Conjugación del verbo inglés
CAN GRIND

Verbo irregular: grind - ground - ground

Afirmación

Forma simple	Forma con V-ing
I can grind you can grind she can grind we can grind you can grind they can grind	I can be grinding you can be grinding she can be grinding we can be grinding you can be grinding they can be grinding
Perfecto	Perfecto con V-ing
I can have ground you can have ground she can have ground we can have ground you can have ground they can have ground	I can have been grinding you can have been grinding she can have been grinding we can have been grinding you can have been grinding they can have been grinding

Negación

Forma simple	Forma con V-ing
I cannot grind you cannot grind she cannot grind we cannot grind you cannot grind they cannot grind	I cannot be grinding you cannot be grinding she cannot be grinding we cannot be grinding you cannot be grinding they cannot be grinding
Perfecto	Perfecto con V-ing
I cannot have ground you cannot have ground she cannot have ground we cannot have ground you cannot have ground they cannot have ground	I cannot have been grinding you cannot have been grinding she cannot have been grinding we cannot have been grinding you cannot have been grinding they cannot have been grinding

Forma interrogativa

Forma simple	Forma con V-ing
can I grind? can you grind? can she grind? can we grind? can you grind? can they grind?	can I be grinding? can you be grinding? can she be grinding? can we be grinding? can you be grinding? can they be grinding?
Perfecto	Perfecto con V-ing
can I have ground? can you have ground? can she have ground? can we have ground? can you have ground? can they have ground?	can I have been grinding? can you have been grinding? can she have been grinding? can we have been grinding? can you have been grinding? can they have been grinding?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not grind? can you not grind? can she not grind? can we not grind? can you not grind? can they not grind?	can I not be grinding? can you not be grinding? can she not be grinding? can we not be grinding? can you not be grinding? can they not be grinding?
Perfecto	Perfecto con V-ing
can I not have ground? can you not have ground? can she not have ground? can we not have ground? can you not have ground? can they not have ground?	can I not have been grinding? can you not have been grinding? can she not have been grinding? can we not have been grinding? can you not have been grinding? can they not have been grinding?