could solve
Verbo regolare: solve - solved- solved

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could solve
you could solve
he could solve
we could solve
you could solve
they could solve 	I could be solving
you could be solving
he could be solving
we could be solving
you could be solving
they could be solving	I could have solved
you could have solved
he could have solved
we could have solved
you could have solved
they could have solved	I could have been solving
you could have been solving
he could have been solving
we could have been solving
you could have been solving
they could have been solving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not solve
you could not solve
he could not solve
we could not solve
you could not solve
they could not solve 	I could not be solving
you could not be solving
he could not be solving
we could not be solving
you could not be solving
they could not be solving	I could not have solved
you could not have solved
he could not have solved
we could not have solved
you could not have solved
they could not have solved	I could not have been solving
you could not have been solving
he could not have been solving
we could not have been solving
you could not have been solving
they could not have been solving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I solve?
could you solve?
could he solve?
could we solve?
could you solve?
could they solve? 	could I be solving?
could you be solving?
could he be solving?
could we be solving?
could you be solving?
could they be solving? 	could I have solved?
could you have solved?
could he have solved?
could we have solved?
could you have solved?
could they have solved? 	could I have been solving?
could you have been solving?
could he have been solving?
could we have been solving?
could you have been solving?
could they have been solving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not solve?
could you not solve?
could he not solve?
could we not solve?
could you not solve?
could they not solve? 	could I not be solving?
could you not be solving?
could he not be solving?
could we not be solving?
could you not be solving?
could they not be solving? 	could I not have solved?
could you not have solved?
could he not have solved?
could we not have solved?
could you not have solved?
could they not have solved? 	could I not have been solving?
could you not have been solving?
could he not have been solving?
could we not have been solving?
could you not have been solving?
could they not have been solving?