English verb conjugation
MAY ZIPPER

Regular verb: zipper - zippered - zippered

Affirmation

Simple form	V-ing form
I may zipper you may zipper she may zipper we may zipper you may zipper they may zipper	I may be zippering you may be zippering she may be zippering we may be zippering you may be zippering they may be zippering
Perfect	V-ing perfect
I may have zippered you may have zippered she may have zippered we may have zippered you may have zippered they may have zippered	I may have been zippering you may have been zippering she may have been zippering we may have been zippering you may have been zippering they may have been zippering

Negation

Simple form	V-ing form
I may not zipper you may not zipper she may not zipper we may not zipper you may not zipper they may not zipper	I may not be zippering you may not be zippering she may not be zippering we may not be zippering you may not be zippering they may not be zippering
Perfect	V-ing perfect
I may not have zippered you may not have zippered she may not have zippered we may not have zippered you may not have zippered they may not have zippered	I may not have been zippering you may not have been zippering she may not have been zippering we may not have been zippering you may not have been zippering they may not have been zippering

Interrogative form

Simple form	V-ing form
may I zipper? may you zipper? may she zipper? may we zipper? may you zipper? may they zipper?	may I be zippering? may you be zippering? may she be zippering? may we be zippering? may you be zippering? may they be zippering?
Perfect	V-ing perfect
may I have zippered? may you have zippered? may she have zippered? may we have zippered? may you have zippered? may they have zippered?	may I have been zippering? may you have been zippering? may she have been zippering? may we have been zippering? may you have been zippering? may they have been zippering?

Interro-negative form

Simple form	V-ing form
may I not zipper? may you not zipper? may she not zipper? may we not zipper? may you not zipper? may they not zipper?	may I not be zippering? may you not be zippering? may she not be zippering? may we not be zippering? may you not be zippering? may they not be zippering?
Perfect	V-ing perfect
may I not have zippered? may you not have zippered? may she not have zippered? may we not have zippered? may you not have zippered? may they not have zippered?	may I not have been zippering? may you not have been zippering? may she not have been zippering? may we not have been zippering? may you not have been zippering? may they not have been zippering?