English verb conjugation
SHOULD SPEARHEAD

Regular verb: spearhead - spearheaded - spearheaded

Affirmation

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

Negation

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