English verb conjugation
MAY SCUM

Regular verb: scum - scummed - scummed

Affirmation

Simple form	V-ing form
I may scum you may scum he may scum we may scum you may scum they may scum	I may be scumming you may be scumming he may be scumming we may be scumming you may be scumming they may be scumming
Perfect	V-ing perfect
I may have scummed you may have scummed he may have scummed we may have scummed you may have scummed they may have scummed	I may have been scumming you may have been scumming he may have been scumming we may have been scumming you may have been scumming they may have been scumming

Negation

Simple form	V-ing form
I may not scum you may not scum he may not scum we may not scum you may not scum they may not scum	I may not be scumming you may not be scumming he may not be scumming we may not be scumming you may not be scumming they may not be scumming
Perfect	V-ing perfect
I may not have scummed you may not have scummed he may not have scummed we may not have scummed you may not have scummed they may not have scummed	I may not have been scumming you may not have been scumming he may not have been scumming we may not have been scumming you may not have been scumming they may not have been scumming

Interrogative form

Simple form	V-ing form
may I scum? may you scum? may he scum? may we scum? may you scum? may they scum?	may I be scumming? may you be scumming? may he be scumming? may we be scumming? may you be scumming? may they be scumming?
Perfect	V-ing perfect
may I have scummed? may you have scummed? may he have scummed? may we have scummed? may you have scummed? may they have scummed?	may I have been scumming? may you have been scumming? may he have been scumming? may we have been scumming? may you have been scumming? may they have been scumming?

Interro-negative form

Simple form	V-ing form
may I not scum? may you not scum? may he not scum? may we not scum? may you not scum? may they not scum?	may I not be scumming? may you not be scumming? may he not be scumming? may we not be scumming? may you not be scumming? may they not be scumming?
Perfect	V-ing perfect
may I not have scummed? may you not have scummed? may he not have scummed? may we not have scummed? may you not have scummed? may they not have scummed?	may I not have been scumming? may you not have been scumming? may he not have been scumming? may we not have been scumming? may you not have been scumming? may they not have been scumming?