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 couldn't retch
you couldn't retch
he couldn't retch
we couldn't retch
you couldn't retch
they couldn't retch

V-ing form

I couldn't be retching
you couldn't be retching
he couldn't be retching
we couldn't be retching
you couldn't be retching
they couldn't be retching

Perfect

I couldn't have retched
you couldn't have retched
he couldn't have retched
we couldn't have retched
you couldn't have retched
they couldn't have retched

V-ing perfect

I couldn't have been retching
you couldn't have been retching
he couldn't have been retching
we couldn't have been retching
you couldn't have been retching
they couldn't 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

couldn't I retch?
couldn't you retch?
couldn't he retch?
couldn't we retch?
couldn't you retch?
couldn't they retch?

V-ing form

couldn't I be retching?
couldn't you be retching?
couldn't he be retching?
couldn't we be retching?
couldn't you be retching?
couldn't they be retching?

Perfect

couldn't I have retched?
couldn't you have retched?
couldn't he have retched?
couldn't we have retched?
couldn't you have retched?
couldn't they have retched?

V-ing perfect

couldn't I have been retching?
couldn't you have been retching?
couldn't he have been retching?
couldn't we have been retching?
couldn't you have been retching?
couldn't they have been retching?

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