English verb conjugation COULD SNIVEL

Regular verb: snivel - snivelled - snivelled

Affirmation

Simple form

I could snivel
you could snivel
he could snivel
we could snivel
you could snivel
they could snivel

V-ing form

I could be snivelling
you could be snivelling
he could be snivelling
we could be snivelling
you could be snivelling
they could be snivelling

Perfect

I could have snivelled
you could have snivelled
he could have snivelled
we could have snivelled
you could have snivelled
they could have snivelled

V-ing perfect

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

Negation

Simple form

I could not snivel
you could not snivel
he could not snivel
we could not snivel
you could not snivel
they could not snivel

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I snivel?
could you snivel?
could he snivel?
could we snivel?
could you snivel?
could they snivel?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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