I may commemorate you may commemorate he may commemorate we may commemorate you may commemorate they may commemorate
Forme en V-ing
I may be commemorating you may be commemorating he may be commemorating we may be commemorating you may be commemorating they may be commemorating
Perfect
I may have commemorated you may have commemorated he may have commemorated we may have commemorated you may have commemorated they may have commemorated
Perfect en V-ing
I may have been commemorating you may have been commemorating he may have been commemorating we may have been commemorating you may have been commemorating they may have been commemorating
Négation
Forme simple
I mayn't commemorate you mayn't commemorate he mayn't commemorate we mayn't commemorate you mayn't commemorate they mayn't commemorate
Forme en V-ing
I mayn't be commemorating you mayn't be commemorating he mayn't be commemorating we mayn't be commemorating you mayn't be commemorating they mayn't be commemorating
Perfect
I mayn't have commemorated you mayn't have commemorated he mayn't have commemorated we mayn't have commemorated you mayn't have commemorated they mayn't have commemorated
Perfect en V-ing
I mayn't have been commemorating you mayn't have been commemorating he mayn't have been commemorating we mayn't have been commemorating you mayn't have been commemorating they mayn't have been commemorating
Forme interrogative
Forme simple
may I commemorate? may you commemorate? may he commemorate? may we commemorate? may you commemorate? may they commemorate?
Forme en V-ing
may I be commemorating? may you be commemorating? may he be commemorating? may we be commemorating? may you be commemorating? may they be commemorating?
Perfect
may I have commemorated? may you have commemorated? may he have commemorated? may we have commemorated? may you have commemorated? may they have commemorated?
Perfect en V-ing
may I have been commemorating? may you have been commemorating? may he have been commemorating? may we have been commemorating? may you have been commemorating? may they have been commemorating?
Forme interro-négative
Forme simple
mayn't I commemorate? mayn't you commemorate? mayn't he commemorate? mayn't we commemorate? mayn't you commemorate? mayn't they commemorate?
Forme en V-ing
mayn't I be commemorating? mayn't you be commemorating? mayn't he be commemorating? mayn't we be commemorating? mayn't you be commemorating? mayn't they be commemorating?
Perfect
mayn't I have commemorated? mayn't you have commemorated? mayn't he have commemorated? mayn't we have commemorated? mayn't you have commemorated? mayn't they have commemorated?
Perfect en V-ing
mayn't I have been commemorating? mayn't you have been commemorating? mayn't he have been commemorating? mayn't we have been commemorating? mayn't you have been commemorating? mayn't they have been commemorating?