English verb conjugation MUST SPALL

Regular verb: spall - spalled - spalled

Affirmation

Simple form

I must spall
you must spall
he must spall
we must spall
you must spall
they must spall

V-ing form

I must be spalling
you must be spalling
he must be spalling
we must be spalling
you must be spalling
they must be spalling

Perfect

I must have spalled
you must have spalled
he must have spalled
we must have spalled
you must have spalled
they must have spalled

V-ing perfect

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

Negation

Simple form

I mustn't spall
you mustn't spall
he mustn't spall
we mustn't spall
you mustn't spall
they mustn't spall

V-ing form

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

Perfect

I mustn't have spalled
you mustn't have spalled
he mustn't have spalled
we mustn't have spalled
you mustn't have spalled
they mustn't have spalled

V-ing perfect

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

Interrogative form

Simple form

must I spall?
must you spall?
must he spall?
must we spall?
must you spall?
must they spall?

V-ing form

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

Perfect

must I have spalled?
must you have spalled?
must he have spalled?
must we have spalled?
must you have spalled?
must they have spalled?

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

mustn't I have spalled?
mustn't you have spalled?
mustn't he have spalled?
mustn't we have spalled?
mustn't you have spalled?
mustn't they have spalled?

V-ing perfect

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

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