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