I may grind you may grind he may grind we may grind you may grind they may grind
Forma con V-ing
I may be grinding you may be grinding he may be grinding we may be grinding you may be grinding they may be grinding
Perfecto
I may have ground you may have ground he may have ground we may have ground you may have ground they may have ground
Perfecto con V-ing
I may have been grinding you may have been grinding he may have been grinding we may have been grinding you may have been grinding they may have been grinding
Negación
Forma simple
I may not grind you may not grind he may not grind we may not grind you may not grind they may not grind
Forma con V-ing
I may not be grinding you may not be grinding he may not be grinding we may not be grinding you may not be grinding they may not be grinding
Perfecto
I may not have ground you may not have ground he may not have ground we may not have ground you may not have ground they may not have ground
Perfecto con V-ing
I may not have been grinding you may not have been grinding he may not have been grinding we may not have been grinding you may not have been grinding they may not have been grinding
Forma interrogativa
Forma simple
may I grind? may you grind? may he grind? may we grind? may you grind? may they grind?
Forma con V-ing
may I be grinding? may you be grinding? may he be grinding? may we be grinding? may you be grinding? may they be grinding?
Perfecto
may I have ground? may you have ground? may he have ground? may we have ground? may you have ground? may they have ground?
Perfecto con V-ing
may I have been grinding? may you have been grinding? may he have been grinding? may we have been grinding? may you have been grinding? may they have been grinding?
Forma interro-negativa
Forma simple
may I not grind? may you not grind? may he not grind? may we not grind? may you not grind? may they not grind?
Forma con V-ing
may I not be grinding? may you not be grinding? may he not be grinding? may we not be grinding? may you not be grinding? may they not be grinding?
Perfecto
may I not have ground? may you not have ground? may he not have ground? may we not have ground? may you not have ground? may they not have ground?
Perfecto con V-ing
may I not have been grinding? may you not have been grinding? may he not have been grinding? may we not have been grinding? may you not have been grinding? may they not have been grinding?