English verb conjugation COULD RETCH

Regular verb: retch - retched - retched

Affirmation

Simple form

I could retch
you could retch
he could retch
we could retch
you could retch
they could retch

V-ing form

I could be retching
you could be retching
he could be retching
we could be retching
you could be retching
they could be retching

Perfect

I could have retched
you could have retched
he could have retched
we could have retched
you could have retched
they could have retched

V-ing perfect

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

Negation

Simple form

I could not retch
you could not retch
he could not retch
we could not retch
you could not retch
they could not retch

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I retch?
could you retch?
could he retch?
could we retch?
could you retch?
could they retch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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