I could blank you could blank she could blank we could blank you could blank they could blank
Forme en V-ing
I could be blanking you could be blanking she could be blanking we could be blanking you could be blanking they could be blanking
Perfect
I could have blanked you could have blanked she could have blanked we could have blanked you could have blanked they could have blanked
Perfect en V-ing
I could have been blanking you could have been blanking she could have been blanking we could have been blanking you could have been blanking they could have been blanking
Négation
Forme simple
I couldn't blank you couldn't blank she couldn't blank we couldn't blank you couldn't blank they couldn't blank
Forme en V-ing
I couldn't be blanking you couldn't be blanking she couldn't be blanking we couldn't be blanking you couldn't be blanking they couldn't be blanking
Perfect
I couldn't have blanked you couldn't have blanked she couldn't have blanked we couldn't have blanked you couldn't have blanked they couldn't have blanked
Perfect en V-ing
I couldn't have been blanking you couldn't have been blanking she couldn't have been blanking we couldn't have been blanking you couldn't have been blanking they couldn't have been blanking
Forme interrogative
Forme simple
could I blank? could you blank? could she blank? could we blank? could you blank? could they blank?
Forme en V-ing
could I be blanking? could you be blanking? could she be blanking? could we be blanking? could you be blanking? could they be blanking?
Perfect
could I have blanked? could you have blanked? could she have blanked? could we have blanked? could you have blanked? could they have blanked?
Perfect en V-ing
could I have been blanking? could you have been blanking? could she have been blanking? could we have been blanking? could you have been blanking? could they have been blanking?
Forme interro-négative
Forme simple
couldn't I blank? couldn't you blank? couldn't she blank? couldn't we blank? couldn't you blank? couldn't they blank?
Forme en V-ing
couldn't I be blanking? couldn't you be blanking? couldn't she be blanking? couldn't we be blanking? couldn't you be blanking? couldn't they be blanking?
Perfect
couldn't I have blanked? couldn't you have blanked? couldn't she have blanked? couldn't we have blanked? couldn't you have blanked? couldn't they have blanked?
Perfect en V-ing
couldn't I have been blanking? couldn't you have been blanking? couldn't she have been blanking? couldn't we have been blanking? couldn't you have been blanking? couldn't they have been blanking?