Conjugação do verbo inglês
MUST SPEARHEAD

Verbo regular: spearhead - spearheaded - spearheaded

Afirmação

Forma simple	Forma com V-ing
I must spearhead you must spearhead she must spearhead we must spearhead you must spearhead they must spearhead	I must be spearheading you must be spearheading she must be spearheading we must be spearheading you must be spearheading they must be spearheading
Perfeito	Perfeito com V-ing
I must have spearheaded you must have spearheaded she 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 she must have been spearheading we must have been spearheading you must have been spearheading they must have been spearheading

Negação

Forma simple	Forma com V-ing
I mustn't spearhead you mustn't spearhead she 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 she mustn't be spearheading we mustn't be spearheading you mustn't be spearheading they mustn't be spearheading
Perfeito	Perfeito com V-ing
I mustn't have spearheaded you mustn't have spearheaded she 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 she 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 simple	Forma com V-ing
must I spearhead? must you spearhead? must she spearhead? must we spearhead? must you spearhead? must they spearhead?	must I be spearheading? must you be spearheading? must she be spearheading? must we be spearheading? must you be spearheading? must they be spearheading?
Perfeito	Perfeito com V-ing
must I have spearheaded? must you have spearheaded? must she 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 she have been spearheading? must we have been spearheading? must you have been spearheading? must they have been spearheading?

Forma interro-Negação

Forma simple	Forma com V-ing
mustn't I spearhead? mustn't you spearhead? mustn't she 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 she be spearheading? mustn't we be spearheading? mustn't you be spearheading? mustn't they be spearheading?
Perfeito	Perfeito com V-ing
mustn't I have spearheaded? mustn't you have spearheaded? mustn't she 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 she have been spearheading? mustn't we have been spearheading? mustn't you have been spearheading? mustn't they have been spearheading?