English verb conjugation COULD SNUFF

Regular verb: snuff - snuffed - snuffed

Affirmation

Simple form

I could snuff
you could snuff
he could snuff
we could snuff
you could snuff
they could snuff

V-ing form

I could be snuffing
you could be snuffing
he could be snuffing
we could be snuffing
you could be snuffing
they could be snuffing

Perfect

I could have snuffed
you could have snuffed
he 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
he could have been snuffing
we could have been snuffing
you could have been snuffing
they could have been snuffing

Negation

Simple form

I couldn't snuff
you couldn't snuff
he couldn't snuff
we couldn't snuff
you couldn't snuff
they couldn't snuff

V-ing form

I couldn't be snuffing
you couldn't be snuffing
he couldn't be snuffing
we couldn't be snuffing
you couldn't be snuffing
they couldn't be snuffing

Perfect

I couldn't have snuffed
you couldn't have snuffed
he couldn't have snuffed
we couldn't have snuffed
you couldn't have snuffed
they couldn't have snuffed

V-ing perfect

I couldn't have been snuffing
you couldn't have been snuffing
he couldn't have been snuffing
we couldn't have been snuffing
you couldn't have been snuffing
they couldn't have been snuffing

Interrogative form

Simple form

could I snuff?
could you snuff?
could he snuff?
could we snuff?
could you snuff?
could they snuff?

V-ing form

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

Perfect

could I have snuffed?
could you have snuffed?
could he 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 he have been snuffing?
could we have been snuffing?
could you have been snuffing?
could they have been snuffing?

Interro-negative form

Simple form

couldn't I snuff?
couldn't you snuff?
couldn't he snuff?
couldn't we snuff?
couldn't you snuff?
couldn't they snuff?

V-ing form

couldn't I be snuffing?
couldn't you be snuffing?
couldn't he be snuffing?
couldn't we be snuffing?
couldn't you be snuffing?
couldn't they be snuffing?

Perfect

couldn't I have snuffed?
couldn't you have snuffed?
couldn't he have snuffed?
couldn't we have snuffed?
couldn't you have snuffed?
couldn't they have snuffed?

V-ing perfect

couldn't I have been snuffing?
couldn't you have been snuffing?
couldn't he have been snuffing?
couldn't we have been snuffing?
couldn't you have been snuffing?
couldn't they have been snuffing?

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