English verb conjugation MUST SPALL

Regular verb: spall - spalled - spalled

Affirmation

Simple form

I must spall
you must spall
she must spall
we must spall
you must spall
they must spall

V-ing form

I must be spalling
you must be spalling
she must be spalling
we must be spalling
you must be spalling
they must be spalling

Perfect

I must have spalled
you must have spalled
she 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
she 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
she 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
she 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
she 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
she 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 she spall?
must we spall?
must you spall?
must they spall?

V-ing form

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

Perfect

must I have spalled?
must you have spalled?
must she 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 she 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 she 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 she 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 she 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 she 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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