English verb conjugation COULD RETRAIN

Regular verb: retrain - retrained - retrained

Affirmation

Simple form

I could retrain
you could retrain
he could retrain
we could retrain
you could retrain
they could retrain

V-ing form

I could be retraining
you could be retraining
he could be retraining
we could be retraining
you could be retraining
they could be retraining

Perfect

I could have retrained
you could have retrained
he could have retrained
we could have retrained
you could have retrained
they could have retrained

V-ing perfect

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

Negation

Simple form

I couldn't retrain
you couldn't retrain
he couldn't retrain
we couldn't retrain
you couldn't retrain
they couldn't retrain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I retrain?
could you retrain?
could he retrain?
could we retrain?
could you retrain?
could they retrain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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