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