English verb conjugation MUST RETRAIN

Regular verb: retrain - retrained - retrained

Affirmation

Simple form

I must retrain
you must retrain
she must retrain
we must retrain
you must retrain
they must retrain

V-ing form

I must be retraining
you must be retraining
she must be retraining
we must be retraining
you must be retraining
they must be retraining

Perfect

I must have retrained
you must have retrained
she must have retrained
we must have retrained
you must have retrained
they must have retrained

V-ing perfect

I must have been retraining
you must have been retraining
she must have been retraining
we must have been retraining
you must have been retraining
they must have been retraining

Negation

Simple form

I must not retrain
you must not retrain
she must not retrain
we must not retrain
you must not retrain
they must not retrain

V-ing form

I must not be retraining
you must not be retraining
she must not be retraining
we must not be retraining
you must not be retraining
they must not be retraining

Perfect

I must not have retrained
you must not have retrained
she must not have retrained
we must not have retrained
you must not have retrained
they must not have retrained

V-ing perfect

I must not have been retraining
you must not have been retraining
she must not have been retraining
we must not have been retraining
you must not have been retraining
they must not have been retraining

Interrogative form

Simple form

must I retrain?
must you retrain?
must she retrain?
must we retrain?
must you retrain?
must they retrain?

V-ing form

must I be retraining?
must you be retraining?
must she be retraining?
must we be retraining?
must you be retraining?
must they be retraining?

Perfect

must I have retrained?
must you have retrained?
must she have retrained?
must we have retrained?
must you have retrained?
must they have retrained?

V-ing perfect

must I have been retraining?
must you have been retraining?
must she have been retraining?
must we have been retraining?
must you have been retraining?
must they have been retraining?

Interro-negative form

Simple form

must I not retrain?
must you not retrain?
must she not retrain?
must we not retrain?
must you not retrain?
must they not retrain?

V-ing form

must I not be retraining?
must you not be retraining?
must she not be retraining?
must we not be retraining?
must you not be retraining?
must they not be retraining?

Perfect

must I not have retrained?
must you not have retrained?
must she not have retrained?
must we not have retrained?
must you not have retrained?
must they not have retrained?

V-ing perfect

must I not have been retraining?
must you not have been retraining?
must she not have been retraining?
must we not have been retraining?
must you not have been retraining?
must they not have been retraining?

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