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 mustn't crump
you mustn't crump
he mustn't crump
we mustn't crump
you mustn't crump
they mustn't crump

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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