English verb conjugation MUST KERN

Regular verb: kern - kerned - kerned

Affirmation

Simple form

I must kern
you must kern
he must kern
we must kern
you must kern
they must kern

V-ing form

I must be kerning
you must be kerning
he must be kerning
we must be kerning
you must be kerning
they must be kerning

Perfect

I must have kerned
you must have kerned
he must have kerned
we must have kerned
you must have kerned
they must have kerned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I kern?
must you kern?
must he kern?
must we kern?
must you kern?
must they kern?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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