Conjugaison du verbe anglais
COULD HELIOGRAPH

Verbe régulier : heliograph - heliographed - heliographed

Affirmation

Forme simple	Forme en 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
Perfect	Perfect en V-ing
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

Négation

Forme simple	Forme en 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
Perfect	Perfect en V-ing
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

Forme interrogative

Forme simple	Forme en 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?
Perfect	Perfect en V-ing
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?

Forme interro-négative

Forme simple	Forme en 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?
Perfect	Perfect en V-ing
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?