English verb conjugation MUST RETCH

Regular verb: retch - retched - retched

Affirmation

Simple form

I must retch
you must retch
he must retch
we must retch
you must retch
they must retch

V-ing form

I must be retching
you must be retching
he must be retching
we must be retching
you must be retching
they must be retching

Perfect

I must have retched
you must have retched
he must have retched
we must have retched
you must have retched
they must have retched

V-ing perfect

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

Negation

Simple form

I mustn't retch
you mustn't retch
he mustn't retch
we mustn't retch
you mustn't retch
they mustn't retch

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I retch?
must you retch?
must he retch?
must we retch?
must you retch?
must they retch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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