English verb conjugation MUST SPELL

Irregular verb: spell - spelled, spelt - spelled, spelt


Affirmation

Simple form

I must spell
you must spell
he must spell
we must spell
you must spell
they must spell

V-ing form

I must be spelling
you must be spelling
he must be spelling
we must be spelling
you must be spelling
they must be spelling

Perfect

I must have spelled, spelt
you must have spelled, spelt
he must have spelled, spelt
we must have spelled, spelt
you must have spelled, spelt
they must have spelled, spelt

V-ing perfect

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

Negation

Simple form

I must not spell
you must not spell
he must not spell
we must not spell
you must not spell
they must not spell

V-ing form

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

Perfect

I must not have spelled, spelt
you must not have spelled, spelt
he must not have spelled, spelt
we must not have spelled, spelt
you must not have spelled, spelt
they must not have spelled, spelt

V-ing perfect

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

Interrogative form

Simple form

must I spell?
must you spell?
must he spell?
must we spell?
must you spell?
must they spell?

V-ing form

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

Perfect

must I have spelled, spelt?
must you have spelled, spelt?
must he have spelled, spelt?
must we have spelled, spelt?
must you have spelled, spelt?
must they have spelled, spelt?

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

must I not have spelled, spelt?
must you not have spelled, spelt?
must he not have spelled, spelt?
must we not have spelled, spelt?
must you not have spelled, spelt?
must they not have spelled, spelt?

V-ing perfect

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