English verb conjugation
MAY SMOOTH

Regular verb: smooth - smoothed - smoothed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I may not smooth you may not smooth he may not smooth we may not smooth you may not smooth they may not smooth	I may not be smoothing you may not be smoothing he may not be smoothing we may not be smoothing you may not be smoothing they may not be smoothing
Perfect	V-ing perfect
I may not have smoothed you may not have smoothed he may not have smoothed we may not have smoothed you may not have smoothed they may not have smoothed	I may not have been smoothing you may not have been smoothing he may not have been smoothing we may not have been smoothing you may not have been smoothing they may not have been smoothing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
may I not smooth? may you not smooth? may he not smooth? may we not smooth? may you not smooth? may they not smooth?	may I not be smoothing? may you not be smoothing? may he not be smoothing? may we not be smoothing? may you not be smoothing? may they not be smoothing?
Perfect	V-ing perfect
may I not have smoothed? may you not have smoothed? may he not have smoothed? may we not have smoothed? may you not have smoothed? may they not have smoothed?	may I not have been smoothing? may you not have been smoothing? may he not have been smoothing? may we not have been smoothing? may you not have been smoothing? may they not have been smoothing?