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 mustn't spell
you mustn't spell
he mustn't spell
we mustn't spell
you mustn't spell
they mustn't spell

V-ing form

I mustn't be spelling
you mustn't be spelling
he mustn't be spelling
we mustn't be spelling
you mustn't be spelling
they mustn't be spelling

Perfect

I mustn't have spelled, spelt
you mustn't have spelled, spelt
he mustn't have spelled, spelt
we mustn't have spelled, spelt
you mustn't have spelled, spelt
they mustn't have spelled, spelt

V-ing perfect

I mustn't have been spelling
you mustn't have been spelling
he mustn't have been spelling
we mustn't have been spelling
you mustn't have been spelling
they mustn't 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

mustn't I spell?
mustn't you spell?
mustn't he spell?
mustn't we spell?
mustn't you spell?
mustn't they spell?

V-ing form

mustn't I be spelling?
mustn't you be spelling?
mustn't he be spelling?
mustn't we be spelling?
mustn't you be spelling?
mustn't they be spelling?

Perfect

mustn't I have spelled, spelt?
mustn't you have spelled, spelt?
mustn't he have spelled, spelt?
mustn't we have spelled, spelt?
mustn't you have spelled, spelt?
mustn't they have spelled, spelt?

V-ing perfect

mustn't I have been spelling?
mustn't you have been spelling?
mustn't he have been spelling?
mustn't we have been spelling?
mustn't you have been spelling?
mustn't they have been spelling?