must cheapen
Verbe régulier : cheapen - cheapened- cheapened
Traduction française : abaisser - devenir moins cher 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must cheapen
you must cheapen
she must cheapen
we must cheapen
you must cheapen
they must cheapen 	I must be cheapening
you must be cheapening
she must be cheapening
we must be cheapening
you must be cheapening
they must be cheapening	I must have cheapened
you must have cheapened
she must have cheapened
we must have cheapened
you must have cheapened
they must have cheapened	I must have been cheapening
you must have been cheapening
she must have been cheapening
we must have been cheapening
you must have been cheapening
they must have been cheapening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't cheapen
you mustn't cheapen
she mustn't cheapen
we mustn't cheapen
you mustn't cheapen
they mustn't cheapen 	I mustn't be cheapening
you mustn't be cheapening
she mustn't be cheapening
we mustn't be cheapening
you mustn't be cheapening
they mustn't be cheapening	I mustn't have cheapened
you mustn't have cheapened
she mustn't have cheapened
we mustn't have cheapened
you mustn't have cheapened
they mustn't have cheapened	I mustn't have been cheapening
you mustn't have been cheapening
she mustn't have been cheapening
we mustn't have been cheapening
you mustn't have been cheapening
they mustn't have been cheapening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cheapen?
must you cheapen?
must she cheapen?
must we cheapen?
must you cheapen?
must they cheapen? 	must I be cheapening?
must you be cheapening?
must she be cheapening?
must we be cheapening?
must you be cheapening?
must they be cheapening? 	must I have cheapened?
must you have cheapened?
must she have cheapened?
must we have cheapened?
must you have cheapened?
must they have cheapened? 	must I have been cheapening?
must you have been cheapening?
must she have been cheapening?
must we have been cheapening?
must you have been cheapening?
must they have been cheapening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I cheapen?
mustn't you cheapen?
mustn't she cheapen?
mustn't we cheapen?
mustn't you cheapen?
mustn't they cheapen? 	mustn't I be cheapening?
mustn't you be cheapening?
mustn't she be cheapening?
mustn't we be cheapening?
mustn't you be cheapening?
mustn't they be cheapening? 	mustn't I have cheapened?
mustn't you have cheapened?
mustn't she have cheapened?
mustn't we have cheapened?
mustn't you have cheapened?
mustn't they have cheapened? 	mustn't I have been cheapening?
mustn't you have been cheapening?
mustn't she have been cheapening?
mustn't we have been cheapening?
mustn't you have been cheapening?
mustn't they have been cheapening?