could gnaw
Verbo regolare: gnaw - gnawed- gnawed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could gnaw
you could gnaw
he could gnaw
we could gnaw
you could gnaw
they could gnaw 	I could be gnawing
you could be gnawing
he could be gnawing
we could be gnawing
you could be gnawing
they could be gnawing	I could have gnawed
you could have gnawed
he could have gnawed
we could have gnawed
you could have gnawed
they could have gnawed	I could have been gnawing
you could have been gnawing
he could have been gnawing
we could have been gnawing
you could have been gnawing
they could have been gnawing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't gnaw
you couldn't gnaw
he couldn't gnaw
we couldn't gnaw
you couldn't gnaw
they couldn't gnaw 	I couldn't be gnawing
you couldn't be gnawing
he couldn't be gnawing
we couldn't be gnawing
you couldn't be gnawing
they couldn't be gnawing	I couldn't have gnawed
you couldn't have gnawed
he couldn't have gnawed
we couldn't have gnawed
you couldn't have gnawed
they couldn't have gnawed	I couldn't have been gnawing
you couldn't have been gnawing
he couldn't have been gnawing
we couldn't have been gnawing
you couldn't have been gnawing
they couldn't have been gnawing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I gnaw?
could you gnaw?
could he gnaw?
could we gnaw?
could you gnaw?
could they gnaw? 	could I be gnawing?
could you be gnawing?
could he be gnawing?
could we be gnawing?
could you be gnawing?
could they be gnawing? 	could I have gnawed?
could you have gnawed?
could he have gnawed?
could we have gnawed?
could you have gnawed?
could they have gnawed? 	could I have been gnawing?
could you have been gnawing?
could he have been gnawing?
could we have been gnawing?
could you have been gnawing?
could they have been gnawing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I gnaw?
couldn't you gnaw?
couldn't he gnaw?
couldn't we gnaw?
couldn't you gnaw?
couldn't they gnaw? 	couldn't I be gnawing?
couldn't you be gnawing?
couldn't he be gnawing?
couldn't we be gnawing?
couldn't you be gnawing?
couldn't they be gnawing? 	couldn't I have gnawed?
couldn't you have gnawed?
couldn't he have gnawed?
couldn't we have gnawed?
couldn't you have gnawed?
couldn't they have gnawed? 	couldn't I have been gnawing?
couldn't you have been gnawing?
couldn't he have been gnawing?
couldn't we have been gnawing?
couldn't you have been gnawing?
couldn't they have been gnawing?