I may preappoint you may preappoint he may preappoint we may preappoint you may preappoint they may preappoint
V-ing form
I may be preappointing you may be preappointing he may be preappointing we may be preappointing you may be preappointing they may be preappointing
Perfect
I may have preappointed you may have preappointed he 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 he 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 he 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 he 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 he 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 he 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 he preappoint? may we preappoint? may you preappoint? may they preappoint?
V-ing form
may I be preappointing? may you be preappointing? may he be preappointing? may we be preappointing? may you be preappointing? may they be preappointing?
Perfect
may I have preappointed? may you have preappointed? may he 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 he 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 he 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 he 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 he 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 he have been preappointing? mayn't we have been preappointing? mayn't you have been preappointing? mayn't they have been preappointing?