English verb conjugation MUST UNDERGIRD

Irregular verb: undergird - undergirt, undergirded - undergirt, undergirded

Affirmation

Simple form

I must undergird
you must undergird
he must undergird
we must undergird
you must undergird
they must undergird

V-ing form

I must be undergirding
you must be undergirding
he must be undergirding
we must be undergirding
you must be undergirding
they must be undergirding

Perfect

I must have undergirt, undergirded
you must have undergirt, undergirded
he must have undergirt, undergirded
we must have undergirt, undergirded
you must have undergirt, undergirded
they must have undergirt, undergirded

V-ing perfect

I must have been undergirding
you must have been undergirding
he must have been undergirding
we must have been undergirding
you must have been undergirding
they must have been undergirding

Negation

Simple form

I must not undergird
you must not undergird
he must not undergird
we must not undergird
you must not undergird
they must not undergird

V-ing form

I must not be undergirding
you must not be undergirding
he must not be undergirding
we must not be undergirding
you must not be undergirding
they must not be undergirding

Perfect

I must not have undergirt, undergirded
you must not have undergirt, undergirded
he must not have undergirt, undergirded
we must not have undergirt, undergirded
you must not have undergirt, undergirded
they must not have undergirt, undergirded

V-ing perfect

I must not have been undergirding
you must not have been undergirding
he must not have been undergirding
we must not have been undergirding
you must not have been undergirding
they must not have been undergirding

Interrogative form

Simple form

must I undergird?
must you undergird?
must he undergird?
must we undergird?
must you undergird?
must they undergird?

V-ing form

must I be undergirding?
must you be undergirding?
must he be undergirding?
must we be undergirding?
must you be undergirding?
must they be undergirding?

Perfect

must I have undergirt, undergirded?
must you have undergirt, undergirded?
must he have undergirt, undergirded?
must we have undergirt, undergirded?
must you have undergirt, undergirded?
must they have undergirt, undergirded?

V-ing perfect

must I have been undergirding?
must you have been undergirding?
must he have been undergirding?
must we have been undergirding?
must you have been undergirding?
must they have been undergirding?

Interro-negative form

Simple form

must I not undergird?
must you not undergird?
must he not undergird?
must we not undergird?
must you not undergird?
must they not undergird?

V-ing form

must I not be undergirding?
must you not be undergirding?
must he not be undergirding?
must we not be undergirding?
must you not be undergirding?
must they not be undergirding?

Perfect

must I not have undergirt, undergirded?
must you not have undergirt, undergirded?
must he not have undergirt, undergirded?
must we not have undergirt, undergirded?
must you not have undergirt, undergirded?
must they not have undergirt, undergirded?

V-ing perfect

must I not have been undergirding?
must you not have been undergirding?
must he not have been undergirding?
must we not have been undergirding?
must you not have been undergirding?
must they not have been undergirding?

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