English verb conjugation
MAY PUNCTURE

Regular verb: puncture - punctured - punctured

Affirmation

Simple form	V-ing form
I may puncture you may puncture she may puncture we may puncture you may puncture they may puncture	I may be puncturing you may be puncturing she may be puncturing we may be puncturing you may be puncturing they may be puncturing
Perfect	V-ing perfect
I may have punctured you may have punctured she may have punctured we may have punctured you may have punctured they may have punctured	I may have been puncturing you may have been puncturing she may have been puncturing we may have been puncturing you may have been puncturing they may have been puncturing

Negation

Simple form	V-ing form
I may not puncture you may not puncture she may not puncture we may not puncture you may not puncture they may not puncture	I may not be puncturing you may not be puncturing she may not be puncturing we may not be puncturing you may not be puncturing they may not be puncturing
Perfect	V-ing perfect
I may not have punctured you may not have punctured she may not have punctured we may not have punctured you may not have punctured they may not have punctured	I may not have been puncturing you may not have been puncturing she may not have been puncturing we may not have been puncturing you may not have been puncturing they may not have been puncturing

Interrogative form

Simple form	V-ing form
may I puncture? may you puncture? may she puncture? may we puncture? may you puncture? may they puncture?	may I be puncturing? may you be puncturing? may she be puncturing? may we be puncturing? may you be puncturing? may they be puncturing?
Perfect	V-ing perfect
may I have punctured? may you have punctured? may she have punctured? may we have punctured? may you have punctured? may they have punctured?	may I have been puncturing? may you have been puncturing? may she have been puncturing? may we have been puncturing? may you have been puncturing? may they have been puncturing?

Interro-negative form

Simple form	V-ing form
may I not puncture? may you not puncture? may she not puncture? may we not puncture? may you not puncture? may they not puncture?	may I not be puncturing? may you not be puncturing? may she not be puncturing? may we not be puncturing? may you not be puncturing? may they not be puncturing?
Perfect	V-ing perfect
may I not have punctured? may you not have punctured? may she not have punctured? may we not have punctured? may you not have punctured? may they not have punctured?	may I not have been puncturing? may you not have been puncturing? may she not have been puncturing? may we not have been puncturing? may you not have been puncturing? may they not have been puncturing?