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