could spearhead
Verbo regular: spearhead - spearheaded- spearheaded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could spearhead
you could spearhead
he could spearhead
we could spearhead
you could spearhead
they could spearhead 	I could be spearheading
you could be spearheading
he could be spearheading
we could be spearheading
you could be spearheading
they could be spearheading	I could have spearheaded
you could have spearheaded
he could have spearheaded
we could have spearheaded
you could have spearheaded
they could have spearheaded	I could have been spearheading
you could have been spearheading
he could have been spearheading
we could have been spearheading
you could have been spearheading
they could have been spearheading	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not spearhead
you could not spearhead
he could not spearhead
we could not spearhead
you could not spearhead
they could not spearhead 	I could not be spearheading
you could not be spearheading
he could not be spearheading
we could not be spearheading
you could not be spearheading
they could not be spearheading	I could not have spearheaded
you could not have spearheaded
he could not have spearheaded
we could not have spearheaded
you could not have spearheaded
they could not have spearheaded	I could not have been spearheading
you could not have been spearheading
he could not have been spearheading
we could not have been spearheading
you could not have been spearheading
they could not have been spearheading	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I spearhead?
could you spearhead?
could he spearhead?
could we spearhead?
could you spearhead?
could they spearhead? 	could I be spearheading?
could you be spearheading?
could he be spearheading?
could we be spearheading?
could you be spearheading?
could they be spearheading? 	could I have spearheaded?
could you have spearheaded?
could he have spearheaded?
could we have spearheaded?
could you have spearheaded?
could they have spearheaded? 	could I have been spearheading?
could you have been spearheading?
could he have been spearheading?
could we have been spearheading?
could you have been spearheading?
could they have been spearheading? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not spearhead?
could you not spearhead?
could he not spearhead?
could we not spearhead?
could you not spearhead?
could they not spearhead? 	could I not be spearheading?
could you not be spearheading?
could he not be spearheading?
could we not be spearheading?
could you not be spearheading?
could they not be spearheading? 	could I not have spearheaded?
could you not have spearheaded?
could he not have spearheaded?
could we not have spearheaded?
could you not have spearheaded?
could they not have spearheaded? 	could I not have been spearheading?
could you not have been spearheading?
could he not have been spearheading?
could we not have been spearheading?
could you not have been spearheading?
could they not have been spearheading?