could ground
Verbo regolare: ground - grounded- grounded

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could ground
you could ground
he could ground
we could ground
you could ground
they could ground 	I could be grounding
you could be grounding
he could be grounding
we could be grounding
you could be grounding
they could be grounding	I could have grounded
you could have grounded
he could have grounded
we could have grounded
you could have grounded
they could have grounded	I could have been grounding
you could have been grounding
he could have been grounding
we could have been grounding
you could have been grounding
they could have been grounding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not ground
you could not ground
he could not ground
we could not ground
you could not ground
they could not ground 	I could not be grounding
you could not be grounding
he could not be grounding
we could not be grounding
you could not be grounding
they could not be grounding	I could not have grounded
you could not have grounded
he could not have grounded
we could not have grounded
you could not have grounded
they could not have grounded	I could not have been grounding
you could not have been grounding
he could not have been grounding
we could not have been grounding
you could not have been grounding
they could not have been grounding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I ground?
could you ground?
could he ground?
could we ground?
could you ground?
could they ground? 	could I be grounding?
could you be grounding?
could he be grounding?
could we be grounding?
could you be grounding?
could they be grounding? 	could I have grounded?
could you have grounded?
could he have grounded?
could we have grounded?
could you have grounded?
could they have grounded? 	could I have been grounding?
could you have been grounding?
could he have been grounding?
could we have been grounding?
could you have been grounding?
could they have been grounding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not ground?
could you not ground?
could he not ground?
could we not ground?
could you not ground?
could they not ground? 	could I not be grounding?
could you not be grounding?
could he not be grounding?
could we not be grounding?
could you not be grounding?
could they not be grounding? 	could I not have grounded?
could you not have grounded?
could he not have grounded?
could we not have grounded?
could you not have grounded?
could they not have grounded? 	could I not have been grounding?
could you not have been grounding?
could he not have been grounding?
could we not have been grounding?
could you not have been grounding?
could they not have been grounding?