I must heliograph you must heliograph she must heliograph we must heliograph you must heliograph they must heliograph
Forme en V-ing
I must be heliographing you must be heliographing she must be heliographing we must be heliographing you must be heliographing they must be heliographing
Perfect
I must have heliographed you must have heliographed she must have heliographed we must have heliographed you must have heliographed they must have heliographed
Perfect en V-ing
I must have been heliographing you must have been heliographing she must have been heliographing we must have been heliographing you must have been heliographing they must have been heliographing
Négation
Forme simple
I mustn't heliograph you mustn't heliograph she mustn't heliograph we mustn't heliograph you mustn't heliograph they mustn't heliograph
Forme en V-ing
I mustn't be heliographing you mustn't be heliographing she mustn't be heliographing we mustn't be heliographing you mustn't be heliographing they mustn't be heliographing
Perfect
I mustn't have heliographed you mustn't have heliographed she mustn't have heliographed we mustn't have heliographed you mustn't have heliographed they mustn't have heliographed
Perfect en V-ing
I mustn't have been heliographing you mustn't have been heliographing she mustn't have been heliographing we mustn't have been heliographing you mustn't have been heliographing they mustn't have been heliographing
Forme interrogative
Forme simple
must I heliograph? must you heliograph? must she heliograph? must we heliograph? must you heliograph? must they heliograph?
Forme en V-ing
must I be heliographing? must you be heliographing? must she be heliographing? must we be heliographing? must you be heliographing? must they be heliographing?
Perfect
must I have heliographed? must you have heliographed? must she have heliographed? must we have heliographed? must you have heliographed? must they have heliographed?
Perfect en V-ing
must I have been heliographing? must you have been heliographing? must she have been heliographing? must we have been heliographing? must you have been heliographing? must they have been heliographing?
Forme interro-négative
Forme simple
mustn't I heliograph? mustn't you heliograph? mustn't she heliograph? mustn't we heliograph? mustn't you heliograph? mustn't they heliograph?
Forme en V-ing
mustn't I be heliographing? mustn't you be heliographing? mustn't she be heliographing? mustn't we be heliographing? mustn't you be heliographing? mustn't they be heliographing?
Perfect
mustn't I have heliographed? mustn't you have heliographed? mustn't she have heliographed? mustn't we have heliographed? mustn't you have heliographed? mustn't they have heliographed?
Perfect en V-ing
mustn't I have been heliographing? mustn't you have been heliographing? mustn't she have been heliographing? mustn't we have been heliographing? mustn't you have been heliographing? mustn't they have been heliographing?