must showcase
Verbe régulier : showcase - showcased- showcased
Traduction française : servir de vitrine à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must showcase
you must showcase
she must showcase
we must showcase
you must showcase
they must showcase 	I must be showcasing
you must be showcasing
she must be showcasing
we must be showcasing
you must be showcasing
they must be showcasing	I must have showcased
you must have showcased
she must have showcased
we must have showcased
you must have showcased
they must have showcased	I must have been showcasing
you must have been showcasing
she must have been showcasing
we must have been showcasing
you must have been showcasing
they must have been showcasing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't showcase
you mustn't showcase
she mustn't showcase
we mustn't showcase
you mustn't showcase
they mustn't showcase 	I mustn't be showcasing
you mustn't be showcasing
she mustn't be showcasing
we mustn't be showcasing
you mustn't be showcasing
they mustn't be showcasing	I mustn't have showcased
you mustn't have showcased
she mustn't have showcased
we mustn't have showcased
you mustn't have showcased
they mustn't have showcased	I mustn't have been showcasing
you mustn't have been showcasing
she mustn't have been showcasing
we mustn't have been showcasing
you mustn't have been showcasing
they mustn't have been showcasing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I showcase?
must you showcase?
must she showcase?
must we showcase?
must you showcase?
must they showcase? 	must I be showcasing?
must you be showcasing?
must she be showcasing?
must we be showcasing?
must you be showcasing?
must they be showcasing? 	must I have showcased?
must you have showcased?
must she have showcased?
must we have showcased?
must you have showcased?
must they have showcased? 	must I have been showcasing?
must you have been showcasing?
must she have been showcasing?
must we have been showcasing?
must you have been showcasing?
must they have been showcasing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I showcase?
mustn't you showcase?
mustn't she showcase?
mustn't we showcase?
mustn't you showcase?
mustn't they showcase? 	mustn't I be showcasing?
mustn't you be showcasing?
mustn't she be showcasing?
mustn't we be showcasing?
mustn't you be showcasing?
mustn't they be showcasing? 	mustn't I have showcased?
mustn't you have showcased?
mustn't she have showcased?
mustn't we have showcased?
mustn't you have showcased?
mustn't they have showcased? 	mustn't I have been showcasing?
mustn't you have been showcasing?
mustn't she have been showcasing?
mustn't we have been showcasing?
mustn't you have been showcasing?
mustn't they have been showcasing?