English verb conjugation COULD SPALL

Regular verb: spall - spalled - spalled

Affirmation

Simple form

I could spall
you could spall
she could spall
we could spall
you could spall
they could spall

V-ing form

I could be spalling
you could be spalling
she could be spalling
we could be spalling
you could be spalling
they could be spalling

Perfect

I could have spalled
you could have spalled
she could have spalled
we could have spalled
you could have spalled
they could have spalled

V-ing perfect

I could have been spalling
you could have been spalling
she could have been spalling
we could have been spalling
you could have been spalling
they could have been spalling

Negation

Simple form

I could not spall
you could not spall
she could not spall
we could not spall
you could not spall
they could not spall

V-ing form

I could not be spalling
you could not be spalling
she could not be spalling
we could not be spalling
you could not be spalling
they could not be spalling

Perfect

I could not have spalled
you could not have spalled
she could not have spalled
we could not have spalled
you could not have spalled
they could not have spalled

V-ing perfect

I could not have been spalling
you could not have been spalling
she could not have been spalling
we could not have been spalling
you could not have been spalling
they could not have been spalling

Interrogative form

Simple form

could I spall?
could you spall?
could she spall?
could we spall?
could you spall?
could they spall?

V-ing form

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

Perfect

could I have spalled?
could you have spalled?
could she have spalled?
could we have spalled?
could you have spalled?
could they have spalled?

V-ing perfect

could I have been spalling?
could you have been spalling?
could she have been spalling?
could we have been spalling?
could you have been spalling?
could they have been spalling?

Interro-negative form

Simple form

could I not spall?
could you not spall?
could she not spall?
could we not spall?
could you not spall?
could they not spall?

V-ing form

could I not be spalling?
could you not be spalling?
could she not be spalling?
could we not be spalling?
could you not be spalling?
could they not be spalling?

Perfect

could I not have spalled?
could you not have spalled?
could she not have spalled?
could we not have spalled?
could you not have spalled?
could they not have spalled?

V-ing perfect

could I not have been spalling?
could you not have been spalling?
could she not have been spalling?
could we not have been spalling?
could you not have been spalling?
could they not have been spalling?

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