must crispen
Verbe régulier : crispen - crispened- crispened

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must crispen
you must crispen
he must crispen
we must crispen
you must crispen
they must crispen 	I must be crispening
you must be crispening
he must be crispening
we must be crispening
you must be crispening
they must be crispening	I must have crispened
you must have crispened
he must have crispened
we must have crispened
you must have crispened
they must have crispened	I must have been crispening
you must have been crispening
he must have been crispening
we must have been crispening
you must have been crispening
they must have been crispening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't crispen
you mustn't crispen
he mustn't crispen
we mustn't crispen
you mustn't crispen
they mustn't crispen 	I mustn't be crispening
you mustn't be crispening
he mustn't be crispening
we mustn't be crispening
you mustn't be crispening
they mustn't be crispening	I mustn't have crispened
you mustn't have crispened
he mustn't have crispened
we mustn't have crispened
you mustn't have crispened
they mustn't have crispened	I mustn't have been crispening
you mustn't have been crispening
he mustn't have been crispening
we mustn't have been crispening
you mustn't have been crispening
they mustn't have been crispening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I crispen?
must you crispen?
must he crispen?
must we crispen?
must you crispen?
must they crispen? 	must I be crispening?
must you be crispening?
must he be crispening?
must we be crispening?
must you be crispening?
must they be crispening? 	must I have crispened?
must you have crispened?
must he have crispened?
must we have crispened?
must you have crispened?
must they have crispened? 	must I have been crispening?
must you have been crispening?
must he have been crispening?
must we have been crispening?
must you have been crispening?
must they have been crispening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I crispen?
mustn't you crispen?
mustn't he crispen?
mustn't we crispen?
mustn't you crispen?
mustn't they crispen? 	mustn't I be crispening?
mustn't you be crispening?
mustn't he be crispening?
mustn't we be crispening?
mustn't you be crispening?
mustn't they be crispening? 	mustn't I have crispened?
mustn't you have crispened?
mustn't he have crispened?
mustn't we have crispened?
mustn't you have crispened?
mustn't they have crispened? 	mustn't I have been crispening?
mustn't you have been crispening?
mustn't he have been crispening?
mustn't we have been crispening?
mustn't you have been crispening?
mustn't they have been crispening?