must cross-check
Verbe régulier : cross-check - cross-checked- cross-checked
Traduction française : contrôler (par contre-épreuve ou par recoupement) - vérifier par recoupement 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must cross-check
you must cross-check
he must cross-check
we must cross-check
you must cross-check
they must cross-check 	I must be cross-checking
you must be cross-checking
he must be cross-checking
we must be cross-checking
you must be cross-checking
they must be cross-checking	I must have cross-checked
you must have cross-checked
he must have cross-checked
we must have cross-checked
you must have cross-checked
they must have cross-checked	I must have been cross-checking
you must have been cross-checking
he must have been cross-checking
we must have been cross-checking
you must have been cross-checking
they must have been cross-checking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't cross-check
you mustn't cross-check
he mustn't cross-check
we mustn't cross-check
you mustn't cross-check
they mustn't cross-check 	I mustn't be cross-checking
you mustn't be cross-checking
he mustn't be cross-checking
we mustn't be cross-checking
you mustn't be cross-checking
they mustn't be cross-checking	I mustn't have cross-checked
you mustn't have cross-checked
he mustn't have cross-checked
we mustn't have cross-checked
you mustn't have cross-checked
they mustn't have cross-checked	I mustn't have been cross-checking
you mustn't have been cross-checking
he mustn't have been cross-checking
we mustn't have been cross-checking
you mustn't have been cross-checking
they mustn't have been cross-checking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cross-check?
must you cross-check?
must he cross-check?
must we cross-check?
must you cross-check?
must they cross-check? 	must I be cross-checking?
must you be cross-checking?
must he be cross-checking?
must we be cross-checking?
must you be cross-checking?
must they be cross-checking? 	must I have cross-checked?
must you have cross-checked?
must he have cross-checked?
must we have cross-checked?
must you have cross-checked?
must they have cross-checked? 	must I have been cross-checking?
must you have been cross-checking?
must he have been cross-checking?
must we have been cross-checking?
must you have been cross-checking?
must they have been cross-checking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I cross-check?
mustn't you cross-check?
mustn't he cross-check?
mustn't we cross-check?
mustn't you cross-check?
mustn't they cross-check? 	mustn't I be cross-checking?
mustn't you be cross-checking?
mustn't he be cross-checking?
mustn't we be cross-checking?
mustn't you be cross-checking?
mustn't they be cross-checking? 	mustn't I have cross-checked?
mustn't you have cross-checked?
mustn't he have cross-checked?
mustn't we have cross-checked?
mustn't you have cross-checked?
mustn't they have cross-checked? 	mustn't I have been cross-checking?
mustn't you have been cross-checking?
mustn't he have been cross-checking?
mustn't we have been cross-checking?
mustn't you have been cross-checking?
mustn't they have been cross-checking?