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 could not ferment
you could not ferment
he could not ferment
we could not ferment
you could not ferment
they could not ferment

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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