must curr
Verbe régulier : curr - curred- curred

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must curr
you must curr
he must curr
we must curr
you must curr
they must curr 	I must be curring
you must be curring
he must be curring
we must be curring
you must be curring
they must be curring	I must have curred
you must have curred
he must have curred
we must have curred
you must have curred
they must have curred	I must have been curring
you must have been curring
he must have been curring
we must have been curring
you must have been curring
they must have been curring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't curr
you mustn't curr
he mustn't curr
we mustn't curr
you mustn't curr
they mustn't curr 	I mustn't be curring
you mustn't be curring
he mustn't be curring
we mustn't be curring
you mustn't be curring
they mustn't be curring	I mustn't have curred
you mustn't have curred
he mustn't have curred
we mustn't have curred
you mustn't have curred
they mustn't have curred	I mustn't have been curring
you mustn't have been curring
he mustn't have been curring
we mustn't have been curring
you mustn't have been curring
they mustn't have been curring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I curr?
must you curr?
must he curr?
must we curr?
must you curr?
must they curr? 	must I be curring?
must you be curring?
must he be curring?
must we be curring?
must you be curring?
must they be curring? 	must I have curred?
must you have curred?
must he have curred?
must we have curred?
must you have curred?
must they have curred? 	must I have been curring?
must you have been curring?
must he have been curring?
must we have been curring?
must you have been curring?
must they have been curring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I curr?
mustn't you curr?
mustn't he curr?
mustn't we curr?
mustn't you curr?
mustn't they curr? 	mustn't I be curring?
mustn't you be curring?
mustn't he be curring?
mustn't we be curring?
mustn't you be curring?
mustn't they be curring? 	mustn't I have curred?
mustn't you have curred?
mustn't he have curred?
mustn't we have curred?
mustn't you have curred?
mustn't they have curred? 	mustn't I have been curring?
mustn't you have been curring?
mustn't he have been curring?
mustn't we have been curring?
mustn't you have been curring?
mustn't they have been curring?