may smooth
Verbo regular: smooth - smoothed- smoothed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may smooth
you may smooth
he may smooth
we may smooth
you may smooth
they may smooth 	I may be smoothing
you may be smoothing
he may be smoothing
we may be smoothing
you may be smoothing
they may be smoothing	I may have smoothed
you may have smoothed
he may have smoothed
we may have smoothed
you may have smoothed
they may have smoothed	I may have been smoothing
you may have been smoothing
he may have been smoothing
we may have been smoothing
you may have been smoothing
they may have been smoothing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't smooth
you mayn't smooth
he mayn't smooth
we mayn't smooth
you mayn't smooth
they mayn't smooth 	I mayn't be smoothing
you mayn't be smoothing
he mayn't be smoothing
we mayn't be smoothing
you mayn't be smoothing
they mayn't be smoothing	I mayn't have smoothed
you mayn't have smoothed
he mayn't have smoothed
we mayn't have smoothed
you mayn't have smoothed
they mayn't have smoothed	I mayn't have been smoothing
you mayn't have been smoothing
he mayn't have been smoothing
we mayn't have been smoothing
you mayn't have been smoothing
they mayn't have been smoothing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I smooth?
may you smooth?
may he smooth?
may we smooth?
may you smooth?
may they smooth? 	may I be smoothing?
may you be smoothing?
may he be smoothing?
may we be smoothing?
may you be smoothing?
may they be smoothing? 	may I have smoothed?
may you have smoothed?
may he have smoothed?
may we have smoothed?
may you have smoothed?
may they have smoothed? 	may I have been smoothing?
may you have been smoothing?
may he have been smoothing?
may we have been smoothing?
may you have been smoothing?
may they have been smoothing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I smooth?
mayn't you smooth?
mayn't he smooth?
mayn't we smooth?
mayn't you smooth?
mayn't they smooth? 	mayn't I be smoothing?
mayn't you be smoothing?
mayn't he be smoothing?
mayn't we be smoothing?
mayn't you be smoothing?
mayn't they be smoothing? 	mayn't I have smoothed?
mayn't you have smoothed?
mayn't he have smoothed?
mayn't we have smoothed?
mayn't you have smoothed?
mayn't they have smoothed? 	mayn't I have been smoothing?
mayn't you have been smoothing?
mayn't he have been smoothing?
mayn't we have been smoothing?
mayn't you have been smoothing?
mayn't they have been smoothing?