English verb conjugation MUST SPEARHEAD

Regular verb: spearhead - spearheaded - spearheaded

Affirmation

Simple form

I must spearhead
you must spearhead
she must spearhead
we must spearhead
you must spearhead
they must spearhead

V-ing form

I must be spearheading
you must be spearheading
she must be spearheading
we must be spearheading
you must be spearheading
they must be spearheading

Perfect

I must have spearheaded
you must have spearheaded
she must have spearheaded
we must have spearheaded
you must have spearheaded
they must have spearheaded

V-ing perfect

I must have been spearheading
you must have been spearheading
she must have been spearheading
we must have been spearheading
you must have been spearheading
they must have been spearheading

Negation

Simple form

I mustn't spearhead
you mustn't spearhead
she mustn't spearhead
we mustn't spearhead
you mustn't spearhead
they mustn't spearhead

V-ing form

I mustn't be spearheading
you mustn't be spearheading
she mustn't be spearheading
we mustn't be spearheading
you mustn't be spearheading
they mustn't be spearheading

Perfect

I mustn't have spearheaded
you mustn't have spearheaded
she mustn't have spearheaded
we mustn't have spearheaded
you mustn't have spearheaded
they mustn't have spearheaded

V-ing perfect

I mustn't have been spearheading
you mustn't have been spearheading
she mustn't have been spearheading
we mustn't have been spearheading
you mustn't have been spearheading
they mustn't have been spearheading

Interrogative form

Simple form

must I spearhead?
must you spearhead?
must she spearhead?
must we spearhead?
must you spearhead?
must they spearhead?

V-ing form

must I be spearheading?
must you be spearheading?
must she be spearheading?
must we be spearheading?
must you be spearheading?
must they be spearheading?

Perfect

must I have spearheaded?
must you have spearheaded?
must she have spearheaded?
must we have spearheaded?
must you have spearheaded?
must they have spearheaded?

V-ing perfect

must I have been spearheading?
must you have been spearheading?
must she have been spearheading?
must we have been spearheading?
must you have been spearheading?
must they have been spearheading?

Interro-negative form

Simple form

mustn't I spearhead?
mustn't you spearhead?
mustn't she spearhead?
mustn't we spearhead?
mustn't you spearhead?
mustn't they spearhead?

V-ing form

mustn't I be spearheading?
mustn't you be spearheading?
mustn't she be spearheading?
mustn't we be spearheading?
mustn't you be spearheading?
mustn't they be spearheading?

Perfect

mustn't I have spearheaded?
mustn't you have spearheaded?
mustn't she have spearheaded?
mustn't we have spearheaded?
mustn't you have spearheaded?
mustn't they have spearheaded?

V-ing perfect

mustn't I have been spearheading?
mustn't you have been spearheading?
mustn't she have been spearheading?
mustn't we have been spearheading?
mustn't you have been spearheading?
mustn't they have been spearheading?

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