I could fringe you could fringe she could fringe we could fringe you could fringe they could fringe
Forme en V-ing
I could be fringing you could be fringing she could be fringing we could be fringing you could be fringing they could be fringing
Perfect
I could have fringed you could have fringed she could have fringed we could have fringed you could have fringed they could have fringed
Perfect en V-ing
I could have been fringing you could have been fringing she could have been fringing we could have been fringing you could have been fringing they could have been fringing
Négation
Forme simple
I could not fringe you could not fringe she could not fringe we could not fringe you could not fringe they could not fringe
Forme en V-ing
I could not be fringing you could not be fringing she could not be fringing we could not be fringing you could not be fringing they could not be fringing
Perfect
I could not have fringed you could not have fringed she could not have fringed we could not have fringed you could not have fringed they could not have fringed
Perfect en V-ing
I could not have been fringing you could not have been fringing she could not have been fringing we could not have been fringing you could not have been fringing they could not have been fringing
Forme interrogative
Forme simple
could I fringe? could you fringe? could she fringe? could we fringe? could you fringe? could they fringe?
Forme en V-ing
could I be fringing? could you be fringing? could she be fringing? could we be fringing? could you be fringing? could they be fringing?
Perfect
could I have fringed? could you have fringed? could she have fringed? could we have fringed? could you have fringed? could they have fringed?
Perfect en V-ing
could I have been fringing? could you have been fringing? could she have been fringing? could we have been fringing? could you have been fringing? could they have been fringing?
Forme interro-négative
Forme simple
could I not fringe? could you not fringe? could she not fringe? could we not fringe? could you not fringe? could they not fringe?
Forme en V-ing
could I not be fringing? could you not be fringing? could she not be fringing? could we not be fringing? could you not be fringing? could they not be fringing?
Perfect
could I not have fringed? could you not have fringed? could she not have fringed? could we not have fringed? could you not have fringed? could they not have fringed?
Perfect en V-ing
could I not have been fringing? could you not have been fringing? could she not have been fringing? could we not have been fringing? could you not have been fringing? could they not have been fringing?