must smooth
Verbe régulier : smooth - smoothed- smoothed
Traduction française : défroisser - masser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must smooth
you must smooth
she must smooth
we must smooth
you must smooth
they must smooth 	I must be smoothing
you must be smoothing
she must be smoothing
we must be smoothing
you must be smoothing
they must be smoothing	I must have smoothed
you must have smoothed
she must have smoothed
we must have smoothed
you must have smoothed
they must have smoothed	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't smooth
you mustn't smooth
she mustn't smooth
we mustn't smooth
you mustn't smooth
they mustn't smooth 	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	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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I smooth?
must you smooth?
must she smooth?
must we smooth?
must you smooth?
must they smooth? 	must I be smoothing?
must you be smoothing?
must she be smoothing?
must we be smoothing?
must you be smoothing?
must they be smoothing? 	must I have smoothed?
must you have smoothed?
must she have smoothed?
must we have smoothed?
must you have smoothed?
must they have smoothed? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I smooth?
mustn't you smooth?
mustn't she smooth?
mustn't we smooth?
mustn't you smooth?
mustn't they smooth? 	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? 	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? 	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?