I can devalue you can devalue she can devalue we can devalue you can devalue they can devalue
Forme en V-ing
I can be devaluing you can be devaluing she can be devaluing we can be devaluing you can be devaluing they can be devaluing
Perfect
I can have devalued you can have devalued she can have devalued we can have devalued you can have devalued they can have devalued
Perfect en V-ing
I can have been devaluing you can have been devaluing she can have been devaluing we can have been devaluing you can have been devaluing they can have been devaluing
Négation
Forme simple
I can't devalue you can't devalue she can't devalue we can't devalue you can't devalue they can't devalue
Forme en V-ing
I can't be devaluing you can't be devaluing she can't be devaluing we can't be devaluing you can't be devaluing they can't be devaluing
Perfect
I can't have devalued you can't have devalued she can't have devalued we can't have devalued you can't have devalued they can't have devalued
Perfect en V-ing
I can't have been devaluing you can't have been devaluing she can't have been devaluing we can't have been devaluing you can't have been devaluing they can't have been devaluing
Forme interrogative
Forme simple
can I devalue? can you devalue? can she devalue? can we devalue? can you devalue? can they devalue?
Forme en V-ing
can I be devaluing? can you be devaluing? can she be devaluing? can we be devaluing? can you be devaluing? can they be devaluing?
Perfect
can I have devalued? can you have devalued? can she have devalued? can we have devalued? can you have devalued? can they have devalued?
Perfect en V-ing
can I have been devaluing? can you have been devaluing? can she have been devaluing? can we have been devaluing? can you have been devaluing? can they have been devaluing?
Forme interro-négative
Forme simple
can't I devalue? can't you devalue? can't she devalue? can't we devalue? can't you devalue? can't they devalue?
Forme en V-ing
can't I be devaluing? can't you be devaluing? can't she be devaluing? can't we be devaluing? can't you be devaluing? can't they be devaluing?
Perfect
can't I have devalued? can't you have devalued? can't she have devalued? can't we have devalued? can't you have devalued? can't they have devalued?
Perfect en V-ing
can't I have been devaluing? can't you have been devaluing? can't she have been devaluing? can't we have been devaluing? can't you have been devaluing? can't they have been devaluing?