English verb conjugation COULD FERMENT

Regular verb: ferment - fermented - fermented

Affirmation

Simple form

I could ferment
you could ferment
he could ferment
we could ferment
you could ferment
they could ferment

V-ing form

I could be fermenting
you could be fermenting
he could be fermenting
we could be fermenting
you could be fermenting
they could be fermenting

Perfect

I could have fermented
you could have fermented
he could have fermented
we could have fermented
you could have fermented
they could have fermented

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I ferment?
could you ferment?
could he ferment?
could we ferment?
could you ferment?
could they ferment?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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