I may fetch you may fetch he may fetch we may fetch you may fetch they may fetch
V-ing form
I may be fetching you may be fetching he may be fetching we may be fetching you may be fetching they may be fetching
Perfect
I may have fetched you may have fetched he may have fetched we may have fetched you may have fetched they may have fetched
V-ing perfect
I may have been fetching you may have been fetching he may have been fetching we may have been fetching you may have been fetching they may have been fetching
Negation
Simple form
I mayn't fetch you mayn't fetch he mayn't fetch we mayn't fetch you mayn't fetch they mayn't fetch
V-ing form
I mayn't be fetching you mayn't be fetching he mayn't be fetching we mayn't be fetching you mayn't be fetching they mayn't be fetching
Perfect
I mayn't have fetched you mayn't have fetched he mayn't have fetched we mayn't have fetched you mayn't have fetched they mayn't have fetched
V-ing perfect
I mayn't have been fetching you mayn't have been fetching he mayn't have been fetching we mayn't have been fetching you mayn't have been fetching they mayn't have been fetching
Interrogative form
Simple form
may I fetch? may you fetch? may he fetch? may we fetch? may you fetch? may they fetch?
V-ing form
may I be fetching? may you be fetching? may he be fetching? may we be fetching? may you be fetching? may they be fetching?
Perfect
may I have fetched? may you have fetched? may he have fetched? may we have fetched? may you have fetched? may they have fetched?
V-ing perfect
may I have been fetching? may you have been fetching? may he have been fetching? may we have been fetching? may you have been fetching? may they have been fetching?
Interro-negative form
Simple form
mayn't I fetch? mayn't you fetch? mayn't he fetch? mayn't we fetch? mayn't you fetch? mayn't they fetch?
V-ing form
mayn't I be fetching? mayn't you be fetching? mayn't he be fetching? mayn't we be fetching? mayn't you be fetching? mayn't they be fetching?
Perfect
mayn't I have fetched? mayn't you have fetched? mayn't he have fetched? mayn't we have fetched? mayn't you have fetched? mayn't they have fetched?
V-ing perfect
mayn't I have been fetching? mayn't you have been fetching? mayn't he have been fetching? mayn't we have been fetching? mayn't you have been fetching? mayn't they have been fetching?