I can discern you can discern she can discern we can discern you can discern they can discern
Forme en V-ing
I can be discerning you can be discerning she can be discerning we can be discerning you can be discerning they can be discerning
Perfect
I can have discerned you can have discerned she can have discerned we can have discerned you can have discerned they can have discerned
Perfect en V-ing
I can have been discerning you can have been discerning she can have been discerning we can have been discerning you can have been discerning they can have been discerning
Négation
Forme simple
I cannot discern you cannot discern she cannot discern we cannot discern you cannot discern they cannot discern
Forme en V-ing
I cannot be discerning you cannot be discerning she cannot be discerning we cannot be discerning you cannot be discerning they cannot be discerning
Perfect
I cannot have discerned you cannot have discerned she cannot have discerned we cannot have discerned you cannot have discerned they cannot have discerned
Perfect en V-ing
I cannot have been discerning you cannot have been discerning she cannot have been discerning we cannot have been discerning you cannot have been discerning they cannot have been discerning
Forme interrogative
Forme simple
can I discern? can you discern? can she discern? can we discern? can you discern? can they discern?
Forme en V-ing
can I be discerning? can you be discerning? can she be discerning? can we be discerning? can you be discerning? can they be discerning?
Perfect
can I have discerned? can you have discerned? can she have discerned? can we have discerned? can you have discerned? can they have discerned?
Perfect en V-ing
can I have been discerning? can you have been discerning? can she have been discerning? can we have been discerning? can you have been discerning? can they have been discerning?
Forme interro-négative
Forme simple
can I not discern? can you not discern? can she not discern? can we not discern? can you not discern? can they not discern?
Forme en V-ing
can I not be discerning? can you not be discerning? can she not be discerning? can we not be discerning? can you not be discerning? can they not be discerning?
Perfect
can I not have discerned? can you not have discerned? can she not have discerned? can we not have discerned? can you not have discerned? can they not have discerned?
Perfect en V-ing
can I not have been discerning? can you not have been discerning? can she not have been discerning? can we not have been discerning? can you not have been discerning? can they not have been discerning?