English verb conjugation COULD STEAM

Regular verb: steam - steamed - steamed

Affirmation

Simple form

I could steam
you could steam
he could steam
we could steam
you could steam
they could steam

V-ing form

I could be steaming
you could be steaming
he could be steaming
we could be steaming
you could be steaming
they could be steaming

Perfect

I could have steamed
you could have steamed
he could have steamed
we could have steamed
you could have steamed
they could have steamed

V-ing perfect

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

Negation

Simple form

I could not steam
you could not steam
he could not steam
we could not steam
you could not steam
they could not steam

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I steam?
could you steam?
could he steam?
could we steam?
could you steam?
could they steam?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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