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