English verb conjugation MUST SMOOTH

Regular verb: smooth - smoothed - smoothed

Affirmation

Simple form

I must smooth
you must smooth
he must smooth
we must smooth
you must smooth
they must smooth

V-ing form

I must be smoothing
you must be smoothing
he must be smoothing
we must be smoothing
you must be smoothing
they must be smoothing

Perfect

I must have smoothed
you must have smoothed
he must have smoothed
we must have smoothed
you must have smoothed
they must have smoothed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I smooth?
must you smooth?
must he smooth?
must we smooth?
must you smooth?
must they smooth?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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