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