English verb conjugation
MAY QUAFF

Regular verb: quaff - quaffed - quaffed

Affirmation

Simple form	V-ing form
I may quaff you may quaff he may quaff we may quaff you may quaff they may quaff	I may be quaffing you may be quaffing he may be quaffing we may be quaffing you may be quaffing they may be quaffing
Perfect	V-ing perfect
I may have quaffed you may have quaffed he may have quaffed we may have quaffed you may have quaffed they may have quaffed	I may have been quaffing you may have been quaffing he may have been quaffing we may have been quaffing you may have been quaffing they may have been quaffing

Negation

Simple form	V-ing form
I may not quaff you may not quaff he may not quaff we may not quaff you may not quaff they may not quaff	I may not be quaffing you may not be quaffing he may not be quaffing we may not be quaffing you may not be quaffing they may not be quaffing
Perfect	V-ing perfect
I may not have quaffed you may not have quaffed he may not have quaffed we may not have quaffed you may not have quaffed they may not have quaffed	I may not have been quaffing you may not have been quaffing he may not have been quaffing we may not have been quaffing you may not have been quaffing they may not have been quaffing

Interrogative form

Simple form	V-ing form
may I quaff? may you quaff? may he quaff? may we quaff? may you quaff? may they quaff?	may I be quaffing? may you be quaffing? may he be quaffing? may we be quaffing? may you be quaffing? may they be quaffing?
Perfect	V-ing perfect
may I have quaffed? may you have quaffed? may he have quaffed? may we have quaffed? may you have quaffed? may they have quaffed?	may I have been quaffing? may you have been quaffing? may he have been quaffing? may we have been quaffing? may you have been quaffing? may they have been quaffing?

Interro-negative form

Simple form	V-ing form
may I not quaff? may you not quaff? may he not quaff? may we not quaff? may you not quaff? may they not quaff?	may I not be quaffing? may you not be quaffing? may he not be quaffing? may we not be quaffing? may you not be quaffing? may they not be quaffing?
Perfect	V-ing perfect
may I not have quaffed? may you not have quaffed? may he not have quaffed? may we not have quaffed? may you not have quaffed? may they not have quaffed?	may I not have been quaffing? may you not have been quaffing? may he not have been quaffing? may we not have been quaffing? may you not have been quaffing? may they not have been quaffing?