must preview
Verbe régulier : preview - previewed- previewed
Traduction française : donner en avant-première 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preview
you must preview
she must preview
we must preview
you must preview
they must preview 	I must be previewing
you must be previewing
she must be previewing
we must be previewing
you must be previewing
they must be previewing	I must have previewed
you must have previewed
she must have previewed
we must have previewed
you must have previewed
they must have previewed	I must have been previewing
you must have been previewing
she must have been previewing
we must have been previewing
you must have been previewing
they must have been previewing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't preview
you mustn't preview
she mustn't preview
we mustn't preview
you mustn't preview
they mustn't preview 	I mustn't be previewing
you mustn't be previewing
she mustn't be previewing
we mustn't be previewing
you mustn't be previewing
they mustn't be previewing	I mustn't have previewed
you mustn't have previewed
she mustn't have previewed
we mustn't have previewed
you mustn't have previewed
they mustn't have previewed	I mustn't have been previewing
you mustn't have been previewing
she mustn't have been previewing
we mustn't have been previewing
you mustn't have been previewing
they mustn't have been previewing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preview?
must you preview?
must she preview?
must we preview?
must you preview?
must they preview? 	must I be previewing?
must you be previewing?
must she be previewing?
must we be previewing?
must you be previewing?
must they be previewing? 	must I have previewed?
must you have previewed?
must she have previewed?
must we have previewed?
must you have previewed?
must they have previewed? 	must I have been previewing?
must you have been previewing?
must she have been previewing?
must we have been previewing?
must you have been previewing?
must they have been previewing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I preview?
mustn't you preview?
mustn't she preview?
mustn't we preview?
mustn't you preview?
mustn't they preview? 	mustn't I be previewing?
mustn't you be previewing?
mustn't she be previewing?
mustn't we be previewing?
mustn't you be previewing?
mustn't they be previewing? 	mustn't I have previewed?
mustn't you have previewed?
mustn't she have previewed?
mustn't we have previewed?
mustn't you have previewed?
mustn't they have previewed? 	mustn't I have been previewing?
mustn't you have been previewing?
mustn't she have been previewing?
mustn't we have been previewing?
mustn't you have been previewing?
mustn't they have been previewing?