I could underexercise you could underexercise he could underexercise we could underexercise you could underexercise they could underexercise
Forme en V-ing
I could be underexercising you could be underexercising he could be underexercising we could be underexercising you could be underexercising they could be underexercising
Perfect
I could have underexercised you could have underexercised he could have underexercised we could have underexercised you could have underexercised they could have underexercised
Perfect en V-ing
I could have been underexercising you could have been underexercising he could have been underexercising we could have been underexercising you could have been underexercising they could have been underexercising
Négation
Forme simple
I could not underexercise you could not underexercise he could not underexercise we could not underexercise you could not underexercise they could not underexercise
Forme en V-ing
I could not be underexercising you could not be underexercising he could not be underexercising we could not be underexercising you could not be underexercising they could not be underexercising
Perfect
I could not have underexercised you could not have underexercised he could not have underexercised we could not have underexercised you could not have underexercised they could not have underexercised
Perfect en V-ing
I could not have been underexercising you could not have been underexercising he could not have been underexercising we could not have been underexercising you could not have been underexercising they could not have been underexercising
Forme interrogative
Forme simple
could I underexercise? could you underexercise? could he underexercise? could we underexercise? could you underexercise? could they underexercise?
Forme en V-ing
could I be underexercising? could you be underexercising? could he be underexercising? could we be underexercising? could you be underexercising? could they be underexercising?
Perfect
could I have underexercised? could you have underexercised? could he have underexercised? could we have underexercised? could you have underexercised? could they have underexercised?
Perfect en V-ing
could I have been underexercising? could you have been underexercising? could he have been underexercising? could we have been underexercising? could you have been underexercising? could they have been underexercising?
Forme interro-négative
Forme simple
could I not underexercise? could you not underexercise? could he not underexercise? could we not underexercise? could you not underexercise? could they not underexercise?
Forme en V-ing
could I not be underexercising? could you not be underexercising? could he not be underexercising? could we not be underexercising? could you not be underexercising? could they not be underexercising?
Perfect
could I not have underexercised? could you not have underexercised? could he not have underexercised? could we not have underexercised? could you not have underexercised? could they not have underexercised?
Perfect en V-ing
could I not have been underexercising? could you not have been underexercising? could he not have been underexercising? could we not have been underexercising? could you not have been underexercising? could they not have been underexercising?