I could brad you could brad he could brad we could brad you could brad they could brad
Forme en V-ing
I could be brading you could be brading he could be brading we could be brading you could be brading they could be brading
Perfect
I could have braded you could have braded he could have braded we could have braded you could have braded they could have braded
Perfect en V-ing
I could have been brading you could have been brading he could have been brading we could have been brading you could have been brading they could have been brading
Négation
Forme simple
I couldn't brad you couldn't brad he couldn't brad we couldn't brad you couldn't brad they couldn't brad
Forme en V-ing
I couldn't be brading you couldn't be brading he couldn't be brading we couldn't be brading you couldn't be brading they couldn't be brading
Perfect
I couldn't have braded you couldn't have braded he couldn't have braded we couldn't have braded you couldn't have braded they couldn't have braded
Perfect en V-ing
I couldn't have been brading you couldn't have been brading he couldn't have been brading we couldn't have been brading you couldn't have been brading they couldn't have been brading
Forme interrogative
Forme simple
could I brad? could you brad? could he brad? could we brad? could you brad? could they brad?
Forme en V-ing
could I be brading? could you be brading? could he be brading? could we be brading? could you be brading? could they be brading?
Perfect
could I have braded? could you have braded? could he have braded? could we have braded? could you have braded? could they have braded?
Perfect en V-ing
could I have been brading? could you have been brading? could he have been brading? could we have been brading? could you have been brading? could they have been brading?
Forme interro-négative
Forme simple
couldn't I brad? couldn't you brad? couldn't he brad? couldn't we brad? couldn't you brad? couldn't they brad?
Forme en V-ing
couldn't I be brading? couldn't you be brading? couldn't he be brading? couldn't we be brading? couldn't you be brading? couldn't they be brading?
Perfect
couldn't I have braded? couldn't you have braded? couldn't he have braded? couldn't we have braded? couldn't you have braded? couldn't they have braded?
Perfect en V-ing
couldn't I have been brading? couldn't you have been brading? couldn't he have been brading? couldn't we have been brading? couldn't you have been brading? couldn't they have been brading?