could heliograph
Verbo regolare: heliograph - heliographed- heliographed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could heliograph
you could heliograph
she could heliograph
we could heliograph
you could heliograph
they could heliograph 	I could be heliographing
you could be heliographing
she could be heliographing
we could be heliographing
you could be heliographing
they could be heliographing	I could have heliographed
you could have heliographed
she could have heliographed
we could have heliographed
you could have heliographed
they could have heliographed	I could have been heliographing
you could have been heliographing
she could have been heliographing
we could have been heliographing
you could have been heliographing
they could have been heliographing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not heliograph
you could not heliograph
she could not heliograph
we could not heliograph
you could not heliograph
they could not heliograph 	I could not be heliographing
you could not be heliographing
she could not be heliographing
we could not be heliographing
you could not be heliographing
they could not be heliographing	I could not have heliographed
you could not have heliographed
she could not have heliographed
we could not have heliographed
you could not have heliographed
they could not have heliographed	I could not have been heliographing
you could not have been heliographing
she could not have been heliographing
we could not have been heliographing
you could not have been heliographing
they could not have been heliographing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I heliograph?
could you heliograph?
could she heliograph?
could we heliograph?
could you heliograph?
could they heliograph? 	could I be heliographing?
could you be heliographing?
could she be heliographing?
could we be heliographing?
could you be heliographing?
could they be heliographing? 	could I have heliographed?
could you have heliographed?
could she have heliographed?
could we have heliographed?
could you have heliographed?
could they have heliographed? 	could I have been heliographing?
could you have been heliographing?
could she have been heliographing?
could we have been heliographing?
could you have been heliographing?
could they have been heliographing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not heliograph?
could you not heliograph?
could she not heliograph?
could we not heliograph?
could you not heliograph?
could they not heliograph? 	could I not be heliographing?
could you not be heliographing?
could she not be heliographing?
could we not be heliographing?
could you not be heliographing?
could they not be heliographing? 	could I not have heliographed?
could you not have heliographed?
could she not have heliographed?
could we not have heliographed?
could you not have heliographed?
could they not have heliographed? 	could I not have been heliographing?
could you not have been heliographing?
could she not have been heliographing?
could we not have been heliographing?
could you not have been heliographing?
could they not have been heliographing?