I may prick you may prick she may prick we may prick you may prick they may prick
V-ing form
I may be pricking you may be pricking she may be pricking we may be pricking you may be pricking they may be pricking
Perfect
I may have pricked you may have pricked she may have pricked we may have pricked you may have pricked they may have pricked
V-ing perfect
I may have been pricking you may have been pricking she may have been pricking we may have been pricking you may have been pricking they may have been pricking
Negation
Simple form
I may not prick you may not prick she may not prick we may not prick you may not prick they may not prick
V-ing form
I may not be pricking you may not be pricking she may not be pricking we may not be pricking you may not be pricking they may not be pricking
Perfect
I may not have pricked you may not have pricked she may not have pricked we may not have pricked you may not have pricked they may not have pricked
V-ing perfect
I may not have been pricking you may not have been pricking she may not have been pricking we may not have been pricking you may not have been pricking they may not have been pricking
Interrogative form
Simple form
may I prick? may you prick? may she prick? may we prick? may you prick? may they prick?
V-ing form
may I be pricking? may you be pricking? may she be pricking? may we be pricking? may you be pricking? may they be pricking?
Perfect
may I have pricked? may you have pricked? may she have pricked? may we have pricked? may you have pricked? may they have pricked?
V-ing perfect
may I have been pricking? may you have been pricking? may she have been pricking? may we have been pricking? may you have been pricking? may they have been pricking?
Interro-negative form
Simple form
may I not prick? may you not prick? may she not prick? may we not prick? may you not prick? may they not prick?
V-ing form
may I not be pricking? may you not be pricking? may she not be pricking? may we not be pricking? may you not be pricking? may they not be pricking?
Perfect
may I not have pricked? may you not have pricked? may she not have pricked? may we not have pricked? may you not have pricked? may they not have pricked?
V-ing perfect
may I not have been pricking? may you not have been pricking? may she not have been pricking? may we not have been pricking? may you not have been pricking? may they not have been pricking?