I may compute you may compute he may compute we may compute you may compute they may compute
V-ing form
I may be computing you may be computing he may be computing we may be computing you may be computing they may be computing
Perfect
I may have computed you may have computed he 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 he 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 he 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 he 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 he 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 he 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 he compute? may we compute? may you compute? may they compute?
V-ing form
may I be computing? may you be computing? may he be computing? may we be computing? may you be computing? may they be computing?
Perfect
may I have computed? may you have computed? may he 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 he 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 he 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 he 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 he 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 he have been computing? mayn't we have been computing? mayn't you have been computing? mayn't they have been computing?