I could advise you could advise she could advise we could advise you could advise they could advise
Forme en V-ing
I could be advising you could be advising she could be advising we could be advising you could be advising they could be advising
Perfect
I could have advised you could have advised she could have advised we could have advised you could have advised they could have advised
Perfect en V-ing
I could have been advising you could have been advising she could have been advising we could have been advising you could have been advising they could have been advising
Négation
Forme simple
I could not advise you could not advise she could not advise we could not advise you could not advise they could not advise
Forme en V-ing
I could not be advising you could not be advising she could not be advising we could not be advising you could not be advising they could not be advising
Perfect
I could not have advised you could not have advised she could not have advised we could not have advised you could not have advised they could not have advised
Perfect en V-ing
I could not have been advising you could not have been advising she could not have been advising we could not have been advising you could not have been advising they could not have been advising
Forme interrogative
Forme simple
could I advise? could you advise? could she advise? could we advise? could you advise? could they advise?
Forme en V-ing
could I be advising? could you be advising? could she be advising? could we be advising? could you be advising? could they be advising?
Perfect
could I have advised? could you have advised? could she have advised? could we have advised? could you have advised? could they have advised?
Perfect en V-ing
could I have been advising? could you have been advising? could she have been advising? could we have been advising? could you have been advising? could they have been advising?
Forme interro-négative
Forme simple
could I not advise? could you not advise? could she not advise? could we not advise? could you not advise? could they not advise?
Forme en V-ing
could I not be advising? could you not be advising? could she not be advising? could we not be advising? could you not be advising? could they not be advising?
Perfect
could I not have advised? could you not have advised? could she not have advised? could we not have advised? could you not have advised? could they not have advised?
Perfect en V-ing
could I not have been advising? could you not have been advising? could she not have been advising? could we not have been advising? could you not have been advising? could they not have been advising?