I can heighten you can heighten he can heighten we can heighten you can heighten they can heighten
Forme en V-ing
I can be heightening you can be heightening he can be heightening we can be heightening you can be heightening they can be heightening
Perfect
I can have heightened you can have heightened he can have heightened we can have heightened you can have heightened they can have heightened
Perfect en V-ing
I can have been heightening you can have been heightening he can have been heightening we can have been heightening you can have been heightening they can have been heightening
Négation
Forme simple
I cannot heighten you cannot heighten he cannot heighten we cannot heighten you cannot heighten they cannot heighten
Forme en V-ing
I cannot be heightening you cannot be heightening he cannot be heightening we cannot be heightening you cannot be heightening they cannot be heightening
Perfect
I cannot have heightened you cannot have heightened he cannot have heightened we cannot have heightened you cannot have heightened they cannot have heightened
Perfect en V-ing
I cannot have been heightening you cannot have been heightening he cannot have been heightening we cannot have been heightening you cannot have been heightening they cannot have been heightening
Forme interrogative
Forme simple
can I heighten? can you heighten? can he heighten? can we heighten? can you heighten? can they heighten?
Forme en V-ing
can I be heightening? can you be heightening? can he be heightening? can we be heightening? can you be heightening? can they be heightening?
Perfect
can I have heightened? can you have heightened? can he have heightened? can we have heightened? can you have heightened? can they have heightened?
Perfect en V-ing
can I have been heightening? can you have been heightening? can he have been heightening? can we have been heightening? can you have been heightening? can they have been heightening?
Forme interro-négative
Forme simple
can I not heighten? can you not heighten? can he not heighten? can we not heighten? can you not heighten? can they not heighten?
Forme en V-ing
can I not be heightening? can you not be heightening? can he not be heightening? can we not be heightening? can you not be heightening? can they not be heightening?
Perfect
can I not have heightened? can you not have heightened? can he not have heightened? can we not have heightened? can you not have heightened? can they not have heightened?
Perfect en V-ing
can I not have been heightening? can you not have been heightening? can he not have been heightening? can we not have been heightening? can you not have been heightening? can they not have been heightening?