English verb conjugation
SHOULD SPEARHEAD

Regular verb: spearhead - spearheaded - spearheaded

Affirmation

Simple form	V-ing form
I'd spearhead you'd spearhead she'd spearhead we'd spearhead you'd spearhead they'd spearhead	I'd be spearheading you'd be spearheading she'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 she 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 she 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 she 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 she 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 she 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 she 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 she spearhead? should we spearhead? should you spearhead? should they spearhead?	should I be spearheading? should you be spearheading? should she 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 she 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 she 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 she 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 she 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 she 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 she have been spearheading? shouldn't we have been spearheading? shouldn't you have been spearheading? shouldn't they have been spearheading?