English verb conjugation MUST PEN

Regular verb: pen - penned - penned

Affirmation

Simple form

I must pen
you must pen
she must pen
we must pen
you must pen
they must pen

V-ing form

I must be penning
you must be penning
she must be penning
we must be penning
you must be penning
they must be penning

Perfect

I must have penned
you must have penned
she must have penned
we must have penned
you must have penned
they must have penned

V-ing perfect

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

Negation

Simple form

I must not pen
you must not pen
she must not pen
we must not pen
you must not pen
they must not pen

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I pen?
must you pen?
must she pen?
must we pen?
must you pen?
must they pen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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