English verb conjugation COULD CREST

Regular verb: crest - crested - crested

Affirmation

Simple form

I could crest
you could crest
he could crest
we could crest
you could crest
they could crest

V-ing form

I could be cresting
you could be cresting
he could be cresting
we could be cresting
you could be cresting
they could be cresting

Perfect

I could have crested
you could have crested
he could have crested
we could have crested
you could have crested
they could have crested

V-ing perfect

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

Negation

Simple form

I could not crest
you could not crest
he could not crest
we could not crest
you could not crest
they could not crest

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I crest?
could you crest?
could he crest?
could we crest?
could you crest?
could they crest?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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