could nod
Verbo regolare: nod - nodded- nodded

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could nod
you could nod
he could nod
we could nod
you could nod
they could nod 	I could be nodding
you could be nodding
he could be nodding
we could be nodding
you could be nodding
they could be nodding	I could have nodded
you could have nodded
he could have nodded
we could have nodded
you could have nodded
they could have nodded	I could have been nodding
you could have been nodding
he could have been nodding
we could have been nodding
you could have been nodding
they could have been nodding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not nod
you could not nod
he could not nod
we could not nod
you could not nod
they could not nod 	I could not be nodding
you could not be nodding
he could not be nodding
we could not be nodding
you could not be nodding
they could not be nodding	I could not have nodded
you could not have nodded
he could not have nodded
we could not have nodded
you could not have nodded
they could not have nodded	I could not have been nodding
you could not have been nodding
he could not have been nodding
we could not have been nodding
you could not have been nodding
they could not have been nodding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I nod?
could you nod?
could he nod?
could we nod?
could you nod?
could they nod? 	could I be nodding?
could you be nodding?
could he be nodding?
could we be nodding?
could you be nodding?
could they be nodding? 	could I have nodded?
could you have nodded?
could he have nodded?
could we have nodded?
could you have nodded?
could they have nodded? 	could I have been nodding?
could you have been nodding?
could he have been nodding?
could we have been nodding?
could you have been nodding?
could they have been nodding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not nod?
could you not nod?
could he not nod?
could we not nod?
could you not nod?
could they not nod? 	could I not be nodding?
could you not be nodding?
could he not be nodding?
could we not be nodding?
could you not be nodding?
could they not be nodding? 	could I not have nodded?
could you not have nodded?
could he not have nodded?
could we not have nodded?
could you not have nodded?
could they not have nodded? 	could I not have been nodding?
could you not have been nodding?
could he not have been nodding?
could we not have been nodding?
could you not have been nodding?
could they not have been nodding?