English verb conjugation
MAY PREPURCHASE

Regular verb: prepurchase - prepurchased - prepurchased

Affirmation

Simple form	V-ing form
I may prepurchase you may prepurchase she may prepurchase we may prepurchase you may prepurchase they may prepurchase	I may be prepurchasing you may be prepurchasing she may be prepurchasing we may be prepurchasing you may be prepurchasing they may be prepurchasing
Perfect	V-ing perfect
I may have prepurchased you may have prepurchased she may have prepurchased we may have prepurchased you may have prepurchased they may have prepurchased	I may have been prepurchasing you may have been prepurchasing she may have been prepurchasing we may have been prepurchasing you may have been prepurchasing they may have been prepurchasing

Negation

Simple form	V-ing form
I may not prepurchase you may not prepurchase she may not prepurchase we may not prepurchase you may not prepurchase they may not prepurchase	I may not be prepurchasing you may not be prepurchasing she may not be prepurchasing we may not be prepurchasing you may not be prepurchasing they may not be prepurchasing
Perfect	V-ing perfect
I may not have prepurchased you may not have prepurchased she may not have prepurchased we may not have prepurchased you may not have prepurchased they may not have prepurchased	I may not have been prepurchasing you may not have been prepurchasing she may not have been prepurchasing we may not have been prepurchasing you may not have been prepurchasing they may not have been prepurchasing

Interrogative form

Simple form	V-ing form
may I prepurchase? may you prepurchase? may she prepurchase? may we prepurchase? may you prepurchase? may they prepurchase?	may I be prepurchasing? may you be prepurchasing? may she be prepurchasing? may we be prepurchasing? may you be prepurchasing? may they be prepurchasing?
Perfect	V-ing perfect
may I have prepurchased? may you have prepurchased? may she have prepurchased? may we have prepurchased? may you have prepurchased? may they have prepurchased?	may I have been prepurchasing? may you have been prepurchasing? may she have been prepurchasing? may we have been prepurchasing? may you have been prepurchasing? may they have been prepurchasing?

Interro-negative form

Simple form	V-ing form
may I not prepurchase? may you not prepurchase? may she not prepurchase? may we not prepurchase? may you not prepurchase? may they not prepurchase?	may I not be prepurchasing? may you not be prepurchasing? may she not be prepurchasing? may we not be prepurchasing? may you not be prepurchasing? may they not be prepurchasing?
Perfect	V-ing perfect
may I not have prepurchased? may you not have prepurchased? may she not have prepurchased? may we not have prepurchased? may you not have prepurchased? may they not have prepurchased?	may I not have been prepurchasing? may you not have been prepurchasing? may she not have been prepurchasing? may we not have been prepurchasing? may you not have been prepurchasing? may they not have been prepurchasing?