should spearhead
Regular verb: spearhead - spearheaded- spearheaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd spearhead
you'd spearhead
he'd spearhead
we'd spearhead
you'd spearhead
they'd spearhead 	I'd be spearheading
you'd be spearheading
he'd be spearheading
we'd be spearheading
you'd be spearheading
they'd be spearheading	I should've spearheaded
you should've spearheaded
he should've spearheaded
we should've spearheaded
you should've spearheaded
they should've spearheaded	I should've been spearheading
you should've been spearheading
he should've been spearheading
we should've been spearheading
you should've been spearheading
they should've been spearheading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't spearhead
you shouldn't spearhead
he shouldn't spearhead
we shouldn't spearhead
you shouldn't spearhead
they shouldn't spearhead 	I shouldn't be spearheading
you shouldn't be spearheading
he shouldn't be spearheading
we shouldn't be spearheading
you shouldn't be spearheading
they shouldn't be spearheading	I shouldn't have spearheaded
you shouldn't have spearheaded
he shouldn't have spearheaded
we shouldn't have spearheaded
you shouldn't have spearheaded
they shouldn't have spearheaded	I shouldn't have been spearheading
you shouldn't have been spearheading
he shouldn't have been spearheading
we shouldn't have been spearheading
you shouldn't have been spearheading
they shouldn't have been spearheading	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I spearhead?
shouldn't you spearhead?
shouldn't he spearhead?
shouldn't we spearhead?
shouldn't you spearhead?
shouldn't they spearhead? 	shouldn't I be spearheading?
shouldn't you be spearheading?
shouldn't he be spearheading?
shouldn't we be spearheading?
shouldn't you be spearheading?
shouldn't they be spearheading? 	shouldn't I have spearheaded?
shouldn't you have spearheaded?
shouldn't he have spearheaded?
shouldn't we have spearheaded?
shouldn't you have spearheaded?
shouldn't they have spearheaded? 	shouldn't I have been spearheading?
shouldn't you have been spearheading?
shouldn't he have been spearheading?
shouldn't we have been spearheading?
shouldn't you have been spearheading?
shouldn't they have been spearheading?