can grind
Verbo irregolare: grind - ground- ground

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can grind
you can grind
he can grind
we can grind
you can grind
they can grind 	I can be grinding
you can be grinding
he can be grinding
we can be grinding
you can be grinding
they can be grinding	I can have ground
you can have ground
he 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
he can have been grinding
we can have been grinding
you can have been grinding
they can have been grinding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot grind
you cannot grind
he cannot grind
we cannot grind
you cannot grind
they cannot grind 	I cannot be grinding
you cannot be grinding
he cannot be grinding
we cannot be grinding
you cannot be grinding
they cannot be grinding	I cannot have ground
you cannot have ground
he 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
he cannot have been grinding
we cannot have been grinding
you cannot have been grinding
they cannot have been grinding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I grind?
can you grind?
can he grind?
can we grind?
can you grind?
can they grind? 	can I be grinding?
can you be grinding?
can he be grinding?
can we be grinding?
can you be grinding?
can they be grinding? 	can I have ground?
can you have ground?
can he 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 he have been grinding?
can we have been grinding?
can you have been grinding?
can they have been grinding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not grind?
can you not grind?
can he 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 he not be grinding?
can we not be grinding?
can you not be grinding?
can they not be grinding? 	can I not have ground?
can you not have ground?
can he 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 he not have been grinding?
can we not have been grinding?
can you not have been grinding?
can they not have been grinding?