English verb conjugation
MAY DESCALE

Regular verb: descale - descaled - descaled

Affirmation

Simple form	V-ing form
I may descale you may descale he may descale we may descale you may descale they may descale	I may be descaling you may be descaling he may be descaling we may be descaling you may be descaling they may be descaling
Perfect	V-ing perfect
I may have descaled you may have descaled he may have descaled we may have descaled you may have descaled they may have descaled	I may have been descaling you may have been descaling he may have been descaling we may have been descaling you may have been descaling they may have been descaling

Negation

Simple form	V-ing form
I may not descale you may not descale he may not descale we may not descale you may not descale they may not descale	I may not be descaling you may not be descaling he may not be descaling we may not be descaling you may not be descaling they may not be descaling
Perfect	V-ing perfect
I may not have descaled you may not have descaled he may not have descaled we may not have descaled you may not have descaled they may not have descaled	I may not have been descaling you may not have been descaling he may not have been descaling we may not have been descaling you may not have been descaling they may not have been descaling

Interrogative form

Simple form	V-ing form
may I descale? may you descale? may he descale? may we descale? may you descale? may they descale?	may I be descaling? may you be descaling? may he be descaling? may we be descaling? may you be descaling? may they be descaling?
Perfect	V-ing perfect
may I have descaled? may you have descaled? may he have descaled? may we have descaled? may you have descaled? may they have descaled?	may I have been descaling? may you have been descaling? may he have been descaling? may we have been descaling? may you have been descaling? may they have been descaling?

Interro-negative form

Simple form	V-ing form
may I not descale? may you not descale? may he not descale? may we not descale? may you not descale? may they not descale?	may I not be descaling? may you not be descaling? may he not be descaling? may we not be descaling? may you not be descaling? may they not be descaling?
Perfect	V-ing perfect
may I not have descaled? may you not have descaled? may he not have descaled? may we not have descaled? may you not have descaled? may they not have descaled?	may I not have been descaling? may you not have been descaling? may he not have been descaling? may we not have been descaling? may you not have been descaling? may they not have been descaling?