English verb conjugation COULD REGRESS

Regular verb: regress - regressed - regressed

Affirmation

Simple form

I could regress
you could regress
he could regress
we could regress
you could regress
they could regress

V-ing form

I could be regressing
you could be regressing
he could be regressing
we could be regressing
you could be regressing
they could be regressing

Perfect

I could have regressed
you could have regressed
he could have regressed
we could have regressed
you could have regressed
they could have regressed

V-ing perfect

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

Negation

Simple form

I could not regress
you could not regress
he could not regress
we could not regress
you could not regress
they could not regress

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I regress?
could you regress?
could he regress?
could we regress?
could you regress?
could they regress?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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