I could prescribe you could prescribe he could prescribe we could prescribe you could prescribe they could prescribe
Forme en V-ing
I could be prescribing you could be prescribing he could be prescribing we could be prescribing you could be prescribing they could be prescribing
Perfect
I could have prescribed you could have prescribed he could have prescribed we could have prescribed you could have prescribed they could have prescribed
Perfect en V-ing
I could have been prescribing you could have been prescribing he could have been prescribing we could have been prescribing you could have been prescribing they could have been prescribing
Négation
Forme simple
I could not prescribe you could not prescribe he could not prescribe we could not prescribe you could not prescribe they could not prescribe
Forme en V-ing
I could not be prescribing you could not be prescribing he could not be prescribing we could not be prescribing you could not be prescribing they could not be prescribing
Perfect
I could not have prescribed you could not have prescribed he could not have prescribed we could not have prescribed you could not have prescribed they could not have prescribed
Perfect en V-ing
I could not have been prescribing you could not have been prescribing he could not have been prescribing we could not have been prescribing you could not have been prescribing they could not have been prescribing
Forme interrogative
Forme simple
could I prescribe? could you prescribe? could he prescribe? could we prescribe? could you prescribe? could they prescribe?
Forme en V-ing
could I be prescribing? could you be prescribing? could he be prescribing? could we be prescribing? could you be prescribing? could they be prescribing?
Perfect
could I have prescribed? could you have prescribed? could he have prescribed? could we have prescribed? could you have prescribed? could they have prescribed?
Perfect en V-ing
could I have been prescribing? could you have been prescribing? could he have been prescribing? could we have been prescribing? could you have been prescribing? could they have been prescribing?
Forme interro-négative
Forme simple
could I not prescribe? could you not prescribe? could he not prescribe? could we not prescribe? could you not prescribe? could they not prescribe?
Forme en V-ing
could I not be prescribing? could you not be prescribing? could he not be prescribing? could we not be prescribing? could you not be prescribing? could they not be prescribing?
Perfect
could I not have prescribed? could you not have prescribed? could he not have prescribed? could we not have prescribed? could you not have prescribed? could they not have prescribed?
Perfect en V-ing
could I not have been prescribing? could you not have been prescribing? could he not have been prescribing? could we not have been prescribing? could you not have been prescribing? could they not have been prescribing?