must crew
Verbe régulier : crew - crewed- crewed
Traduction française : armer (d'un équipage) - être l'équipier de quelqu'un 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must crew
you must crew
she must crew
we must crew
you must crew
they must crew 	I must be crewing
you must be crewing
she must be crewing
we must be crewing
you must be crewing
they must be crewing	I must have crewed
you must have crewed
she must have crewed
we must have crewed
you must have crewed
they must have crewed	I must have been crewing
you must have been crewing
she must have been crewing
we must have been crewing
you must have been crewing
they must have been crewing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't crew
you mustn't crew
she mustn't crew
we mustn't crew
you mustn't crew
they mustn't crew 	I mustn't be crewing
you mustn't be crewing
she mustn't be crewing
we mustn't be crewing
you mustn't be crewing
they mustn't be crewing	I mustn't have crewed
you mustn't have crewed
she mustn't have crewed
we mustn't have crewed
you mustn't have crewed
they mustn't have crewed	I mustn't have been crewing
you mustn't have been crewing
she mustn't have been crewing
we mustn't have been crewing
you mustn't have been crewing
they mustn't have been crewing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I crew?
must you crew?
must she crew?
must we crew?
must you crew?
must they crew? 	must I be crewing?
must you be crewing?
must she be crewing?
must we be crewing?
must you be crewing?
must they be crewing? 	must I have crewed?
must you have crewed?
must she have crewed?
must we have crewed?
must you have crewed?
must they have crewed? 	must I have been crewing?
must you have been crewing?
must she have been crewing?
must we have been crewing?
must you have been crewing?
must they have been crewing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I crew?
mustn't you crew?
mustn't she crew?
mustn't we crew?
mustn't you crew?
mustn't they crew? 	mustn't I be crewing?
mustn't you be crewing?
mustn't she be crewing?
mustn't we be crewing?
mustn't you be crewing?
mustn't they be crewing? 	mustn't I have crewed?
mustn't you have crewed?
mustn't she have crewed?
mustn't we have crewed?
mustn't you have crewed?
mustn't they have crewed? 	mustn't I have been crewing?
mustn't you have been crewing?
mustn't she have been crewing?
mustn't we have been crewing?
mustn't you have been crewing?
mustn't they have been crewing?