English verb conjugation MUST SMOOTH

Regular verb: smooth - smoothed - smoothed

Affirmation

Simple form

I must smooth
you must smooth
she must smooth
we must smooth
you must smooth
they must smooth

V-ing form

I must be smoothing
you must be smoothing
she must be smoothing
we must be smoothing
you must be smoothing
they must be smoothing

Perfect

I must have smoothed
you must have smoothed
she 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
she 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
she 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
she 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
she 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
she 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 she smooth?
must we smooth?
must you smooth?
must they smooth?

V-ing form

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

Perfect

must I have smoothed?
must you have smoothed?
must she 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 she 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 she 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 she 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 she 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 she 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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