English verb conjugation MUST DISCERN

Regular verb: discern - discerned - discerned

Affirmation

Simple form

I must discern
you must discern
she must discern
we must discern
you must discern
they must discern

V-ing form

I must be discerning
you must be discerning
she must be discerning
we must be discerning
you must be discerning
they must be discerning

Perfect

I must have discerned
you must have discerned
she must have discerned
we must have discerned
you must have discerned
they must have discerned

V-ing perfect

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

Negation

Simple form

I mustn't discern
you mustn't discern
she mustn't discern
we mustn't discern
you mustn't discern
they mustn't discern

V-ing form

I mustn't be discerning
you mustn't be discerning
she mustn't be discerning
we mustn't be discerning
you mustn't be discerning
they mustn't be discerning

Perfect

I mustn't have discerned
you mustn't have discerned
she mustn't have discerned
we mustn't have discerned
you mustn't have discerned
they mustn't have discerned

V-ing perfect

I mustn't have been discerning
you mustn't have been discerning
she mustn't have been discerning
we mustn't have been discerning
you mustn't have been discerning
they mustn't have been discerning

Interrogative form

Simple form

must I discern?
must you discern?
must she discern?
must we discern?
must you discern?
must they discern?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I discern?
mustn't you discern?
mustn't she discern?
mustn't we discern?
mustn't you discern?
mustn't they discern?

V-ing form

mustn't I be discerning?
mustn't you be discerning?
mustn't she be discerning?
mustn't we be discerning?
mustn't you be discerning?
mustn't they be discerning?

Perfect

mustn't I have discerned?
mustn't you have discerned?
mustn't she have discerned?
mustn't we have discerned?
mustn't you have discerned?
mustn't they have discerned?

V-ing perfect

mustn't I have been discerning?
mustn't you have been discerning?
mustn't she have been discerning?
mustn't we have been discerning?
mustn't you have been discerning?
mustn't they have been discerning?

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