English verb conjugation
MAY PIPE

Regular verb: pipe - piped - piped

Affirmation

Simple form	V-ing form
I may pipe you may pipe he may pipe we may pipe you may pipe they may pipe	I may be piping you may be piping he may be piping we may be piping you may be piping they may be piping
Perfect	V-ing perfect
I may have piped you may have piped he may have piped we may have piped you may have piped they may have piped	I may have been piping you may have been piping he may have been piping we may have been piping you may have been piping they may have been piping

Negation

Simple form	V-ing form
I may not pipe you may not pipe he may not pipe we may not pipe you may not pipe they may not pipe	I may not be piping you may not be piping he may not be piping we may not be piping you may not be piping they may not be piping
Perfect	V-ing perfect
I may not have piped you may not have piped he may not have piped we may not have piped you may not have piped they may not have piped	I may not have been piping you may not have been piping he may not have been piping we may not have been piping you may not have been piping they may not have been piping

Interrogative form

Simple form	V-ing form
may I pipe? may you pipe? may he pipe? may we pipe? may you pipe? may they pipe?	may I be piping? may you be piping? may he be piping? may we be piping? may you be piping? may they be piping?
Perfect	V-ing perfect
may I have piped? may you have piped? may he have piped? may we have piped? may you have piped? may they have piped?	may I have been piping? may you have been piping? may he have been piping? may we have been piping? may you have been piping? may they have been piping?

Interro-negative form

Simple form	V-ing form
may I not pipe? may you not pipe? may he not pipe? may we not pipe? may you not pipe? may they not pipe?	may I not be piping? may you not be piping? may he not be piping? may we not be piping? may you not be piping? may they not be piping?
Perfect	V-ing perfect
may I not have piped? may you not have piped? may he not have piped? may we not have piped? may you not have piped? may they not have piped?	may I not have been piping? may you not have been piping? may he not have been piping? may we not have been piping? may you not have been piping? may they not have been piping?