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
he must preview
we must preview
you must preview
they must preview 	I must be previewing
you must be previewing
he must be previewing
we must be previewing
you must be previewing
they must be previewing	I must have previewed
you must have previewed
he 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
he 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
he 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
he 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
he 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
he 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 he preview?
must we preview?
must you preview?
must they preview? 	must I be previewing?
must you be previewing?
must he be previewing?
must we be previewing?
must you be previewing?
must they be previewing? 	must I have previewed?
must you have previewed?
must he 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 he 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 he 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 he 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 he 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 he have been previewing?
mustn't we have been previewing?
mustn't you have been previewing?
mustn't they have been previewing?