can spearhead
Regular verb: spearhead - spearheaded- spearheaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can spearhead
you can spearhead
she can spearhead
we can spearhead
you can spearhead
they can spearhead 	I can be spearheading
you can be spearheading
she can be spearheading
we can be spearheading
you can be spearheading
they can be spearheading	I can have spearheaded
you can have spearheaded
she can have spearheaded
we can have spearheaded
you can have spearheaded
they can have spearheaded	I can have been spearheading
you can have been spearheading
she can have been spearheading
we can have been spearheading
you can have been spearheading
they can have been spearheading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot spearhead
you cannot spearhead
she cannot spearhead
we cannot spearhead
you cannot spearhead
they cannot spearhead 	I cannot be spearheading
you cannot be spearheading
she cannot be spearheading
we cannot be spearheading
you cannot be spearheading
they cannot be spearheading	I cannot have spearheaded
you cannot have spearheaded
she cannot have spearheaded
we cannot have spearheaded
you cannot have spearheaded
they cannot have spearheaded	I cannot have been spearheading
you cannot have been spearheading
she cannot have been spearheading
we cannot have been spearheading
you cannot have been spearheading
they cannot have been spearheading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I spearhead?
can you spearhead?
can she spearhead?
can we spearhead?
can you spearhead?
can they spearhead? 	can I be spearheading?
can you be spearheading?
can she be spearheading?
can we be spearheading?
can you be spearheading?
can they be spearheading? 	can I have spearheaded?
can you have spearheaded?
can she have spearheaded?
can we have spearheaded?
can you have spearheaded?
can they have spearheaded? 	can I have been spearheading?
can you have been spearheading?
can she have been spearheading?
can we have been spearheading?
can you have been spearheading?
can they have been spearheading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not spearhead?
can you not spearhead?
can she not spearhead?
can we not spearhead?
can you not spearhead?
can they not spearhead? 	can I not be spearheading?
can you not be spearheading?
can she not be spearheading?
can we not be spearheading?
can you not be spearheading?
can they not be spearheading? 	can I not have spearheaded?
can you not have spearheaded?
can she not have spearheaded?
can we not have spearheaded?
can you not have spearheaded?
can they not have spearheaded? 	can I not have been spearheading?
can you not have been spearheading?
can she not have been spearheading?
can we not have been spearheading?
can you not have been spearheading?
can they not have been spearheading?