English verb conjugation COULD APPALL

Regular verb: appall - appalled - appalled

Affirmation

Simple form

I could appall
you could appall
he could appall
we could appall
you could appall
they could appall

V-ing form

I could be appalling
you could be appalling
he could be appalling
we could be appalling
you could be appalling
they could be appalling

Perfect

I could have appalled
you could have appalled
he could have appalled
we could have appalled
you could have appalled
they could have appalled

V-ing perfect

I could have been appalling
you could have been appalling
he could have been appalling
we could have been appalling
you could have been appalling
they could have been appalling

Negation

Simple form

I could not appall
you could not appall
he could not appall
we could not appall
you could not appall
they could not appall

V-ing form

I could not be appalling
you could not be appalling
he could not be appalling
we could not be appalling
you could not be appalling
they could not be appalling

Perfect

I could not have appalled
you could not have appalled
he could not have appalled
we could not have appalled
you could not have appalled
they could not have appalled

V-ing perfect

I could not have been appalling
you could not have been appalling
he could not have been appalling
we could not have been appalling
you could not have been appalling
they could not have been appalling

Interrogative form

Simple form

could I appall?
could you appall?
could he appall?
could we appall?
could you appall?
could they appall?

V-ing form

could I be appalling?
could you be appalling?
could he be appalling?
could we be appalling?
could you be appalling?
could they be appalling?

Perfect

could I have appalled?
could you have appalled?
could he have appalled?
could we have appalled?
could you have appalled?
could they have appalled?

V-ing perfect

could I have been appalling?
could you have been appalling?
could he have been appalling?
could we have been appalling?
could you have been appalling?
could they have been appalling?

Interro-negative form

Simple form

could I not appall?
could you not appall?
could he not appall?
could we not appall?
could you not appall?
could they not appall?

V-ing form

could I not be appalling?
could you not be appalling?
could he not be appalling?
could we not be appalling?
could you not be appalling?
could they not be appalling?

Perfect

could I not have appalled?
could you not have appalled?
could he not have appalled?
could we not have appalled?
could you not have appalled?
could they not have appalled?

V-ing perfect

could I not have been appalling?
could you not have been appalling?
could he not have been appalling?
could we not have been appalling?
could you not have been appalling?
could they not have been appalling?

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