could lightning
Verbo regolare: lightning - lightninged- lightninged

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could lightning
you could lightning
she could lightning
we could lightning
you could lightning
they could lightning 	I could be lightninging
you could be lightninging
she could be lightninging
we could be lightninging
you could be lightninging
they could be lightninging	I could have lightninged
you could have lightninged
she could have lightninged
we could have lightninged
you could have lightninged
they could have lightninged	I could have been lightninging
you could have been lightninging
she could have been lightninging
we could have been lightninging
you could have been lightninging
they could have been lightninging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not lightning
you could not lightning
she could not lightning
we could not lightning
you could not lightning
they could not lightning 	I could not be lightninging
you could not be lightninging
she could not be lightninging
we could not be lightninging
you could not be lightninging
they could not be lightninging	I could not have lightninged
you could not have lightninged
she could not have lightninged
we could not have lightninged
you could not have lightninged
they could not have lightninged	I could not have been lightninging
you could not have been lightninging
she could not have been lightninging
we could not have been lightninging
you could not have been lightninging
they could not have been lightninging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I lightning?
could you lightning?
could she lightning?
could we lightning?
could you lightning?
could they lightning? 	could I be lightninging?
could you be lightninging?
could she be lightninging?
could we be lightninging?
could you be lightninging?
could they be lightninging? 	could I have lightninged?
could you have lightninged?
could she have lightninged?
could we have lightninged?
could you have lightninged?
could they have lightninged? 	could I have been lightninging?
could you have been lightninging?
could she have been lightninging?
could we have been lightninging?
could you have been lightninging?
could they have been lightninging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not lightning?
could you not lightning?
could she not lightning?
could we not lightning?
could you not lightning?
could they not lightning? 	could I not be lightninging?
could you not be lightninging?
could she not be lightninging?
could we not be lightninging?
could you not be lightninging?
could they not be lightninging? 	could I not have lightninged?
could you not have lightninged?
could she not have lightninged?
could we not have lightninged?
could you not have lightninged?
could they not have lightninged? 	could I not have been lightninging?
could you not have been lightninging?
could she not have been lightninging?
could we not have been lightninging?
could you not have been lightninging?
could they not have been lightninging?