must launch
Verbo regular: launch - launched- launched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must launch
you must launch
he must launch
we must launch
you must launch
they must launch 	I must be launching
you must be launching
he must be launching
we must be launching
you must be launching
they must be launching	I must have launched
you must have launched
he 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
he must have been launching
we must have been launching
you must have been launching
they must have been launching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not launch
you must not launch
he 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
he 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
he 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
he must not have been launching
we must not have been launching
you must not have been launching
they must not have been launching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I launch?
must you launch?
must he launch?
must we launch?
must you launch?
must they launch? 	must I be launching?
must you be launching?
must he be launching?
must we be launching?
must you be launching?
must they be launching? 	must I have launched?
must you have launched?
must he 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 he have been launching?
must we have been launching?
must you have been launching?
must they have been launching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not launch?
must you not launch?
must he 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 he 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 he 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 he not have been launching?
must we not have been launching?
must you not have been launching?
must they not have been launching?