English verb conjugation
MAY PIERCE

Regular verb: pierce - pierced - pierced

Affirmation

Simple form	V-ing form
I may pierce you may pierce she may pierce we may pierce you may pierce they may pierce	I may be piercing you may be piercing she may be piercing we may be piercing you may be piercing they may be piercing
Perfect	V-ing perfect
I may have pierced you may have pierced she may have pierced we may have pierced you may have pierced they may have pierced	I may have been piercing you may have been piercing she may have been piercing we may have been piercing you may have been piercing they may have been piercing

Negation

Simple form	V-ing form
I may not pierce you may not pierce she may not pierce we may not pierce you may not pierce they may not pierce	I may not be piercing you may not be piercing she may not be piercing we may not be piercing you may not be piercing they may not be piercing
Perfect	V-ing perfect
I may not have pierced you may not have pierced she may not have pierced we may not have pierced you may not have pierced they may not have pierced	I may not have been piercing you may not have been piercing she may not have been piercing we may not have been piercing you may not have been piercing they may not have been piercing

Interrogative form

Simple form	V-ing form
may I pierce? may you pierce? may she pierce? may we pierce? may you pierce? may they pierce?	may I be piercing? may you be piercing? may she be piercing? may we be piercing? may you be piercing? may they be piercing?
Perfect	V-ing perfect
may I have pierced? may you have pierced? may she have pierced? may we have pierced? may you have pierced? may they have pierced?	may I have been piercing? may you have been piercing? may she have been piercing? may we have been piercing? may you have been piercing? may they have been piercing?

Interro-negative form

Simple form	V-ing form
may I not pierce? may you not pierce? may she not pierce? may we not pierce? may you not pierce? may they not pierce?	may I not be piercing? may you not be piercing? may she not be piercing? may we not be piercing? may you not be piercing? may they not be piercing?
Perfect	V-ing perfect
may I not have pierced? may you not have pierced? may she not have pierced? may we not have pierced? may you not have pierced? may they not have pierced?	may I not have been piercing? may you not have been piercing? may she not have been piercing? may we not have been piercing? may you not have been piercing? may they not have been piercing?