English verb conjugation MUST OVERSTRAIN

Regular verb: overstrain - overstrained - overstrained

Affirmation

Simple form

I must overstrain
you must overstrain
he must overstrain
we must overstrain
you must overstrain
they must overstrain

V-ing form

I must be overstraining
you must be overstraining
he must be overstraining
we must be overstraining
you must be overstraining
they must be overstraining

Perfect

I must have overstrained
you must have overstrained
he must have overstrained
we must have overstrained
you must have overstrained
they must have overstrained

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I overstrain?
must you overstrain?
must he overstrain?
must we overstrain?
must you overstrain?
must they overstrain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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