I may phone you may phone she may phone we may phone you may phone they may phone
V-ing form
I may be phoning you may be phoning she may be phoning we may be phoning you may be phoning they may be phoning
Perfect
I may have phoned you may have phoned she may have phoned we may have phoned you may have phoned they may have phoned
V-ing perfect
I may have been phoning you may have been phoning she may have been phoning we may have been phoning you may have been phoning they may have been phoning
Negation
Simple form
I may not phone you may not phone she may not phone we may not phone you may not phone they may not phone
V-ing form
I may not be phoning you may not be phoning she may not be phoning we may not be phoning you may not be phoning they may not be phoning
Perfect
I may not have phoned you may not have phoned she may not have phoned we may not have phoned you may not have phoned they may not have phoned
V-ing perfect
I may not have been phoning you may not have been phoning she may not have been phoning we may not have been phoning you may not have been phoning they may not have been phoning
Interrogative form
Simple form
may I phone? may you phone? may she phone? may we phone? may you phone? may they phone?
V-ing form
may I be phoning? may you be phoning? may she be phoning? may we be phoning? may you be phoning? may they be phoning?
Perfect
may I have phoned? may you have phoned? may she have phoned? may we have phoned? may you have phoned? may they have phoned?
V-ing perfect
may I have been phoning? may you have been phoning? may she have been phoning? may we have been phoning? may you have been phoning? may they have been phoning?
Interro-negative form
Simple form
may I not phone? may you not phone? may she not phone? may we not phone? may you not phone? may they not phone?
V-ing form
may I not be phoning? may you not be phoning? may she not be phoning? may we not be phoning? may you not be phoning? may they not be phoning?
Perfect
may I not have phoned? may you not have phoned? may she not have phoned? may we not have phoned? may you not have phoned? may they not have phoned?
V-ing perfect
may I not have been phoning? may you not have been phoning? may she not have been phoning? may we not have been phoning? may you not have been phoning? may they not have been phoning?