must spearhead
Verbo regolare: spearhead - spearheaded- spearheaded

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must spearhead
you must spearhead
he must spearhead
we must spearhead
you must spearhead
they must spearhead 	I must be spearheading
you must be spearheading
he must be spearheading
we must be spearheading
you must be spearheading
they must be spearheading	I must have spearheaded
you must have spearheaded
he must have spearheaded
we must have spearheaded
you must have spearheaded
they must have spearheaded	I must have been spearheading
you must have been spearheading
he must have been spearheading
we must have been spearheading
you must have been spearheading
they must have been spearheading	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't spearhead
you mustn't spearhead
he mustn't spearhead
we mustn't spearhead
you mustn't spearhead
they mustn't spearhead 	I mustn't be spearheading
you mustn't be spearheading
he mustn't be spearheading
we mustn't be spearheading
you mustn't be spearheading
they mustn't be spearheading	I mustn't have spearheaded
you mustn't have spearheaded
he mustn't have spearheaded
we mustn't have spearheaded
you mustn't have spearheaded
they mustn't have spearheaded	I mustn't have been spearheading
you mustn't have been spearheading
he mustn't have been spearheading
we mustn't have been spearheading
you mustn't have been spearheading
they mustn't have been spearheading	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I spearhead?
must you spearhead?
must he spearhead?
must we spearhead?
must you spearhead?
must they spearhead? 	must I be spearheading?
must you be spearheading?
must he be spearheading?
must we be spearheading?
must you be spearheading?
must they be spearheading? 	must I have spearheaded?
must you have spearheaded?
must he have spearheaded?
must we have spearheaded?
must you have spearheaded?
must they have spearheaded? 	must I have been spearheading?
must you have been spearheading?
must he have been spearheading?
must we have been spearheading?
must you have been spearheading?
must they have been spearheading? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I spearhead?
mustn't you spearhead?
mustn't he spearhead?
mustn't we spearhead?
mustn't you spearhead?
mustn't they spearhead? 	mustn't I be spearheading?
mustn't you be spearheading?
mustn't he be spearheading?
mustn't we be spearheading?
mustn't you be spearheading?
mustn't they be spearheading? 	mustn't I have spearheaded?
mustn't you have spearheaded?
mustn't he have spearheaded?
mustn't we have spearheaded?
mustn't you have spearheaded?
mustn't they have spearheaded? 	mustn't I have been spearheading?
mustn't you have been spearheading?
mustn't he have been spearheading?
mustn't we have been spearheading?
mustn't you have been spearheading?
mustn't they have been spearheading?