I can flatten you can flatten he can flatten we can flatten you can flatten they can flatten
Forme en V-ing
I can be flattening you can be flattening he can be flattening we can be flattening you can be flattening they can be flattening
Perfect
I can have flattened you can have flattened he can have flattened we can have flattened you can have flattened they can have flattened
Perfect en V-ing
I can have been flattening you can have been flattening he can have been flattening we can have been flattening you can have been flattening they can have been flattening
Négation
Forme simple
I can't flatten you can't flatten he can't flatten we can't flatten you can't flatten they can't flatten
Forme en V-ing
I can't be flattening you can't be flattening he can't be flattening we can't be flattening you can't be flattening they can't be flattening
Perfect
I can't have flattened you can't have flattened he can't have flattened we can't have flattened you can't have flattened they can't have flattened
Perfect en V-ing
I can't have been flattening you can't have been flattening he can't have been flattening we can't have been flattening you can't have been flattening they can't have been flattening
Forme interrogative
Forme simple
can I flatten? can you flatten? can he flatten? can we flatten? can you flatten? can they flatten?
Forme en V-ing
can I be flattening? can you be flattening? can he be flattening? can we be flattening? can you be flattening? can they be flattening?
Perfect
can I have flattened? can you have flattened? can he have flattened? can we have flattened? can you have flattened? can they have flattened?
Perfect en V-ing
can I have been flattening? can you have been flattening? can he have been flattening? can we have been flattening? can you have been flattening? can they have been flattening?
Forme interro-négative
Forme simple
can't I flatten? can't you flatten? can't he flatten? can't we flatten? can't you flatten? can't they flatten?
Forme en V-ing
can't I be flattening? can't you be flattening? can't he be flattening? can't we be flattening? can't you be flattening? can't they be flattening?
Perfect
can't I have flattened? can't you have flattened? can't he have flattened? can't we have flattened? can't you have flattened? can't they have flattened?
Perfect en V-ing
can't I have been flattening? can't you have been flattening? can't he have been flattening? can't we have been flattening? can't you have been flattening? can't they have been flattening?