English verb conjugation MUST OVERSTRAIN

Regular verb: overstrain - overstrained - overstrained

Affirmation

Simple form

I must overstrain
you must overstrain
she must overstrain
we must overstrain
you must overstrain
they must overstrain

V-ing form

I must be overstraining
you must be overstraining
she must be overstraining
we must be overstraining
you must be overstraining
they must be overstraining

Perfect

I must have overstrained
you must have overstrained
she 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
she must have been overstraining
we must have been overstraining
you must have been overstraining
they must have been overstraining

Negation

Simple form

I must not overstrain
you must not overstrain
she must not overstrain
we must not overstrain
you must not overstrain
they must not overstrain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I overstrain?
must you overstrain?
must she overstrain?
must we overstrain?
must you overstrain?
must they overstrain?

V-ing form

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

Perfect

must I have overstrained?
must you have overstrained?
must she 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 she have been overstraining?
must we have been overstraining?
must you have been overstraining?
must they have been overstraining?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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