English verb conjugation MUST CRUMP

Regular verb: crump - crumped - crumped

Affirmation

Simple form

I must crump
you must crump
he must crump
we must crump
you must crump
they must crump

V-ing form

I must be crumping
you must be crumping
he must be crumping
we must be crumping
you must be crumping
they must be crumping

Perfect

I must have crumped
you must have crumped
he must have crumped
we must have crumped
you must have crumped
they must have crumped

V-ing perfect

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

Negation

Simple form

I must not crump
you must not crump
he must not crump
we must not crump
you must not crump
they must not crump

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I crump?
must you crump?
must he crump?
must we crump?
must you crump?
must they crump?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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