English verb conjugation COULD SNUFF

Regular verb: snuff - snuffed - snuffed

Affirmation

Simple form

I could snuff
you could snuff
she could snuff
we could snuff
you could snuff
they could snuff

V-ing form

I could be snuffing
you could be snuffing
she could be snuffing
we could be snuffing
you could be snuffing
they could be snuffing

Perfect

I could have snuffed
you could have snuffed
she could have snuffed
we could have snuffed
you could have snuffed
they could have snuffed

V-ing perfect

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

Negation

Simple form

I could not snuff
you could not snuff
she could not snuff
we could not snuff
you could not snuff
they could not snuff

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I snuff?
could you snuff?
could she snuff?
could we snuff?
could you snuff?
could they snuff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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