English verb conjugation MUST PERISH

Regular verb: perish - perished - perished

Affirmation

Simple form

I must perish
you must perish
she must perish
we must perish
you must perish
they must perish

V-ing form

I must be perishing
you must be perishing
she must be perishing
we must be perishing
you must be perishing
they must be perishing

Perfect

I must have perished
you must have perished
she must have perished
we must have perished
you must have perished
they must have perished

V-ing perfect

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

Negation

Simple form

I must not perish
you must not perish
she must not perish
we must not perish
you must not perish
they must not perish

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I perish?
must you perish?
must she perish?
must we perish?
must you perish?
must they perish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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