English verb conjugation
SHOULD SPEARHEAD

Regular verb: spearhead - spearheaded - spearheaded

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?