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