English verb conjugation MUST CRISPEN

Regular verb: crispen - crispened - crispened

Affirmation

Simple form

I must crispen
you must crispen
he must crispen
we must crispen
you must crispen
they must crispen

V-ing form

I must be crispening
you must be crispening
he must be crispening
we must be crispening
you must be crispening
they must be crispening

Perfect

I must have crispened
you must have crispened
he must have crispened
we must have crispened
you must have crispened
they must have crispened

V-ing perfect

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

Negation

Simple form

I mustn't crispen
you mustn't crispen
he mustn't crispen
we mustn't crispen
you mustn't crispen
they mustn't crispen

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I crispen?
must you crispen?
must he crispen?
must we crispen?
must you crispen?
must they crispen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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