I could flower you could flower he could flower we could flower you could flower they could flower
Forme en V-ing
I could be flowering you could be flowering he could be flowering we could be flowering you could be flowering they could be flowering
Perfect
I could have flowered you could have flowered he could have flowered we could have flowered you could have flowered they could have flowered
Perfect en V-ing
I could have been flowering you could have been flowering he could have been flowering we could have been flowering you could have been flowering they could have been flowering
Négation
Forme simple
I could not flower you could not flower he could not flower we could not flower you could not flower they could not flower
Forme en V-ing
I could not be flowering you could not be flowering he could not be flowering we could not be flowering you could not be flowering they could not be flowering
Perfect
I could not have flowered you could not have flowered he could not have flowered we could not have flowered you could not have flowered they could not have flowered
Perfect en V-ing
I could not have been flowering you could not have been flowering he could not have been flowering we could not have been flowering you could not have been flowering they could not have been flowering
Forme interrogative
Forme simple
could I flower? could you flower? could he flower? could we flower? could you flower? could they flower?
Forme en V-ing
could I be flowering? could you be flowering? could he be flowering? could we be flowering? could you be flowering? could they be flowering?
Perfect
could I have flowered? could you have flowered? could he have flowered? could we have flowered? could you have flowered? could they have flowered?
Perfect en V-ing
could I have been flowering? could you have been flowering? could he have been flowering? could we have been flowering? could you have been flowering? could they have been flowering?
Forme interro-négative
Forme simple
could I not flower? could you not flower? could he not flower? could we not flower? could you not flower? could they not flower?
Forme en V-ing
could I not be flowering? could you not be flowering? could he not be flowering? could we not be flowering? could you not be flowering? could they not be flowering?
Perfect
could I not have flowered? could you not have flowered? could he not have flowered? could we not have flowered? could you not have flowered? could they not have flowered?
Perfect en V-ing
could I not have been flowering? could you not have been flowering? could he not have been flowering? could we not have been flowering? could you not have been flowering? could they not have been flowering?