English verb conjugation MUST STRAIN

Regular verb: strain - strained - strained

Affirmation

Simple form

I must strain
you must strain
he must strain
we must strain
you must strain
they must strain

V-ing form

I must be straining
you must be straining
he must be straining
we must be straining
you must be straining
they must be straining

Perfect

I must have strained
you must have strained
he must have strained
we must have strained
you must have strained
they must have strained

V-ing perfect

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

Negation

Simple form

I must not strain
you must not strain
he must not strain
we must not strain
you must not strain
they must not strain

V-ing form

I must not be straining
you must not be straining
he must not be straining
we must not be straining
you must not be straining
they must not be straining

Perfect

I must not have strained
you must not have strained
he must not have strained
we must not have strained
you must not have strained
they must not have strained

V-ing perfect

I must not have been straining
you must not have been straining
he must not have been straining
we must not have been straining
you must not have been straining
they must not have been straining

Interrogative form

Simple form

must I strain?
must you strain?
must he strain?
must we strain?
must you strain?
must they strain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not strain?
must you not strain?
must he not strain?
must we not strain?
must you not strain?
must they not strain?

V-ing form

must I not be straining?
must you not be straining?
must he not be straining?
must we not be straining?
must you not be straining?
must they not be straining?

Perfect

must I not have strained?
must you not have strained?
must he not have strained?
must we not have strained?
must you not have strained?
must they not have strained?

V-ing perfect

must I not have been straining?
must you not have been straining?
must he not have been straining?
must we not have been straining?
must you not have been straining?
must they not have been straining?

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