I may harp you may harp he may harp we may harp you may harp they may harp
V-ing form
I may be harping you may be harping he may be harping we may be harping you may be harping they may be harping
Perfect
I may have harped you may have harped he may have harped we may have harped you may have harped they may have harped
V-ing perfect
I may have been harping you may have been harping he may have been harping we may have been harping you may have been harping they may have been harping
Negation
Simple form
I may not harp you may not harp he may not harp we may not harp you may not harp they may not harp
V-ing form
I may not be harping you may not be harping he may not be harping we may not be harping you may not be harping they may not be harping
Perfect
I may not have harped you may not have harped he may not have harped we may not have harped you may not have harped they may not have harped
V-ing perfect
I may not have been harping you may not have been harping he may not have been harping we may not have been harping you may not have been harping they may not have been harping
Interrogative form
Simple form
may I harp? may you harp? may he harp? may we harp? may you harp? may they harp?
V-ing form
may I be harping? may you be harping? may he be harping? may we be harping? may you be harping? may they be harping?
Perfect
may I have harped? may you have harped? may he have harped? may we have harped? may you have harped? may they have harped?
V-ing perfect
may I have been harping? may you have been harping? may he have been harping? may we have been harping? may you have been harping? may they have been harping?
Interro-negative form
Simple form
may I not harp? may you not harp? may he not harp? may we not harp? may you not harp? may they not harp?
V-ing form
may I not be harping? may you not be harping? may he not be harping? may we not be harping? may you not be harping? may they not be harping?
Perfect
may I not have harped? may you not have harped? may he not have harped? may we not have harped? may you not have harped? may they not have harped?
V-ing perfect
may I not have been harping? may you not have been harping? may he not have been harping? may we not have been harping? may you not have been harping? may they not have been harping?