I could fray you could fray she could fray we could fray you could fray they could fray
Forme en V-ing
I could be fraying you could be fraying she could be fraying we could be fraying you could be fraying they could be fraying
Perfect
I could have frayed you could have frayed she could have frayed we could have frayed you could have frayed they could have frayed
Perfect en V-ing
I could have been fraying you could have been fraying she could have been fraying we could have been fraying you could have been fraying they could have been fraying
Négation
Forme simple
I could not fray you could not fray she could not fray we could not fray you could not fray they could not fray
Forme en V-ing
I could not be fraying you could not be fraying she could not be fraying we could not be fraying you could not be fraying they could not be fraying
Perfect
I could not have frayed you could not have frayed she could not have frayed we could not have frayed you could not have frayed they could not have frayed
Perfect en V-ing
I could not have been fraying you could not have been fraying she could not have been fraying we could not have been fraying you could not have been fraying they could not have been fraying
Forme interrogative
Forme simple
could I fray? could you fray? could she fray? could we fray? could you fray? could they fray?
Forme en V-ing
could I be fraying? could you be fraying? could she be fraying? could we be fraying? could you be fraying? could they be fraying?
Perfect
could I have frayed? could you have frayed? could she have frayed? could we have frayed? could you have frayed? could they have frayed?
Perfect en V-ing
could I have been fraying? could you have been fraying? could she have been fraying? could we have been fraying? could you have been fraying? could they have been fraying?
Forme interro-négative
Forme simple
could I not fray? could you not fray? could she not fray? could we not fray? could you not fray? could they not fray?
Forme en V-ing
could I not be fraying? could you not be fraying? could she not be fraying? could we not be fraying? could you not be fraying? could they not be fraying?
Perfect
could I not have frayed? could you not have frayed? could she not have frayed? could we not have frayed? could you not have frayed? could they not have frayed?
Perfect en V-ing
could I not have been fraying? could you not have been fraying? could she not have been fraying? could we not have been fraying? could you not have been fraying? could they not have been fraying?