I could appall you could appall he could appall we could appall you could appall they could appall
Forme en V-ing
I could be appalling you could be appalling he could be appalling we could be appalling you could be appalling they could be appalling
Perfect
I could have appalled you could have appalled he could have appalled we could have appalled you could have appalled they could have appalled
Perfect en V-ing
I could have been appalling you could have been appalling he could have been appalling we could have been appalling you could have been appalling they could have been appalling
Négation
Forme simple
I could not appall you could not appall he could not appall we could not appall you could not appall they could not appall
Forme en V-ing
I could not be appalling you could not be appalling he could not be appalling we could not be appalling you could not be appalling they could not be appalling
Perfect
I could not have appalled you could not have appalled he could not have appalled we could not have appalled you could not have appalled they could not have appalled
Perfect en V-ing
I could not have been appalling you could not have been appalling he could not have been appalling we could not have been appalling you could not have been appalling they could not have been appalling
Forme interrogative
Forme simple
could I appall? could you appall? could he appall? could we appall? could you appall? could they appall?
Forme en V-ing
could I be appalling? could you be appalling? could he be appalling? could we be appalling? could you be appalling? could they be appalling?
Perfect
could I have appalled? could you have appalled? could he have appalled? could we have appalled? could you have appalled? could they have appalled?
Perfect en V-ing
could I have been appalling? could you have been appalling? could he have been appalling? could we have been appalling? could you have been appalling? could they have been appalling?
Forme interro-négative
Forme simple
could I not appall? could you not appall? could he not appall? could we not appall? could you not appall? could they not appall?
Forme en V-ing
could I not be appalling? could you not be appalling? could he not be appalling? could we not be appalling? could you not be appalling? could they not be appalling?
Perfect
could I not have appalled? could you not have appalled? could he not have appalled? could we not have appalled? could you not have appalled? could they not have appalled?
Perfect en V-ing
could I not have been appalling? could you not have been appalling? could he not have been appalling? could we not have been appalling? could you not have been appalling? could they not have been appalling?