling?
must he have been cupeling?
must we have been cupeling?
must you have been cupeling?
must they have been cupeling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I cupel?
mustn't you cupel?
mustn't he cupel?
mustn't we cupel?
mustn't you cupel?
mustn't they cupel? 	mustn't I be cupeling?
mustn't you be cupeling?
mustn't he be cupeling?
mustn't we be cupeling?
mustn't you be cupeling?
mustn't they be cupeling? 	mustn't I have cupeled?
mustn't you have cupeled?
mustn't he have cupeled?
mustn't we have cupeled?
mustn't you have cupeled?
mustn't they have cupeled? 	mustn't I have been cupeling?
mustn't you have been cupeling?
mustn't he have been cupeling?
mustn't we have been cupeling?
mustn't you have been cupeling?
mustn't they have been cupeling?