English verb conjugation MUST SMARTEN

Regular verb: smarten - smartened - smartened

Affirmation

Simple form

I must smarten
you must smarten
he must smarten
we must smarten
you must smarten
they must smarten

V-ing form

I must be smartening
you must be smartening
he must be smartening
we must be smartening
you must be smartening
they must be smartening

Perfect

I must have smartened
you must have smartened
he must have smartened
we must have smartened
you must have smartened
they must have smartened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I smarten?
must you smarten?
must he smarten?
must we smarten?
must you smarten?
must they smarten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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