I can heliograph you can heliograph he can heliograph we can heliograph you can heliograph they can heliograph
Forme en V-ing
I can be heliographing you can be heliographing he can be heliographing we can be heliographing you can be heliographing they can be heliographing
Perfect
I can have heliographed you can have heliographed he can have heliographed we can have heliographed you can have heliographed they can have heliographed
Perfect en V-ing
I can have been heliographing you can have been heliographing he can have been heliographing we can have been heliographing you can have been heliographing they can have been heliographing
Négation
Forme simple
I cannot heliograph you cannot heliograph he cannot heliograph we cannot heliograph you cannot heliograph they cannot heliograph
Forme en V-ing
I cannot be heliographing you cannot be heliographing he cannot be heliographing we cannot be heliographing you cannot be heliographing they cannot be heliographing
Perfect
I cannot have heliographed you cannot have heliographed he cannot have heliographed we cannot have heliographed you cannot have heliographed they cannot have heliographed
Perfect en V-ing
I cannot have been heliographing you cannot have been heliographing he cannot have been heliographing we cannot have been heliographing you cannot have been heliographing they cannot have been heliographing
Forme interrogative
Forme simple
can I heliograph? can you heliograph? can he heliograph? can we heliograph? can you heliograph? can they heliograph?
Forme en V-ing
can I be heliographing? can you be heliographing? can he be heliographing? can we be heliographing? can you be heliographing? can they be heliographing?
Perfect
can I have heliographed? can you have heliographed? can he have heliographed? can we have heliographed? can you have heliographed? can they have heliographed?
Perfect en V-ing
can I have been heliographing? can you have been heliographing? can he have been heliographing? can we have been heliographing? can you have been heliographing? can they have been heliographing?
Forme interro-négative
Forme simple
can I not heliograph? can you not heliograph? can he not heliograph? can we not heliograph? can you not heliograph? can they not heliograph?
Forme en V-ing
can I not be heliographing? can you not be heliographing? can he not be heliographing? can we not be heliographing? can you not be heliographing? can they not be heliographing?
Perfect
can I not have heliographed? can you not have heliographed? can he not have heliographed? can we not have heliographed? can you not have heliographed? can they not have heliographed?
Perfect en V-ing
can I not have been heliographing? can you not have been heliographing? can he not have been heliographing? can we not have been heliographing? can you not have been heliographing? can they not have been heliographing?