English verb conjugation COULD RETROGRESS

Regular verb: retrogress - retrogressed - retrogressed

Affirmation

Simple form

I could retrogress
you could retrogress
he could retrogress
we could retrogress
you could retrogress
they could retrogress

V-ing form

I could be retrogressing
you could be retrogressing
he could be retrogressing
we could be retrogressing
you could be retrogressing
they could be retrogressing

Perfect

I could have retrogressed
you could have retrogressed
he could have retrogressed
we could have retrogressed
you could have retrogressed
they could have retrogressed

V-ing perfect

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

Negation

Simple form

I could not retrogress
you could not retrogress
he could not retrogress
we could not retrogress
you could not retrogress
they could not retrogress

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I retrogress?
could you retrogress?
could he retrogress?
could we retrogress?
could you retrogress?
could they retrogress?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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