English verb conjugation MUST FORERUN

Irregular verb: forerun - foreran - forerun

Affirmation

Simple form

I must forerun
you must forerun
she must forerun
we must forerun
you must forerun
they must forerun

V-ing form

I must be foreruning
you must be foreruning
she must be foreruning
we must be foreruning
you must be foreruning
they must be foreruning

Perfect

I must have forerun
you must have forerun
she must have forerun
we must have forerun
you must have forerun
they must have forerun

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I forerun?
must you forerun?
must she forerun?
must we forerun?
must you forerun?
must they forerun?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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