English verb conjugation MUST PRESHARPEN

Regular verb: presharpen - presharpened - presharpened

Affirmation

Simple form

I must presharpen
you must presharpen
he must presharpen
we must presharpen
you must presharpen
they must presharpen

V-ing form

I must be presharpening
you must be presharpening
he must be presharpening
we must be presharpening
you must be presharpening
they must be presharpening

Perfect

I must have presharpened
you must have presharpened
he must have presharpened
we must have presharpened
you must have presharpened
they must have presharpened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I presharpen?
must you presharpen?
must he presharpen?
must we presharpen?
must you presharpen?
must they presharpen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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