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 may not center you may not center he may not center we may not center you may not center they may not center
Forma con V-ing
I may not be centering you may not be centering he may not be centering we may not be centering you may not be centering they may not be centering
Perfecto
I may not have centered you may not have centered he may not have centered we may not have centered you may not have centered they may not have centered
Perfecto con V-ing
I may not have been centering you may not have been centering he may not have been centering we may not have been centering you may not have been centering they may not 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
may I not center? may you not center? may he not center? may we not center? may you not center? may they not center?
Forma con V-ing
may I not be centering? may you not be centering? may he not be centering? may we not be centering? may you not be centering? may they not be centering?
Perfecto
may I not have centered? may you not have centered? may he not have centered? may we not have centered? may you not have centered? may they not have centered?
Perfecto con V-ing
may I not have been centering? may you not have been centering? may he not have been centering? may we not have been centering? may you not have been centering? may they not have been centering?