I may center you may center he may center we may center you may center they may center
Forma con V-ing
I may be centering you may be centering he may be centering we may be centering you may be centering they may be centering
Perfecto
I may have centered you may have centered he may have centered we may have centered you may have centered they may have centered
Perfecto con V-ing
I may have been centering you may have been centering he may have been centering we may have been centering you may have been centering they may have been centering
Negación
Forma simple
I mayn't center you mayn't center he mayn't center we mayn't center you mayn't center they mayn't center
Forma con V-ing
I mayn't be centering you mayn't be centering he mayn't be centering we mayn't be centering you mayn't be centering they mayn't be centering
Perfecto
I mayn't have centered you mayn't have centered he mayn't have centered we mayn't have centered you mayn't have centered they mayn't have centered
Perfecto con V-ing
I mayn't have been centering you mayn't have been centering he mayn't have been centering we mayn't have been centering you mayn't have been centering they mayn't have been centering
Forma interrogativa
Forma simple
may I center? may you center? may he center? may we center? may you center? may they center?
Forma con V-ing
may I be centering? may you be centering? may he be centering? may we be centering? may you be centering? may they be centering?
Perfecto
may I have centered? may you have centered? may he have centered? may we have centered? may you have centered? may they have centered?
Perfecto con V-ing
may I have been centering? may you have been centering? may he have been centering? may we have been centering? may you have been centering? may they have been centering?
Forma interro-negativa
Forma simple
mayn't I center? mayn't you center? mayn't he center? mayn't we center? mayn't you center? mayn't they center?
Forma con V-ing
mayn't I be centering? mayn't you be centering? mayn't he be centering? mayn't we be centering? mayn't you be centering? mayn't they be centering?
Perfecto
mayn't I have centered? mayn't you have centered? mayn't he have centered? mayn't we have centered? mayn't you have centered? mayn't they have centered?
Perfecto con V-ing
mayn't I have been centering? mayn't you have been centering? mayn't he have been centering? mayn't we have been centering? mayn't you have been centering? mayn't they have been centering?