I could commit you could commit he could commit we could commit you could commit they could commit
Forme en V-ing
I could be committing you could be committing he could be committing we could be committing you could be committing they could be committing
Perfect
I could have committed you could have committed he could have committed we could have committed you could have committed they could have committed
Perfect en V-ing
I could have been committing you could have been committing he could have been committing we could have been committing you could have been committing they could have been committing
Négation
Forme simple
I could not commit you could not commit he could not commit we could not commit you could not commit they could not commit
Forme en V-ing
I could not be committing you could not be committing he could not be committing we could not be committing you could not be committing they could not be committing
Perfect
I could not have committed you could not have committed he could not have committed we could not have committed you could not have committed they could not have committed
Perfect en V-ing
I could not have been committing you could not have been committing he could not have been committing we could not have been committing you could not have been committing they could not have been committing
Forme interrogative
Forme simple
could I commit? could you commit? could he commit? could we commit? could you commit? could they commit?
Forme en V-ing
could I be committing? could you be committing? could he be committing? could we be committing? could you be committing? could they be committing?
Perfect
could I have committed? could you have committed? could he have committed? could we have committed? could you have committed? could they have committed?
Perfect en V-ing
could I have been committing? could you have been committing? could he have been committing? could we have been committing? could you have been committing? could they have been committing?
Forme interro-négative
Forme simple
could I not commit? could you not commit? could he not commit? could we not commit? could you not commit? could they not commit?
Forme en V-ing
could I not be committing? could you not be committing? could he not be committing? could we not be committing? could you not be committing? could they not be committing?
Perfect
could I not have committed? could you not have committed? could he not have committed? could we not have committed? could you not have committed? could they not have committed?
Perfect en V-ing
could I not have been committing? could you not have been committing? could he not have been committing? could we not have been committing? could you not have been committing? could they not have been committing?