must skipper
Verbe régulier : skipper - skippered- skippered
Traduction française : commander - être le capitaine de 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must skipper
you must skipper
he must skipper
we must skipper
you must skipper
they must skipper 	I must be skippering
you must be skippering
he must be skippering
we must be skippering
you must be skippering
they must be skippering	I must have skippered
you must have skippered
he must have skippered
we must have skippered
you must have skippered
they must have skippered	I must have been skippering
you must have been skippering
he must have been skippering
we must have been skippering
you must have been skippering
they must have been skippering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't skipper
you mustn't skipper
he mustn't skipper
we mustn't skipper
you mustn't skipper
they mustn't skipper 	I mustn't be skippering
you mustn't be skippering
he mustn't be skippering
we mustn't be skippering
you mustn't be skippering
they mustn't be skippering	I mustn't have skippered
you mustn't have skippered
he mustn't have skippered
we mustn't have skippered
you mustn't have skippered
they mustn't have skippered	I mustn't have been skippering
you mustn't have been skippering
he mustn't have been skippering
we mustn't have been skippering
you mustn't have been skippering
they mustn't have been skippering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I skipper?
must you skipper?
must he skipper?
must we skipper?
must you skipper?
must they skipper? 	must I be skippering?
must you be skippering?
must he be skippering?
must we be skippering?
must you be skippering?
must they be skippering? 	must I have skippered?
must you have skippered?
must he have skippered?
must we have skippered?
must you have skippered?
must they have skippered? 	must I have been skippering?
must you have been skippering?
must he have been skippering?
must we have been skippering?
must you have been skippering?
must they have been skippering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I skipper?
mustn't you skipper?
mustn't he skipper?
mustn't we skipper?
mustn't you skipper?
mustn't they skipper? 	mustn't I be skippering?
mustn't you be skippering?
mustn't he be skippering?
mustn't we be skippering?
mustn't you be skippering?
mustn't they be skippering? 	mustn't I have skippered?
mustn't you have skippered?
mustn't he have skippered?
mustn't we have skippered?
mustn't you have skippered?
mustn't they have skippered? 	mustn't I have been skippering?
mustn't you have been skippering?
mustn't he have been skippering?
mustn't we have been skippering?
mustn't you have been skippering?
mustn't they have been skippering?