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