must launch
Verbe régulier : launch - launched- launched
Traduction française : mettre à la mer - lancer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must launch
you must launch
she must launch
we must launch
you must launch
they must launch 	I must be launching
you must be launching
she must be launching
we must be launching
you must be launching
they must be launching	I must have launched
you must have launched
she must have launched
we must have launched
you must have launched
they must have launched	I must have been launching
you must have been launching
she must have been launching
we must have been launching
you must have been launching
they must have been launching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not launch
you must not launch
she must not launch
we must not launch
you must not launch
they must not launch 	I must not be launching
you must not be launching
she must not be launching
we must not be launching
you must not be launching
they must not be launching	I must not have launched
you must not have launched
she must not have launched
we must not have launched
you must not have launched
they must not have launched	I must not have been launching
you must not have been launching
she must not have been launching
we must not have been launching
you must not have been launching
they must not have been launching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I launch?
must you launch?
must she launch?
must we launch?
must you launch?
must they launch? 	must I be launching?
must you be launching?
must she be launching?
must we be launching?
must you be launching?
must they be launching? 	must I have launched?
must you have launched?
must she have launched?
must we have launched?
must you have launched?
must they have launched? 	must I have been launching?
must you have been launching?
must she have been launching?
must we have been launching?
must you have been launching?
must they have been launching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not launch?
must you not launch?
must she not launch?
must we not launch?
must you not launch?
must they not launch? 	must I not be launching?
must you not be launching?
must she not be launching?
must we not be launching?
must you not be launching?
must they not be launching? 	must I not have launched?
must you not have launched?
must she not have launched?
must we not have launched?
must you not have launched?
must they not have launched? 	must I not have been launching?
must you not have been launching?
must she not have been launching?
must we not have been launching?
must you not have been launching?
must they not have been launching?