English verb conjugation COULD FOAM

Regular verb: foam - foamed - foamed

Affirmation

Simple form

I could foam
you could foam
he could foam
we could foam
you could foam
they could foam

V-ing form

I could be foaming
you could be foaming
he could be foaming
we could be foaming
you could be foaming
they could be foaming

Perfect

I could have foamed
you could have foamed
he could have foamed
we could have foamed
you could have foamed
they could have foamed

V-ing perfect

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

Negation

Simple form

I could not foam
you could not foam
he could not foam
we could not foam
you could not foam
they could not foam

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I foam?
could you foam?
could he foam?
could we foam?
could you foam?
could they foam?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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