I can harshen you can harshen he can harshen we can harshen you can harshen they can harshen
Forme en V-ing
I can be harshening you can be harshening he can be harshening we can be harshening you can be harshening they can be harshening
Perfect
I can have harshened you can have harshened he can have harshened we can have harshened you can have harshened they can have harshened
Perfect en V-ing
I can have been harshening you can have been harshening he can have been harshening we can have been harshening you can have been harshening they can have been harshening
Négation
Forme simple
I can't harshen you can't harshen he can't harshen we can't harshen you can't harshen they can't harshen
Forme en V-ing
I can't be harshening you can't be harshening he can't be harshening we can't be harshening you can't be harshening they can't be harshening
Perfect
I can't have harshened you can't have harshened he can't have harshened we can't have harshened you can't have harshened they can't have harshened
Perfect en V-ing
I can't have been harshening you can't have been harshening he can't have been harshening we can't have been harshening you can't have been harshening they can't have been harshening
Forme interrogative
Forme simple
can I harshen? can you harshen? can he harshen? can we harshen? can you harshen? can they harshen?
Forme en V-ing
can I be harshening? can you be harshening? can he be harshening? can we be harshening? can you be harshening? can they be harshening?
Perfect
can I have harshened? can you have harshened? can he have harshened? can we have harshened? can you have harshened? can they have harshened?
Perfect en V-ing
can I have been harshening? can you have been harshening? can he have been harshening? can we have been harshening? can you have been harshening? can they have been harshening?
Forme interro-négative
Forme simple
can't I harshen? can't you harshen? can't he harshen? can't we harshen? can't you harshen? can't they harshen?
Forme en V-ing
can't I be harshening? can't you be harshening? can't he be harshening? can't we be harshening? can't you be harshening? can't they be harshening?
Perfect
can't I have harshened? can't you have harshened? can't he have harshened? can't we have harshened? can't you have harshened? can't they have harshened?
Perfect en V-ing
can't I have been harshening? can't you have been harshening? can't he have been harshening? can't we have been harshening? can't you have been harshening? can't they have been harshening?