English verb conjugation MUST SECERN

Regular verb: secern - secerned - secerned

Affirmation

Simple form

I must secern
you must secern
he must secern
we must secern
you must secern
they must secern

V-ing form

I must be secerning
you must be secerning
he must be secerning
we must be secerning
you must be secerning
they must be secerning

Perfect

I must have secerned
you must have secerned
he must have secerned
we must have secerned
you must have secerned
they must have secerned

V-ing perfect

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

Negation

Simple form

I must not secern
you must not secern
he must not secern
we must not secern
you must not secern
they must not secern

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I secern?
must you secern?
must he secern?
must we secern?
must you secern?
must they secern?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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