I could constringe you could constringe she could constringe we could constringe you could constringe they could constringe
Forme en V-ing
I could be constringing you could be constringing she could be constringing we could be constringing you could be constringing they could be constringing
Perfect
I could have constringed you could have constringed she could have constringed we could have constringed you could have constringed they could have constringed
Perfect en V-ing
I could have been constringing you could have been constringing she could have been constringing we could have been constringing you could have been constringing they could have been constringing
Négation
Forme simple
I could not constringe you could not constringe she could not constringe we could not constringe you could not constringe they could not constringe
Forme en V-ing
I could not be constringing you could not be constringing she could not be constringing we could not be constringing you could not be constringing they could not be constringing
Perfect
I could not have constringed you could not have constringed she could not have constringed we could not have constringed you could not have constringed they could not have constringed
Perfect en V-ing
I could not have been constringing you could not have been constringing she could not have been constringing we could not have been constringing you could not have been constringing they could not have been constringing
Forme interrogative
Forme simple
could I constringe? could you constringe? could she constringe? could we constringe? could you constringe? could they constringe?
Forme en V-ing
could I be constringing? could you be constringing? could she be constringing? could we be constringing? could you be constringing? could they be constringing?
Perfect
could I have constringed? could you have constringed? could she have constringed? could we have constringed? could you have constringed? could they have constringed?
Perfect en V-ing
could I have been constringing? could you have been constringing? could she have been constringing? could we have been constringing? could you have been constringing? could they have been constringing?
Forme interro-négative
Forme simple
could I not constringe? could you not constringe? could she not constringe? could we not constringe? could you not constringe? could they not constringe?
Forme en V-ing
could I not be constringing? could you not be constringing? could she not be constringing? could we not be constringing? could you not be constringing? could they not be constringing?
Perfect
could I not have constringed? could you not have constringed? could she not have constringed? could we not have constringed? could you not have constringed? could they not have constringed?
Perfect en V-ing
could I not have been constringing? could you not have been constringing? could she not have been constringing? could we not have been constringing? could you not have been constringing? could they not have been constringing?