I may advise you may advise she may advise we may advise you may advise they may advise
V-ing form
I may be advising you may be advising she may be advising we may be advising you may be advising they may be advising
Perfect
I may have advised you may have advised she may have advised we may have advised you may have advised they may have advised
V-ing perfect
I may have been advising you may have been advising she may have been advising we may have been advising you may have been advising they may have been advising
Negation
Simple form
I mayn't advise you mayn't advise she mayn't advise we mayn't advise you mayn't advise they mayn't advise
V-ing form
I mayn't be advising you mayn't be advising she mayn't be advising we mayn't be advising you mayn't be advising they mayn't be advising
Perfect
I mayn't have advised you mayn't have advised she mayn't have advised we mayn't have advised you mayn't have advised they mayn't have advised
V-ing perfect
I mayn't have been advising you mayn't have been advising she mayn't have been advising we mayn't have been advising you mayn't have been advising they mayn't have been advising
Interrogative form
Simple form
may I advise? may you advise? may she advise? may we advise? may you advise? may they advise?
V-ing form
may I be advising? may you be advising? may she be advising? may we be advising? may you be advising? may they be advising?
Perfect
may I have advised? may you have advised? may she have advised? may we have advised? may you have advised? may they have advised?
V-ing perfect
may I have been advising? may you have been advising? may she have been advising? may we have been advising? may you have been advising? may they have been advising?
Interro-negative form
Simple form
mayn't I advise? mayn't you advise? mayn't she advise? mayn't we advise? mayn't you advise? mayn't they advise?
V-ing form
mayn't I be advising? mayn't you be advising? mayn't she be advising? mayn't we be advising? mayn't you be advising? mayn't they be advising?
Perfect
mayn't I have advised? mayn't you have advised? mayn't she have advised? mayn't we have advised? mayn't you have advised? mayn't they have advised?
V-ing perfect
mayn't I have been advising? mayn't you have been advising? mayn't she have been advising? mayn't we have been advising? mayn't you have been advising? mayn't they have been advising?